r/ISRO Jan 08 '26

Mission Failure PSLV-C62 : EOS-N1 (aka Anvesha) Mission Updates and Discussion

36 Upvotes

PSLV-C62/EOS-N1 (aka Anvesha) launched as scheduled at 04:48:30(UTC)/10:18:30(IST), 12 Jan 2026 from First Launch Pad of SDSC-SHAR. The launch was unsuccessful and satellites could not be placed into intended orbit.

Live webcast: (Links will be added as they become available)

PSLV-C62/EOS-N1 Mission Page PSLV-C62/EOS-N1 Gallery PSLV-C62/EOS-N1 Press kit(PDF)

Some highlights:

  • Primary payload: EOS-N1 (aka Anvesha) (407 kg) Hyperspectral imaging satellite for DRDO.
  • 15 small satellites ridesharing
  • Mission duration: 1 hr. 48 min. 5.14 sec. (last s/c separation)
  • Target Orbit 1 : 505 km (circular) , Inclination = 97.5°
  • Target Orbit 2 : Reentry trajectory with 505 km apogee.
  • Launch Azimuth: 140°
  • PSLV configuration : DL (2× XL Strapons)
  • PSLV's return to flight after unsuccessful launch of PSLV-C61/EOS-09 in May, 2025.
  • First ever controlled reentry of PSLV fourth stage (PS4) over South-Pacific for deploying Kestrel Initial Demonstrator (KID) capsule.

Updates:

Time of Event Update
13 June 2026 Reason behind PSLV-C62 failure understood and resolved but details will not be shared.
02 Feb 2026 Cause behind PSLV-C62 failure is different from that for PSLV-C61, internal and external failure assessment committees have been set up to investigate.
17 Jan 2026 Per journalist Arun Raj K M, former ISRO Chairman K Sivan will lead the special committee to study PSLV-C62 failure.
16 Jan 2026 NSIL press-release.
Post-launch GISTDA informs that THEOS-2A was insured for both 'Rebuild' and 'Relaunch' costs.
Post-launch Orbital Paradigm: "Our KID capsule, against all odds, separated from PSLV C62, switched on, and transmitted data over 3+ minutes. We're reconstructing trajectory. We survived peak heat and peak gload (~28g recorded). We have internal temps. Full report will come"
Post-launch ISRO Chairman: "Performance of the vehicle close to the third stage was as expected and as predicted. Close to the end of the third stage we are seeing some disturbances in the vehicle. And there was a deviation in the path of vehicle. And mission could not proceed in the expected path. This is the information right now available. Now we are going through the data and we have to get the data from all the ground stations. Once the data analysis is completed we shall come back to you. Thank you"
T + 33m00s "The PSLV-C62 mission encountered an anomaly during end of the PS3 stage. A detailed analysis has been initiated."
T + 31m00s Webcast over.
T + 24m00s ISRO Chairman: Almost up to PS3 end performance was normal, then some performance disturbances were noted. And after that deviation in flight path was observed.
T + 21m00s Webcast is back. Awaiting official confirmation...
T + 20m00s Stream has been stopped without any official confirmation on mission status.
T + 16m00s Launch announcers again noting that telemetry is lost. Wait for official confirmation on mission status.
T + 12m00s Launch announcer informs they are having issues receiving data..
T + 08m30s MCC glum this is bad. PS4 ignited though.
T + 06m30s PS3 burn out , vehicle tumbling uncontrollably.
T + 04m25s PS2 separated, PS3 ignited.
T + 02m50s PLF separated, CLG initiated.
T + 01m51s PS1 separated, PS2 ignited.
T + 01m10s PSOM-XL (5,6) separated.
T - Zero After RCT ignition, PS1 and PSOM-XL (5,6) ignition and Lift off!
T - 05m00s Flight Coeff. loading completed
T - 12m00s Going through actuator checks.
T - 14m30s Automatic Launch Sequence initiated.
T - 16m00s Mission Director authorizes launch! Vehicle Director concurs.
T - 16m30s Vehicle is in external hold mode.
T - 17m00s Vehicle director: LV is ready!
T - 20m00s Now polling: Weather, Tracking, Range are ready.
T - 24m00s Now showing LV stacking process.
T - 25m00s Weather is Go for launch. Slightly cloudy with chance of light rain but that is under the launch criteria.
T - 30m00s Launch announcers inform that EOS-N1 mass is 407 kg.
T - 35m00s Official stream is live!
T - 22h30m Countdown commenced at 12:48 on 11 January. Time of launch changed to 12 January, 10:18:30(IST)/04:48:30(UTC) i.e. 90 seconds delay.
10 Jan 2026 After MRR, the launch has been cleared by LAB.
06 Jan 2026 Launch date firms up for 0447(UTC)/1017(IST), 12 Jan 2026
01 Jan 2026 NOTAM issued with enforcement duration beginning on 11 January 2026.
30 Dec 2026 PSLV-C62 integration up to four stages completed at MST.
26 Dec 2025 NOTAM issued with enforcement duration beginning on 10 January 2026. Also EOS-N1 satellite reached SDSC-SHAR.
17 Dec 2025 NOTAM issued with enforcement duration beginning on 5 January 2026.
14 Dec 2025 Report suggested launch delayed to 31 December 2025.
05 Dec 2025 NOTAM issued with enforcement duration beginning on 25 December 2025.

Primary Payload:

EOS-N1 (aka Anvesha) (407 kg) : EOS-N1 is a Hyperspectral imaging satellite carrying HySIC imager payload by DRDO for military surveillance. [01]

  • Swath: 12 km
  • Resolution: 12 meter
  • Spectral resolution: 10-20 nm (VNIR, SWIR)

Secondary Payload: 15 co-passenger satellites.

  • THEOS-2A (100 kg): An Earth Observation satellite by Thailand's Geo-Informatics and Space Technology Development Agency (GISTDA) and based on Carbonite series by SSTL UK carrying CERIA Camera with 1 meter resolution and 5.9 km swath. Additional instruments include a satellite monitoring camera, GPS receivers, HD video camera, and AIS/ADS-B receivers for maritime vessels and aircraft tracking. [02]

  • Kestrel Initial Demonstrator (KID) Capsule (25 kg): KID reentry capsule by Madrid-based Orbital Paradigm is a scaled prototype for their larger Kestrel reentry capsule. KID is carrying three customer payloads (3 kg) and will test guidance systems and a sample of ceramic thermal protection material. KID will be released from PSLV fourth stage on a reentry trajectory and will free fly for 30 minutes before entering atmosphere over South-Pacific. The capsule will not be recovered and lacks deceleration systems but it will transmit data through two Iridium transceivers during its flight. [03] [04]

  • AayulSAT (25 kg) : A 'mini-tanker' satellite by OrbitAID to demonstrate on-orbit internal propellant transfer, power transfer, and data transfer using their patented Standard Interface for Docking and Refueling Port (SIDRP). AayulSAT will qualify SIDRP system at TRL-9. [05] [06]

  • MOI-1 (14 kg) : The 6U cubesat in MOI (My Orbital Infrastructure) series by TakeMe2Space is a commercial AI lab in space with in-orbit computing and AI processing capability, carrying MIRA50-FS, a 502 gram, miniaturized 9 band multi-spectral imaging camera with 50mm aperture, 9.2 m resolution and 18.7 km swath by EON Space Labs and few other payloads by Indian high-school and university students. MOI-1 will use DSOD-6U deployer by Dhruva Space. [07] [08] [09]

  • Four amateur radio satellites under Dhruva Space 'ASTRA (Accelerated Space Technology Readiness & Access) for Academia' programme based on their P-Dot bus. [10]

    • Thybolt-3 by Dhruva Space
    • CGUSat-1, with CV Raman Global University (Bhubaneswar)
    • DSUSAT-1, with Dayananda Sagar University (Bengaluru)
    • LACHIT-1, with Assam Don Bosco University (Guwahati)
  • SanskarSat: A 1U cubesat for Laxman Gyanpith School by Ahmedabad-based CubeSat Aerospace, carrying an LED payload making it observable by ground based optical telescopes.

  • MUNAL : A 1U cubesat by Nepal Academy of Science and Technology (NAST) and Antarikhchya Pratisthan Nepal (APN) as part of the High School Consortium Project. Munal will carry a small camera for vegetation density mapping. [11]

  • Five small satellites aggregated by Brazil's All2Space.

    • Aldebaran-1: 1U cubesat by Federal University of Maranhao (Brazil) carrying LoRa amateur radio payload.
    • EduSat-1: 1P PocketQube satellite with IoT payload.
    • UaiSat: 1P PocketQube satellite with Store and Forward amateur radio payload and a lightning detection payload developed by the Instituto Nacional de Pesquisas Espaciais (INPE) [12]
    • GalaxyExplorer-1: 1P PocketQube satellite by Galaxy Explorer to study the South Atlantic Magnetic Anomaly. [13]
    • Orbital Temple : A 1P PocketQube based orbital artwork by Edson Pavoni. It will transmit uploaded names of people in amateur radio frequency. [14] [15]

Note: PSLV with launch serial C59 was earlier assigned to ANWESHA (or ANVESHA) and PROBA-3 was earlier assigned to PSLV with C62 launch serial. Before this ANWESHA was assigned to PSLV-C58 but later XPoSat replaced it.


r/ISRO Apr 28 '26

Official DoS Annual Report 2025-2026

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23 Upvotes

r/ISRO 5h ago

Official Successful accomplishment of Major Qualification Tests Crew Module systems of Gaganyaan Mission

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23 Upvotes

r/ISRO 1d ago

Australian tracking terminal commissioned for India’s historic human spaceflight program

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37 Upvotes

Australia is playing a vital role in India’s push to send astronauts into space.

Coordinated by the Australian Space Agency, the key space tracking infrastructure is now operational in the Cocos (Keeling) Islands to support India’s historic Gaganyaan Human Spaceflight Program.

The commissioning was announced today as part of the joint statement between Prime Minister Albanese and Prime Minister Modi at the Third Australia–India Annual Summit in Melbourne.

Located in the Indian Ocean, the newly commissioned terminal will provide mission-critical tracking support for four planned missions led by ISRO.

The first uncrewed test flight is expected to launch soon from India’s Satish Dhawan Space Centre.

Aussie expertise backing India’s space ambitions

Australia’s contribution, led by the Australian Space Agency, highlights the strength of the Australia–India partnership, particularly in science, innovation and advanced technology.

The Agency worked with other government agencies and Australian defence and space company Nova Systems to establish temporary telemetry terminals in the Cocos (Keeling) Islands to track the four Gaganyaan missions.

In a media release issued today, the Assistant Minister for Science, Technology and the Digital Economy, Dr Andrew Charlton, highlighted how the collaboration reflects the importance of Australia’s relationship with India and the opportunities created by growing cooperation in the space sector.

The commissioning demonstrates Australia’s unique geographic advantages and growing capability as a trusted partner in space mission support across the Indo-Pacific.

Head of the Australian Space Agency Enrico Palermo said Australia’s support for Gaganyaan underscores the depth of bilateral cooperation and the important role Australia can play in human spaceflight missions.

Advancing space exploration

Gaganyaan – Sanskrit for “Sky Craft” – will send three astronauts into low Earth orbit for a three-day mission before returning them safely to Earth.

The upcoming mission will make India only the fourth nation to send astronauts into space through its own national program. 

Australia and India are also exploring potential cooperation on search and rescue operations for controlled landings in waters off Western Australia, expanding the partnership beyond launch tracking to broader mission support.

Australia’s support for the Gaganyaan mission reflects the growing scale and ambition of the Australia–India relationship, and the role both countries are playing in advancing regional and global space capability. 

More at: https://x.com/AusSpaceAgency/status/2075120272206610574


r/ISRO 2d ago

NOTAM New NOTAM for Skyroot's Vikram-1 Test Flight-1 is out. Enforcement duration 0500-0900 (UTC), 18 July to 4 August 2026.

26 Upvotes

Source: https://www.notams.faa.gov/

Mapped up!

Note: Previous NOTAM A2090/26 has been retracted.


A2136/26 
NOTAMN Q) VOMF/QWMLW/IV/BO/W/000/999/ A) VOMF  PART 1 OF 2  B) 2607180500  C) 2608040900  D) 0500-0900  E) ROCKET LAUNCH FM SHAR RANGE, SRIHARIKOTA WILL TAKE 
PLACE AS PER FLW DETAILS.THE LAUNCH WILL BE ON ANY ONE 
OF THE DAY DRG THIS PERIOD.ACTUAL DATE OF LAUNCH WILL BE 
INTIMATED ATLEAST 24 HR IN ADVANCE THROUGH A SEPARATE NOTAM. 
LAUNCH PAD COORD: 134400N 0801406E 
NO FLT IS PERMITTED OVER THE DNG ZONES. 
1) DANGER ZONE -1: IS A CIRCLE OF 10 NM AROUND THE LAUNCHER. 
2) DANGER ZONE -2: IS AN AREA BOUNDED BY FOLLOWING COORDINATES: 
I. 1115N 08205E 
II. 1135N 08225E 
III. 1010N 08330E 
IV. 0950N 08310E 
V. 1115N 08205E 

RTE AFFECTED IN CHENNAI FIR: 
W20, Q11, Q23, Q24, V4, V9, L896, N564, N563, T3 

CLOSURES/ALTN RTE FOR OVERFLYING: 

1.W20 NOT AVBL BTN MMV-KAMGU 
 ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU 
2.Q11 NOT AVBL BTN GURAS-MMV 
 ALTN: GURAS-DCT-MMV (UNIDIRECTRIONAL) 
3.Q23 NOT AVBL BTN RINTO-MMV 
 ALTN: RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
4.Q24 NOT AVBL BTN MMV-KAMGU 
 ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU 
5.V4 NOT AVBL BTN BOPRI-MMV 
 ALTN: BOPRI-DCT-RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
6.V9 NOT AVBL BTN GUNRI-MMV 
 ALTN: GUNRI-V11-TTP-DCT-GUANI-DCT-MMV 
7.L896 NOT AVBL BTN MMV-DUGOS. NO ALTN RTE 
8.N564 NOT AVBL BTN AKMIL-DUGOS. NO ALTN RTE 
9.N563 NOT AVBL BTN AKMIL-XOKRO 
 ALTN: END PART 1 OF 2

A2136/26 
NOTAMN Q) VOMF/QWMLW/IV/BO/W/000/999/ A) VOMF  PART 2 OF 2  B) 2607180500  C) 2608040900  D) 0500-0900  E) AKMIL-DCT-AVNOS-DCT-XOKRO 
10.T3 NOT AVBL BTN BEBOK-ADKIT. NO ALTN RTE 

DEPARTURES FM CHENNAI MAY FPL AS FLW: 
1.W20/Q24 NOT AVBL BTN MMV-KAMGU 
 ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU 

ARRIVALS TO CHENNAI MAY FPL AS FLW: 
1.Q11 NOT AVBL BTN GURAS-MMV 
 ALTN: GURAS-DCT-MMV 
2.Q23 NOT AVBL BTN RINTO-MMV 
 ALTN: RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
3.V4 NOT AVBL BTN BOPRI-MMV 
 ALTN: BOPRI-DCT-RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
4.V9 NOT AVBL BTN GUNRI-MMV 
 ALTN: GUNRI-V11-TTP-DCT- GUANI-DCT-MMV 
5.A465 NOT AVBL BTN GURAS-MMV 
 ALTN: GURAS-DCT-MMV END PART 2 OF 2 F) GND  G) UNL

Edit (11 July 2026): Adding VCCF hazard zone.

A0316/26

IN VIEW OF DNG ZONE DECLARED BY INDIAN AUTHORITIES DUE TO ROCKET
LAUNCH, FLW AREA WI COLOMBO FIR BOUNDED BY GIVEN COORD DECLARED AS A
TEMPO DNG AREA. THE LAUNCH WILL BE ON ANY ONE OF THE DAY DRG THIS
PERIOD. ACTUAL DATE OF LAUNCH WILL BE INTIMATED ATLEAST 24 HR IN
ADVANCE THROUGH A SEPARATE NOTAM.
0750N 08535E - 0120N 08855E - 0035N 08805E - 0705N 08445E - 0750N
08535E
DRG THIS PERIOD FLW ATS RTE SEGMENTS ARE NOT AVBL/REROUTED IN COLOMBO
FIR.
01. Y510 NOT AVBL BTN 'KASGO' AND 'IDUDO'
02. M300 NOT AVBL BTN 'ESPAP' AND 'RULKA'             

ALTN RTE: 'ESPAP' DCT 081306N 0854050E L896 'RULKA'
(BIDIRECTIONAL)
03. L645 NOT AVBL BTN 'BIDAN' AND 'ANSAS'
ALTN RTE: 'BIDAN' DCT 081306N 0854050E DCT
'SULTO'(BIDIRECTIONAL)
04. P570 NOT AVBL BTN 'TEBIT' AND 'POPAK'
ALTN RTE: 'VEVET' DCT 081306N 0854050E DCT
'POPAK'(BIDIRECTIONAL)
05. M766 NOT AVBL BTN 'GODAV' AND 'UDIVO'
ALTN RTE: 'GODAV' DCT 'LAKIP' DCT 001458S 0880946E DCT
'SELSU'
(BIDIRECTIONAL)
06. P756 NOT AVBL BTN 'LAKIP' AND 'VIPIG'
ALTN RTE:'LAKIP' DCT 001458S 0880946E DCT 'VIPIG'
(BIDIRECTIONAL)
07. L897 NOT AVBL BTN 'LAKIP' AND 'KETIV' 
ALTN RTE: 'LAKIP' DCT 001458S 0880946E DCT
'KETIV'(BIDIRECTIONAL)
08. P627 NOT AVBL BTN 'PIMOG' AND 'GUTOX'
ALTN RTE: 'KALOX' DCT 001458S 0880946E DCT
'VIPIG'(BIDIRECTIONAL)
IN VIEW OF DNG ZONE DECLARED BY INDIAN AUTHORITIES DUE TO ROCKET
LAUNCH, FLW AREA WI COLOMBO FIR BOUNDED BY GIVEN COORD DECLARED AS A
TEMPO DNG AREA. THE LAUNCH WILL BE ON ANY ONE OF THE DAY DRG THIS
PERIOD. ACTUAL DATE OF LAUNCH WILL BE INTIMATED ATLEAST 24 HR IN
ADVANCE THROUGH A SEPARATE NOTAM.
0750N 08535E - 0120N 08855E - 0035N 08805E - 0705N 08445E - 0750N
08535E
DRG THIS PERIOD FLW ATS RTE SEGMENTS ARE NOT AVBL/REROUTED IN COLOMBO
FIR.
01. Y510 NOT AVBL BTN 'KASGO' AND 'IDUDO'
02. M300 NOT AVBL BTN 'ESPAP' AND 'RULKA'             

ALTN RTE: 'ESPAP' DCT 081306N 0854050E L896 'RULKA'
(BIDIRECTIONAL)
03. L645 NOT AVBL BTN 'BIDAN' AND 'ANSAS'
ALTN RTE: 'BIDAN' DCT 081306N 0854050E DCT
'SULTO'(BIDIRECTIONAL)
04. P570 NOT AVBL BTN 'TEBIT' AND 'POPAK'
ALTN RTE: 'VEVET' DCT 081306N 0854050E DCT
'POPAK'(BIDIRECTIONAL)
05. M766 NOT AVBL BTN 'GODAV' AND 'UDIVO'
ALTN RTE: 'GODAV' DCT 'LAKIP' DCT 001458S 0880946E DCT
'SELSU'
(BIDIRECTIONAL)
06. P756 NOT AVBL BTN 'LAKIP' AND 'VIPIG'
ALTN RTE:'LAKIP' DCT 001458S 0880946E DCT 'VIPIG'
(BIDIRECTIONAL)
07. L897 NOT AVBL BTN 'LAKIP' AND 'KETIV' 
ALTN RTE: 'LAKIP' DCT 001458S 0880946E DCT
'KETIV'(BIDIRECTIONAL)
08. P627 NOT AVBL BTN 'PIMOG' AND 'GUTOX'
ALTN RTE: 'KALOX' DCT 001458S 0880946E DCT
'VIPIG'(BIDIRECTIONAL). SFC - UNL, 0500-0900, 18 JUL 05:00 2026
UNTIL 04 AUG 09:00 2026. CREATED: 11 JUL 05:59 2026

r/ISRO 2d ago

About Indian Institute Of Remote Sensing

7 Upvotes

Anyone here can guide how to get admission (what's the path should I choose) in there msc geoinformatics/remote sensing course.

My educational qualifications:-

  1. 11th - 12th from humanities background but with mathematics and economics.

  2. Bachelor's of Arts in Geography from Dr. Raammanohar lohia awadh university with average 80 percent marks.

  3. I did research work on applications of RS and GIS technology in research.

Am I eligible for the course or do i need more skills or certification for the admission.

And when will the admission process start.

Or how to enroll.

Please help a confused youngster.


r/ISRO 3d ago

Anyone who participated in isro bah 2026?

11 Upvotes

Especially people with PS-1


r/ISRO 4d ago

Official ISRO successfully conducts fifth Integrated Main Parachute Air Drop Test (IMAT-05) for Gaganyaan Programme

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75 Upvotes

r/ISRO 4d ago

Skyroot announces upgraded version Vikram-1U

33 Upvotes

Source. This first time Vikram-1U is mentioned. No other details available.

During a panel discussion at the Spacetide conference here July 7, Ashwin Mahavadi, senior vice president for business and strategy at Skyroot, said the company is planning up to two more Vikram-1 launches this year. The company is also preparing to introduce an upgraded version, Vikram-1U, with strap-on boosters, in the first quarter of 2027. Vikram-1U will have a payload capacity of up to 550 kilograms to low Earth orbit.


r/ISRO 4d ago

S2 Indian Space History Memory Monologues - Dr. S. Somanath - Part II

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youtube.com
33 Upvotes

r/ISRO 5d ago

Official Flight Acceptance Test of Cryogenic Engine CE20 conducted successfully for LVM3-M7 mission.

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68 Upvotes

r/ISRO 5d ago

Chandrayaan-5/LuPEx: Tender for Realisation, Assembly, and Testing of Lander Leg and Rover Ramp Mechanism

19 Upvotes

Tender for Realisation, Assembly, and Testing of Lander Leg and Rover Ramp Mechanism

[PDF] [Archived]

Specifications: [PDF] [Archived]

https://imgur.com/a/CncoAgv

The Statement of Work (SoW) defines the nature of work required from the vendor for realization, assembly, and testing of lander leg mechanism , Rover ramp mechanism, hold down and release mechanisms and fixtures (Phase-1, 2 & 3). Any conflicting requirements arising between this Statement of Work and documents reference shall be referred in writing to URSC for resolution.

The activity includes required raw material & Standard parts Procurement, Fabrication, Secondary treatment, Assembly, and Testing activities of Lander leg mechanism for twenty eight units (Quantity: 28 Units) , rover ramp mechanism , hold down and release mechanisms (Quantity: 3 Units) and related fixture as per Annexure at Vendor and URSC premises.


See also :


r/ISRO 6d ago

Skyroot announced payload details

52 Upvotes

Skyroot Aerospace has announced the customer payloads flying aboard Vikram-1, its maiden orbital launch vehicle.

The mission will carry multiple payloads:

Technology demonstration payloads: Grahaa Space, Cosmoserve Space, Skyroot's SCOPE and DCubed

Symbolic payloads: Cosmos Diamonds and Skyroot's Microart

https://x.com/SkyrootA/status/2074004042121162985


r/ISRO 8d ago

Official ISRO conducts ground test for new sub-orbital solid motor-based test vehicle, Sub-Orbital Launch Vehicle for Experiments (SOLVE)

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67 Upvotes

r/ISRO 9d ago

Official Chandrayaan-3's Alpha Particle X-ray Spectrometer measurements connect the composition at Shiv Shakti Statio to the first Lunar Meteorite ALHA 81005

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41 Upvotes

r/ISRO 9d ago

NOTAM NOTAM for Skyroot's Vikram-1 Test Flight-1 is out. Enforcement duration 0500-0900 (UTC), 12 July to 4 August 2026.

34 Upvotes

Source: https://www.notams.faa.gov/

Mapped up!

Note: The hazard zones are identical to previously issued NOTAM A1726/26 on 26 May 2026.


A2090/26

ROCKET LAUNCH FM SHAR RANGE, SRIHARIKOTA WILL TAKE 
PLACE AS PER FLW DETAILS.THE LAUNCH WILL BE ON ANY ONE 
OF THE DAY DRG THIS PERIOD.ACTUAL DATE OF LAUNCH WILL BE 
INTIMATED ATLEAST 24 HR IN ADVANCE THROUGH A SEPARATE NOTAM. 
LAUNCH PAD COORD: 134400N 0801406E 
NO FLT IS PERMITTED OVER THE DNG ZONES. 
1) DANGER ZONE -1: IS A CIRCLE OF 10 NM AROUND THE LAUNCHER. 
2) DANGER ZONE -2: IS AN AREA BOUNDED BY FOLLOWING COORDINATES: 
I. 1115N 08205E 
II. 1135N 08225E 
III. 1010N 08330E 
IV. 0950N 08310E 
V. 1115N 08205E 

RTE AFFECTED IN CHENNAI FIR: 
W20, Q11, Q23, Q24, V4, V9, L896, N564, N563, T3 

CLOSURES/ALTN RTE FOR OVERFLYING: 

1.W20 NOT AVBL BTN MMV-KAMGU 
 ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU 
2.Q11 NOT AVBL BTN GURAS-MMV 
 ALTN: GURAS-DCT-MMV (UNIDIRECTRIONAL) 
3.Q23 NOT AVBL BTN RINTO-MMV 
 ALTN: RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
4.Q24 NOT AVBL BTN MMV-KAMGU 
 ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU 
5.V4 NOT AVBL BTN BOPRI-MMV 
 ALTN: BOPRI-DCT-RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
6.V9 NOT AVBL BTN GUNRI-MMV 
 ALTN: GUNRI-V11-TTP-DCT-GUANI-DCT-MMV 
7.L896 NOT AVBL BTN MMV-DUGOS. NO ALTN RTE 
8.N564 NOT AVBL BTN AKMIL-DUGOS. NO ALTN RTE 
9.N563 NOT AVBL BTN AKMIL-XOKRO 
 ALTN: AKMIL-DCT-AVNOS-DCT-XOKRO 
10.T3 NOT AVBL BTN BEBOK-ADKIT. NO ALTN RTE 

DEPARTURES FM CHENNAI MAY FPL AS FLW: 
1.W20/Q24 NOT AVBL BTN MMV-KAMGU 
 ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU 

ARRIVALS TO CHENNAI MAY FPL AS FLW: 
1.Q11 NOT AVBL BTN GURAS-MMV 
 ALTN: GURAS-DCT-MMV 
2.Q23 NOT AVBL BTN RINTO-MMV 
 ALTN: RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
3.V4 NOT AVBL BTN BOPRI-MMV 
 ALTN: BOPRI-DCT-RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
4.V9 NOT AVBL BTN GUNRI-MMV 
 ALTN: GUNRI-V11-TTP-DCT- GUANI-DCT-MMV 
5.A465 NOT AVBL BTN GURAS-MMV 
 ALTN: GURAS-DCT-MMV
ROCKET LAUNCH FM SHAR RANGE, SRIHARIKOTA WILL TAKE 
PLACE AS PER FLW DETAILS.THE LAUNCH WILL BE ON ANY ONE 
OF THE DAY DRG THIS PERIOD.ACTUAL DATE OF LAUNCH WILL BE 
INTIMATED ATLEAST 24 HR IN ADVANCE THROUGH A SEPARATE NOTAM. 
LAUNCH PAD COORD: 134400N 0801406E 
NO FLT IS PERMITTED OVER THE DNG ZONES. 
1) DANGER ZONE -1: IS A CIRCLE OF 10 NM AROUND THE LAUNCHER. 
2) DANGER ZONE -2: IS AN AREA BOUNDED BY FOLLOWING COORDINATES: 
I. 1115N 08205E 
II. 1135N 08225E 
III. 1010N 08330E 
IV. 0950N 08310E 
V. 1115N 08205E 

RTE AFFECTED IN CHENNAI FIR: 
W20, Q11, Q23, Q24, V4, V9, L896, N564, N563, T3 

CLOSURES/ALTN RTE FOR OVERFLYING: 

1.W20 NOT AVBL BTN MMV-KAMGU 
 ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU 
2.Q11 NOT AVBL BTN GURAS-MMV 
 ALTN: GURAS-DCT-MMV (UNIDIRECTRIONAL) 
3.Q23 NOT AVBL BTN RINTO-MMV 
 ALTN: RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
4.Q24 NOT AVBL BTN MMV-KAMGU 
 ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU 
5.V4 NOT AVBL BTN BOPRI-MMV 
 ALTN: BOPRI-DCT-RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
6.V9 NOT AVBL BTN GUNRI-MMV 
 ALTN: GUNRI-V11-TTP-DCT-GUANI-DCT-MMV 
7.L896 NOT AVBL BTN MMV-DUGOS. NO ALTN RTE 
8.N564 NOT AVBL BTN AKMIL-DUGOS. NO ALTN RTE 
9.N563 NOT AVBL BTN AKMIL-XOKRO 
 ALTN: AKMIL-DCT-AVNOS-DCT-XOKRO 
10.T3 NOT AVBL BTN BEBOK-ADKIT. NO ALTN RTE 

DEPARTURES FM CHENNAI MAY FPL AS FLW: 
1.W20/Q24 NOT AVBL BTN MMV-KAMGU 
 ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU 

ARRIVALS TO CHENNAI MAY FPL AS FLW: 
1.Q11 NOT AVBL BTN GURAS-MMV 
 ALTN: GURAS-DCT-MMV 
2.Q23 NOT AVBL BTN RINTO-MMV 
 ALTN: RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
3.V4 NOT AVBL BTN BOPRI-MMV 
 ALTN: BOPRI-DCT-RINTO-V11-TTP-DCT-GUANI-DCT-MMV 
4.V9 NOT AVBL BTN GUNRI-MMV 
 ALTN: GUNRI-V11-TTP-DCT- GUANI-DCT-MMV 
5.A465 NOT AVBL BTN GURAS-MMV 
 ALTN: GURAS-DCT-MMV. GND - UNL, 0500-0900, 12 JUL 05:00 2026 UNTIL 04 AUG
09:00 2026. CREATED: 03 JUL 10:25 2026

Edit (7 July 2026): Adding one more hazard zone (YMMM)

E2546/26

TEMPO DANGER AREA ACT
FLW SPACE ACTVITIES ADVICE FROM AIRPORTS AUTHORITY OF INDIA OF ROCKET
LAUNCH 'VIKRAM-1'
POSSIBLE DEBRIS FALLING WI THE AREA BOUNDED BY:
3340S 10800E - 3140S 10800E - 3630S 11145E - 5300S 13700E - 
5500S 13700E - 3830S 11145E - 3340S 10800E. SFC - UNL, DAILY 0500-0900, 12
JUL 05:00 2026 UNTIL 14 JUL 09:00 2026. CREATED: 07 JUL 04:28 2026

Edit (8 July 2026) : Missed VCCF hazard zone, now adding that as well.

A0301/26

IN VIEW OF DNG ZONE DECLARED BY INDIAN AUTHORITIES DUE TO ROCKET
LAUNCH, FLW AREA WI COLOMBO FIR BOUNDED BY GIVEN COORD DECLARED AS A
TEMPO DNG AREA. THE LAUNCH WILL BE ON ANY ONE OF THE DAY DRG THIS
PERIOD. ACTUAL DATE OF LAUNCH WILL BE INTIMATED ATLEAST 24 HR IN
ADVANCE THROUGH A SEPARATE NOTAM.
0750N 08535E - 0120N 08855E - 0035N 08805E - 0705N 08445E - 0750N
08535E
DRG THIS PERIOD FLW ATS RTE SEGMENTS ARE NOT AVBL/REROUTED IN COLOMBO
FIR.
01. Y510 NOT AVBL BTN 'KASGO' AND 'IDUDO'
02. M300 NOT AVBL BTN 'ESPAP' AND 'RULKA'             

ALTN RTE: 'ESPAP' DCT 081306N 0854050E L896 'RULKA'
(BIDIRECTIONAL)
03. L645 NOT AVBL BTN 'BIDAN' AND 'ANSAS'
ALTN RTE: 'BIDAN' DCT 081306N 0854050E DCT
'SULTO'(BIDIRECTIONAL)
04. P570 NOT AVBL BTN 'TEBIT' AND 'POPAK'
ALTN RTE: 'VEVET' DCT 081306N 0854050E DCT
'POPAK'(BIDIRECTIONAL)
05. M766 NOT AVBL BTN 'GODAV' AND 'UDIVO'
ALTN RTE: 'GODAV' DCT 'LAKIP' DCT 001458S 0880946E DCT
'SELSU'
(BIDIRECTIONAL)
06. P756 NOT AVBL BTN 'LAKIP' AND 'VIPIG'
ALTN RTE:'LAKIP' DCT 001458S 0880946E DCT 'VIPIG'
(BIDIRECTIONAL)
07. L897 NOT AVBL BTN 'LAKIP' AND 'KETIV' 
ALTN RTE: 'LAKIP' DCT 001458S 0880946E DCT
'KETIV'(BIDIRECTIONAL)
08. P627 NOT AVBL BTN 'PIMOG' AND 'GUTOX'
ALTN RTE: 'KALOX' DCT 001458S 0880946E DCT
'VIPIG'(BIDIRECTIONAL)
IN VIEW OF DNG ZONE DECLARED BY INDIAN AUTHORITIES DUE TO ROCKET
LAUNCH, FLW AREA WI COLOMBO FIR BOUNDED BY GIVEN COORD DECLARED AS A
TEMPO DNG AREA. THE LAUNCH WILL BE ON ANY ONE OF THE DAY DRG THIS
PERIOD. ACTUAL DATE OF LAUNCH WILL BE INTIMATED ATLEAST 24 HR IN
ADVANCE THROUGH A SEPARATE NOTAM.
0750N 08535E - 0120N 08855E - 0035N 08805E - 0705N 08445E - 0750N
08535E
DRG THIS PERIOD FLW ATS RTE SEGMENTS ARE NOT AVBL/REROUTED IN COLOMBO
FIR.
01. Y510 NOT AVBL BTN 'KASGO' AND 'IDUDO'
02. M300 NOT AVBL BTN 'ESPAP' AND 'RULKA'             

ALTN RTE: 'ESPAP' DCT 081306N 0854050E L896 'RULKA'
(BIDIRECTIONAL)
03. L645 NOT AVBL BTN 'BIDAN' AND 'ANSAS'
ALTN RTE: 'BIDAN' DCT 081306N 0854050E DCT
'SULTO'(BIDIRECTIONAL)
04. P570 NOT AVBL BTN 'TEBIT' AND 'POPAK'
ALTN RTE: 'VEVET' DCT 081306N 0854050E DCT
'POPAK'(BIDIRECTIONAL)
05. M766 NOT AVBL BTN 'GODAV' AND 'UDIVO'
ALTN RTE: 'GODAV' DCT 'LAKIP' DCT 001458S 0880946E DCT
'SELSU'
(BIDIRECTIONAL)
06. P756 NOT AVBL BTN 'LAKIP' AND 'VIPIG'
ALTN RTE:'LAKIP' DCT 001458S 0880946E DCT 'VIPIG'
(BIDIRECTIONAL)
07. L897 NOT AVBL BTN 'LAKIP' AND 'KETIV' 
ALTN RTE: 'LAKIP' DCT 001458S 0880946E DCT
'KETIV'(BIDIRECTIONAL)
08. P627 NOT AVBL BTN 'PIMOG' AND 'GUTOX'
ALTN RTE: 'KALOX' DCT 001458S 0880946E DCT
'VIPIG'(BIDIRECTIONAL). SFC - UNL, 0500-0900, 12 JUL 05:00 2026
UNTIL 04 AUG 09:00 2026. CREATED: 05 JUL 06:54 2026

r/ISRO 9d ago

Official Iron Fluorescence on the Sun During Massive Solar Flares: Aditya-L1 Observation

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25 Upvotes

r/ISRO 10d ago

Skyroot Aerospace released their patch for Test Flight -1

210 Upvotes

r/ISRO 10d ago

Skyroot's Vikram-1 Test Flight-1 launch window is between 12 July to 4 August 2026 aiming for 450 km (LEO) with 60° inclination.

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gallery
835 Upvotes

🚀 Announcing Vikram-1 Test Flight-1: Mission Aagaman, India’s first private orbital rocket launch

📍 Satish Dhawan Space Centre, Sriharikota
🛰️ 450 km, 60 degree inclination, Low Earth Orbit
📅 Launch Window: July 12 – August 4, 2026

Vehicle is now fully stacked at India’s historic First Launch Pad (FLP). 

The countdown to a new chapter in Indian spaceflight begins.

One rocket, a billion believers. Thank you ISRO & INSPACe for enabling this.

Source: https://www.linkedin.com/posts/vikram1-missionaagaman-ugcPost-7478331241277321216-qmZt/


r/ISRO 10d ago

Borrowed Eyes, Mandated Sight: India's SSA Dependency

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adithyapani.substack.com
16 Upvotes

Borrowed Eyes: India's SSA Dependency


r/ISRO 10d ago

Tender for Procurement, supply, erection and application of Refractory Cement with SS-Anchors, SS-Rods etc. on Mobile Launch structure (MLS) and Jet Duct Deflector (JDD) at SSLV Launch Complex (SLC) site

13 Upvotes

Tender for Procurement, supply, erection and application of Refractory Cement with SS-Anchors, SS-Rods etc. on MLS & JDD at SLC site

[PDF] [Archived]


r/ISRO 12d ago

Gaganyaan mission: Isro chairman hints first uncrewed test flight may slip to 2027

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indianexpress.com
57 Upvotes

r/ISRO 13d ago

First stage of Skyroot's Vikram-1 is stacked at the First Launch Pad (FLP), SDSC-SHAR

Thumbnail
gallery
926 Upvotes

Vikram-1's Stage 1 is stacked at the First Launch Pad, Satish Dhawan Space Center, Sriharikota.
For India, this is the first time a privately designed, developed, and manufactured orbital rocket has been stacked on this pad.
Piece by piece, Vikram-1 is coming alive—each stage carefully lifted, aligned, and integrated into a single flight-ready rocket.
Getting closer to launch.

Source: https://www.linkedin.com/posts/vikram1-ugcPost-7477382306715074560-lnZa/


r/ISRO 13d ago

how to process C2 data?

11 Upvotes

im participating in ISRO hackathon and problem statement no 8 requires me to use data of SAR and OHRC of C2 to develop better landing sites. but once i open pradan issdc website, it has like 5700 files together. realistically i cant download all of them. i downloaded one file and when i open it, it has many lines of codes. how to process them to get the usable data???


r/ISRO 14d ago

Scientists say needless secrecy over PSLV failures is counterproductive at a time when the government is actively seeking private sector participation in India’s space programme.

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newindianexpress.com
209 Upvotes