Mission info
| Scheduled for (UTC) | 2026-09-03, 21:25 |
|---|---|
| Scheduled for (local) | 2025-09-04, 02:55 (IST) |
| Launch site | Second Launch Pad, Satish Dhawan Space Centre, India |
| Launch Vehicle | GSLV Mark II |
| Payloads | EOS-05 (GISAT-1A) |
| Payload mass | 2,367 kg |
| Target Orbit | Geostationary Transfer Orbit |
GSLV Mark II consists of:
- Four L40 Hs boosters: (N2O4 / UDMH)
- Stage 1: HTPB (Hydroxyl-terminated polybutadiene)
- Stage 2: (N2O4 / UDMH)
- Stage 3: (LOX / LH2)
Webcasts
| Stream | Link |
|---|---|
| ISRO | https://www.youtube.com/watch?v=Q9OdYc3KpEw |
| Space Affairs | https://www.youtube.com/watch?v=44GxFOJWl3w |
| The Launch Pad | https://www.youtube.com/watch?v=hbcyVX_ci6g |
| International Rocket Launches | https://www.youtube.com/watch?v=wChAVB8Wgbw |
Stats
Sourced from NextSpaceflight:
☑️ 1st GSLV mission of 2026, 19th overall
☑️ 2nd ISRO mission this year, 103rd overall
Mission details
EOS-05 (GISAT-1A)
GEO Imaging Satellite, or GISAT, is a planned Indian geo-imaging satellite intended to be able to provide images quickly during disasters. EOS-05/GISAT-1A will replace EOS-03/GISAT-1 lost in launch failure in 2021.


Orbital parameters from Jonathan McDowell: https://bsky.app/profile/planet4589.bsky.social/post/3mupvwwwddk2c