Mission
This is a replacement satellite for the Indian Regional Navigation Satellite System. The constellation will provide India with an alternative to GPS and will be used for military and civilian use. Located at a geosynchronous orbit, the system will be operated by the Indian government.
GSLV Mk II will launch IRNSS-1L from the Second Launch Pad at Satish Dhawan Space Centre, India.
- Liftoff
- No earlier than Fri 30 Oct
- Rocket
- GSLV Mk. IIISRO
- Destination
- Geostationary Transfer Orbit
- Launch site
- Satish Dhawan Space Centre Second Launch Pad, Satish Dhawan Space Centre, India2nd launch from this pad in 202656 days after the last
- Latest update
- NET October 30.
3rd
ISRO launch of 2026
GSLV Mk. II
ISRO13 launches since April 2010, 11 successful
49m
Height
2.8m
Diameter
401t
Mass at liftoff
7.4MN
Thrust at liftoff
2.5t
Payload to geostationary transfer orbit
About GSLV Mk. II
Geosynchronous Satellite Launch Vehicle Mark II (GSLV Mk II) is the largest launch vehicle developed by India, which is currently in operation. This fourth generation launch vehicle is a three stage vehicle with four liquid strap-ons. The indigenously developed cryogenic Upper Stage (CUS), which is flight proven, forms the third stage of GSLV Mk II. From January 2014, the vehicle has achieved four consecutive successes.
Orbit estimated from CelesTrak’s elementsMeasured trackSpaceX’s predicted path
In orbit now
The crewed stations and Hubble, once around the Earth every 92 to 94 minutes
| Spacecraft | Altitude | Speed |
|---|---|---|
| ISSDocked: Soyuz MS-29, Crew-13In sunlight | 430km | 27,567km/h |
| TiangongDocked: Shenzhou-23In Earth’s shadow | 387km | 27,659km/h |
| Shenzhou-23In Earth’s shadow | 387km | 27,659km/h |
| Soyuz MS-29In sunlight | 430km | 27,567km/h |
| Crew-13In sunlight | 430km | 27,567km/h |
| HubbleIn sunlight | 469km | 27,483km/h |
Estimated for from CelesTrak’s orbital elements, up to 41 h old.




