Geostationary
GSAT-17
Indian Communications + Search & Rescue Relay · ISRO
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An Indian C-band and extended C-band satellite with a unique additional mission — hosting a COSPAS-SARSAT search and rescue transponder. GSAT-17 relays emergency distress signals from personal locator beacons, emergency position-indicating radio beacons (EPIRBs), and emergency locator transmitters across India and the surrounding oceans. When an Indian fishing vessel or trekker in the Himalayas activates a distress beacon, GSAT-17 is often the satellite that receives and relays that emergency call to rescue coordination centers.
Its orbit
- Orbit
- Geostationaryappears to hang motionless over one spot on the equator
- Altitude
- 22,230–22,253 mi (35,776–35,813 km)
- Inclination
- 0.0°
- One orbit
- 23.9 hoursabout one orbit a day
- NORAD ID
- 42815
- Int’l designator
- 2017-040B
- Launched
- 2017
Orbital elements from CelesTrak, as of 22 Sep 2026.