GSAT-15 is an Indian communication satellite similar to GSAT-10 to augment the capacity of transponders to provide more bandwidth for Direct-to-Home television and VSAT services. It was successfully launched on 10 November 2015 at 21:34:07 UTC aboard an Ariane 5 rocket, along with the ArabSat 6B satellite.[6]
Mission type | Communications |
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Operator | ISRO |
COSPAR ID | 2015-065A ![]() |
SATCAT no. | 41028 |
Website | GSAT-15 |
Mission duration | Planned: 12 years[1] Elapsed: 6 years, 10 months, 21 days |
Spacecraft properties | |
Bus | I-3K |
Manufacturer | ISRO Satellite Centre Space Applications Centre |
Launch mass | 3,164 kg (6,975 lb)[1] |
Dry mass | 1,440 kg (3,175 lb)[1] |
Power | 6,200 watts[1] |
Start of mission | |
Launch date | 10 November 2015, 21:34:07 (2015-11-10UTC21:34:07) UTC[2][3] |
Rocket | Ariane 5 ECA, VA-227[2] |
Launch site | Kourou ELA-3 |
Contractor | Arianespace |
Entered service | 4 January 2016[4] |
Orbital parameters | |
Reference system | Geocentric |
Regime | Geostationary |
Longitude | 93.5° E |
Perigee altitude | 35,774 km (22,229 mi) |
Apogee altitude | 35,799 km (22,244 mi) |
Inclination | 0.0728° |
Epoch | 11 June 2017, 00:27:58 UTC[5] |
Transponders | |
Band | 24 × Ku band |
Bandwidth | 36 MHz |
GSAT ← GSAT-6 GSAT-18 → |
The satellite carries 24 Ku band transponders and a GAGAN navigational payload operating in the L1 and L5 bands.[1][7] Besides that it will also carry 2 Ku band beacons.[1]
GSAT-15 has an estimated lifespan of 12 years. It will augment telecommunication, Direct-to-Home and radio navigation services.[8][9]
Cost of launch and insurance: about ₹860 Crore.[10]
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Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Cubesats are smaller. Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses). |