GSAT-18
| Mission type | Communication |
|---|---|
| Operator | Indian National Satellite System |
| COSPAR ID | 2016-060A |
| SATCAT no. | 41793 |
| Website | www |
| Mission duration | Planned: 15 years Elapsed: 4 months, 26 days |
| Spacecraft properties | |
| Bus | I-3K |
| Manufacturer |
ISRO Satellite Centre Space Applications Centre |
| Launch mass | 3,404 kg (7,505 lb) |
| Power | 6,474 watts |
| Start of mission | |
| Launch date | 5 October 2016, ≈20:30 UTC |
| Rocket | Ariane 5 ECA, VA-231 |
| Launch site | Guiana Space Centre ELA-3 |
| Contractor | Arianespace |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 74° E |
| Transponders | |
| Band | 24 × C band 12 × extended C band 12 × Ku band 2 × Ku beacon |
GSAT-18 is an Indian communications satellite. Built by ISRO and operated by INSAT, it carries 24 C-band, 12 extended C-band, and 12 Ku-band transponders.
The satellite was launched on 5 October 2016 at approximately 20:30 UTC aboard an Ariane 5 ECA rocket from the Guiana Space Centre in Kourou, French Guiana. The launch vehicle inserted the satellite into a geosynchronous transfer orbit, and once in service it will occupy the orbital slot at 74° East longitude. The spacecraft and launch service cost about US$153 million.
GSAT-18 was originally scheduled to launch on 12 July 2016 alongside Japan's Superbird-8 satellite, but a shipping mishap which damaged Superbird-8 forced a delay in the launch schedule.Arianespace later paired GSAT-18 with Australia's Sky Muster II for a 4 October 2016 launch. The launch was delayed 24 hours to 5 October due to excessively high crosswinds at the launch site.
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