IRNSS-1D
| Mission type | Navigation |
|---|---|
| Operator | ISRO |
| COSPAR ID | 2015-018A |
| SATCAT no. | 40547 |
| Website | http://www.isro.gov.in/Spacecraft/irnss-1d |
| Mission duration | 12 years |
| Spacecraft properties | |
| Spacecraft | IRNSS-1D |
| Bus | I-1K |
| Manufacturer | ISRO Satellite Centre Space Applications Centre |
| Launch mass | 1,425 kilograms (3,142 lb) |
| Dry mass | 598 kilograms (1,318 lb) |
| Power | 1,660 W |
| Start of mission | |
| Launch date | 11:49, March 28, 2015 (UTC) |
| Rocket | PSLV-XL C27 |
| Launch site | Satish Dhawan SLP |
| Contractor | ISRO |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geosynchronous |
| Longitude | 111.75° East |
| Perigee altitude | 35,750.0 km (22,214.0 mi) |
| Apogee altitude | 35,884.1 km (22,297.3 mi) |
| Inclination | 30.43 degrees |
| Period | 1436.1 minutes |
| Epoch | 5 May 2015, 20:43:00 UTC |
IRNSS-1D is a satellite in the Indian Regional Navigational Satellite System (IRNSS) constellation. The satellite is the fourth of seven in the constellation, launched after IRNSS-1A, IRNSS-1B and IRNSS-1C. The satellite is the only satellite in the constellation slated to provide navigational services to the region. The satellite will be placed in geosynchronous orbit. It was launched successfully on 28 March 2015 onboard ISRO's PSLV-C27 from Satish Dhawan Space Centre, Sriharikota.