IRNSS-1B
| Mission type | Navigation |
|---|---|
| Operator | ISRO |
| COSPAR ID | 2014-017A |
| SATCAT no. | 39635 |
| Website | http://www.isro.org/pslv-c24/mission.aspx |
| Mission duration | 10 years |
| Spacecraft properties | |
| Bus | I-1K |
| Manufacturer | ISRO Satellite Centre Space Applications Centre |
| Launch mass | 1,432 kilograms (3,157 lb) |
| Power | 1,660 watts |
| Start of mission | |
| Launch date | 4 April 2014, 11:44 UTC |
| Rocket | PSLV-XL C24 |
| Launch site | Satish Dhawan FLP |
| Contractor | ISRO |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geosynchronous |
| Longitude | 55° East |
| Perigee altitude | 35,714 km (22,192 mi) |
| Apogee altitude | 35,870 km (22,290 mi) |
| Inclination | 30.57 degrees |
| Period | 1436.010 minutes |
| Epoch | 25 January 2015, 01:32:48 UTC |
IRNSS-1B is the second out of seven in the Indian Regional Navigation Satellite System (IRNSS) series of satellites after IRNSS-1A. The IRNSS constellation of satellites is slated to be launched to provide navigational services to the region. It was placed in geosynchronous orbit on 4 April 2014.