 | |
| Mission type | Navigation |
|---|---|
| Operator | ISRO |
| COSPAR ID | 2016-027A |
| SATCATno. | 41469 |
| Mission duration | 12 years |
| Spacecraft properties | |
| Spacecraft | IRNSS-1G |
| Spacecraft type | Satellite |
| 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 | 1600 W |
| Start of mission | |
| Launch date | 12:50, April 28, 2016 (+05:30) (2016-04-28T12:50:00+05:30) |
| Rocket | PSLV-XL C33 |
| Launch site | Satish Dhawan (First) |
| Contractor | ISRO |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geosynchronous Orbit (GSO) |
| Longitude | 129.429213 East |
| Perigee altitude | 35,780.961 km (22,233.258 mi)[1] |
| Apogee altitude | 35,796.200 km (22,242.727 mi)[1] |
| Inclination | 4.2637 |
| Period | 23:56:12.33 |
| Epoch | 17151.68965311 |
IRNSS-1G was the seventh and final[2] of theIndian Regional Navigation Satellite System (IRNSS) series of satellites afterIRNSS-1A,IRNSS-1B,IRNSS-1C,IRNSS-1D,IRNSS-1E andIRNSS-1F. This system of satellites will provide navigational services to the Indian region. The satellite was launched successfully on 28 April 2016 at 07:20 UTC.[2]
IRNSS-1G along IRNSS-1A is being used only for NavIC's short message broadcast service and not for navigation.[3][4]
The satellite was launched from theFirst Launch Pad (FLP) ofSatish Dhawan Space Centre,Sriharikota on boardPSLV-C33 XL on 28 April 2016 at 12:50 PMIST.[2][5] The countdown of the launch had begun 51:30 hours before at 9:20 AM IST on 25 April 2016.[6]
After the launch of IRNSS-1G the Indian government named the IRNSS system as NAVIC (Navigation withIndianConstellation).[7]
Mission life: 12 years (planned).[6]
Lift-off mass:1,425 kilograms (3,142 lb)
Dry mass: 598 kilograms (1,318 lb).[8]
Payload:CDMA ranging payload inC band.[9][10] Navigation payload inL-5 andS band spectrums andRubidium atomic clocks.[11]
Power: Twotriple-junction solar panels to generate 1660W of energy and one Lithium-ion 90A-hr battery is used.[8]
Propulsion:MMH/MON3 based bipropellant system with 12×22NAttitude control thrusters and one 440NLAM.[10]
Orbit:Geosynchronous orbit at 129.5° East longitude with 5° inclination.[8][12]
Cost: Approximately₹125 crore (US$15 million).[13]
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