Key statistics
Satellite IRS 1A at a glance.
Uptime
13626
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for IRS 1A.
Object identification
Identified? True
Debris? False
Object name: IRS 1A
International designator: 1988-021A
Object number (NORAD): 18960
Object ID (CCSDS): 18960
Country: INDIA (IND)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 103.07 minutes
Inclination: 98.902 deg
SMA: 7281.945 km
Apoapsis: 914.992 km
Periapsis: 892.628 km
RAAN: 249.1199 deg
Eccentricy: 0.0015356
Argument of periapsis: 84.202 deg
Mean anomaly: 82.8715 deg
Mean motion: 13.97113467 rev/day
Mean motion (dot): -0.00000006 rev/day2
B* drag term: 0.000026303 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 2:45 p.m. UTC
TLE line 0: 0 IRS 1A
TLE line 1: 1 18960U 88021A 25187.61506669 -.00000006 00000-0 26303-4 0 9990
TLE line 2: 2 18960 98.9020 249.1199 0015356 84.2020 82.8715 13.97113467804910
Live tracking on map
Real-time ground track for satellite IRS 1A.
In-orbit conjunctions
A list of the most updated potential collisions computed for object IRS 1A.
Associated space launch
Indian remote sensing satellite
IRS 1A was lifted into orbit during the mission ‘Vostok 8A92M | IRS-1A’, on board a Vostok 8A92M space rocket.
The launch took place on March 17, 1988, 6:43 a.m. from 31/6.
For more information about the launch, click the button.
Vostok 8A92M | IRS-1A
Agency: N/A
Status: Launch Successful
Launch date: March 17, 1988, 6:43 a.m. UTC
Rocket: Vostok 8A92M
Launch pad: 31/6
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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Latest news about this satellite
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