Key statistics
Satellite IRS 1A at a glance.
Uptime
13685
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: 103.069 minutes
Inclination: 98.896 deg
SMA: 7281.915 km
Apoapsis: 913.362 km
Periapsis: 894.198 km
RAAN: 305.8236 deg
Eccentricy: 0.00131584
Argument of periapsis: 282.3537 deg
Mean anomaly: 144.7949 deg
Mean motion: 13.97122059 rev/day
Mean motion (dot): 0.00000307 rev/day2
B* drag term: 0.0002500572 1/REarth
Two-line elements (TLE)
Creation date: Sept. 3, 2025, 10:15 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 3, 2025, 4:13 a.m. UTC
TLE line 0: 0 IRS 1A
TLE line 1: 1 18960U 88021A 25246.17637572 .00000307 00000-0 25006-3 0 9996
TLE line 2: 2 18960 98.8960 305.8236 0013158 282.3537 144.7949 13.97122059813099
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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