Key statistics
Satellite IRS 1D at a glance.
Uptime
10084
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for IRS 1D.
Object identification
Identified? True
Debris? False
Object name: IRS 1D
International designator: 1997-057A
Object number (NORAD): 24971
Object ID (CCSDS): 24971
Country: INDIA (IND)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.329 minutes
Inclination: 98.8075 deg
SMA: 7152.297 km
Apoapsis: 811.312 km
Periapsis: 737.011 km
RAAN: 108.6895 deg
Eccentricy: 0.0051942
Argument of periapsis: 340.6585 deg
Mean anomaly: 19.2627 deg
Mean motion: 14.35272837 rev/day
Mean motion (dot): 0.00000318 rev/day2
B* drag term: 0.00012546 1/REarth
Two-line elements (TLE)
Creation date: May 8, 2025, 10:36 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 8, 2025, 1:14 p.m. UTC
TLE line 0: 0 IRS 1D
TLE line 1: 1 24971U 97057A 25128.55170232 .00000318 00000-0 12546-3 0 9997
TLE line 2: 2 24971 98.8075 108.6895 0051942 340.6585 19.2627 14.35272837444563
Live tracking on map
Real-time ground track for satellite IRS 1D.
In-orbit conjunctions
A list of the most updated potential collisions computed for object IRS 1D.
Associated space launch
IRS 1C and 1D (Indian Remote Sensing Satellite) were the second version of the series of indigenous state-of-art remote sensing satellites. Skipper was an international project initiated by BMDO to measure the bow-shock UV emissions from reentering bodies at different speeds and heights.
IRS 1D was lifted into orbit during the mission ‘PSLV | IRS-1D’, on board a PSLV space rocket.
The launch took place on Sept. 29, 1997, 4:47 a.m. from Satish Dhawan Space Centre First Launch Pad.
For more information about the launch, click the button.
PSLV | IRS-1D
Agency: N/A
Status: Launch Failure
Launch date: Sept. 29, 1997, 4:47 a.m. UTC
Rocket: PSLV
Launch pad: Satish Dhawan Space Centre First Launch Pad
Location: Satish Dhawan Space Centre, India
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