IRS-1B

Launch Details
Launched 28 August 1991
Flight ended
Status Non-operational
Launch site Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome)
Owner India
NORAD ID 21688
COSPAR ID 1991-061A
Observing

Current orbital elements

Inclination 99.397°
Eccentricity 0.00253
RA ascending node 5.591 hr
Argument perigee 121.848°
Mean anomaly 349.993°
Orbital period 103.021 min
Epoch of osculation 01 Apr 2025, 15:14

See historical orbital elements »

Derived Quantities

Min Altitude 890.2 km
Mean Altitude 908.6 km
Peak Altitude 927.1 km

Orbital History

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Launched alongside

SL-3 R/B

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Fairfield

Latitude:
Longitude:
Timezone:

41.14°N
73.26°W
EDT

Color scheme