IRS-1B

satellite active
status is unknown

Mission information

Name

IRS-1B

Call sign

Satellite ID

DGNB-2103-4908-2396-6259

NORAD ID

Web-site

Status

Active
The satellite is in orbit
The network has not received data from this satellite for a long time

Orbital parameters of the satellite

Perigee

880.13 km

Apogee

917.08 km

Inclination

99.4°

Period

104.4 min

Semi-major axis

7276.7 km

Velocity

7.37 km/s

Mission timeline

Launch time

1991-08-29 00:00:00

Decayed time

Transmitters

Telemetry decoder IRS-1B

Decoder name

Decoder fields

Data for the last 30 days

Orbital Elements

Last two-line elements (TLE)

TLE source

Celestrak (SatNOGS)

TLE updated

2025-08-31 05:52:26

Two-line elements (TLE)

1 21688U 91061A   25242.87336894  .00000180  00000+0  16007-3 0  9990
2 21688  99.4058 238.6634 0025389  72.4326 349.8140 13.97812317627933