Back to catalog
Object data
IRS-1B
Check the current position, flight trajectory and orbital parameters for IRS-1B (NORAD 21688). Find out when it will be visible in the sky.
NORAD 21688SatNOGSOrbit
Orbital data
Catalog facts
- Name
- IRS-1B
- NORAD ID
- 21688
- Category
- SatNOGS
- TLE epoch
- Aug 11, 2026, 12:57 UTC
- Object ID
- 1991-061A
- Object type
- Payload
- Owner
- India
- Launch site
- Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome)
- Launch date
- 1991-08-29
- Operational status
- Nonoperational
- Orbit type
- Orbit
- Orbit center
- Earth
Orbital parameters
Orbit profile
Inclination99.4128°
Eccentricity0.0024
Mean motion13.9788 rev/day
Orbital period103.0 min
Perigee883.7 km
Apogee918.6 km
Interactive tools
Observe and track this object
Choose one of the tools to check satellite visibility from your location or view its trajectory on a map.