SL-12 R/B(2)

21135
Spacetrack Directory Number
1991-02-28
Orbit launches
Rocket
This is a launch vehicle!


Satellite information SL-12 R/B(2)

Spacetrack Directory Name SL-12 R/B(2)
Follow SL-12 R/B(2) SL-12 R/B(2) Tracker
Pass predictions SL-12 R/B(2) Pass predictions SL-12 R/B(2)
Orbit launches 1991-02-28 (35 years ago)
Days in orbit 12988
Country/organisation of origin Commonwealth of Independent States (former USSR) (CIS)
Starting point TYMSC (Baikonur Cosmodrome, Kazakhstan)
Perigee 34814 km
Apogee 35034 km
Orbit slope (inclination) 11.78°
Laps per day 1
Height SL-12 R/B(2) 34923 km

Additional information SL-12 R/B(2)

SL-12 R/B(2), 21135 is space debris in GEO originally from a launch on Thu, 28 Feb 1991 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

satellite SL-12 R/B(2) Date of exalting 28.02.1991y. Average height of ISS SL-12 R/B(2) hundred 34923 km. Average velocity SL-12 R/B(2) is 11184.17 km/h. Inclination SL-12 R/B(2) satellite 11.79°.

TLE



Average orbit height SL-12 R/B(2)

Average velocity SL-12 R/B(2)

Average inclination SL-12 R/B(2)

Mean right ascension of the ascending node (RAAN) SL-12 R/B(2)

Mean argument of perigee SL-12 R/B(2)

Mean semi-major axis of the orbit SL-12 R/B(2)

Mean orbital eccentricity SL-12 R/B(2)

Update time: 2026-09-19 19:50:09
Average height of ISS SL-12 R/B(2) is: 34923km
Average velocity SL-12 R/B(2) is: 11184.17km/h
Average orbit height SL-12 R/B(2) is: 11.79°
SL-12 R/B(2) a new group of Starlink satellites has been launched 1991-02-28
SL-12 R/B(2) is from 12988 days Days in orbit.