Key statistics
Satellite SL-8 R/B at a glance.
Uptime
12502
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
83.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-8 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-8 R/B
International designator: 1991-029B
Object number (NORAD): 21231
Object ID (CCSDS): 21231
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.645 minutes
Inclination: 82.9519 deg
SMA: 7355.973 km
Apoapsis: 1002.835 km
Periapsis: 952.841 km
RAAN: 88.5254 deg
Eccentricy: 0.0033982
Argument of periapsis: 288.1915 deg
Mean anomaly: 140.0103 deg
Mean motion: 13.76076466 rev/day
Mean motion (dot): 0.00000063 rev/day2
B* drag term: 0.000049328 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 8:10 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 21231U 91029B 25188.84048755 .00000063 00000-0 49328-4 0 9994
TLE line 2: 2 21231 82.9519 88.5254 0033982 288.1915 140.0103 13.76076466718164
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
Associated space launch
Navigation satellite providing location information for the Tsiklon-B navigation system
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Parus 72’, on board a Kosmos-3M space rocket.
The launch took place on April 16, 1991, 7:21 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Parus 72
Agency: N/A
Status: Launch Successful
Launch date: April 16, 1991, 7:21 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
