Key statistics
Satellite SL-8 R/B at a glance.
Uptime
12787
Days in orbit
Revolutions
≈ 14.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.9
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: 1990-078B
Object number (NORAD): 20775
Object ID (CCSDS): 20775
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 97.269 minutes
Inclination: 82.9055 deg
SMA: 7006.08 km
Apoapsis: 903.025 km
Periapsis: 352.865 km
RAAN: 61.8107 deg
Eccentricy: 0.03926303
Argument of periapsis: 292.1171 deg
Mean anomaly: 63.8802 deg
Mean motion: 14.80437665 rev/day
Mean motion (dot): 0.00011866 rev/day2
B* drag term: 0.00039006715 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 9:31 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 20775U 90078B 25242.89667535 .00011866 00000-0 39007-3 0 9993
TLE line 2: 2 20775 82.9055 61.8107 0392630 292.1171 63.8802 14.80437665780984
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-8 R/B.
Associated space launch
Early warning satellite
SL-8 R/B was lifted into orbit during the mission ‘Molniya 8K78M-PVB | US-K 66’, on board a Molniya 8K78M-PVB space rocket.
The launch took place on Aug. 28, 1990, 7:49 a.m. from 43/4 (43R).
For more information about the launch, click the button.
Molniya 8K78M-PVB | US-K 66
Agency: N/A
Status: Launch Successful
Launch date: Aug. 28, 1990, 7:49 a.m. UTC
Rocket: Molniya 8K78M-PVB
Launch pad: 43/4 (43R)
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.
