Key statistics
Satellite SL-8 R/B at a glance.
Uptime
13193
Days in orbit
Revolutions
≈ 13.8
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: 1989-059B
Object number (NORAD): 20150
Object ID (CCSDS): 20150
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.66 minutes
Inclination: 82.9427 deg
SMA: 7356.643 km
Apoapsis: 999.898 km
Periapsis: 957.119 km
RAAN: 25.6602 deg
Eccentricy: 0.00290755
Argument of periapsis: 171.3986 deg
Mean anomaly: 301.9036 deg
Mean motion: 13.75888368 rev/day
Mean motion (dot): 0.0000006 rev/day2
B* drag term: 0.000045674523 1/REarth
Two-line elements (TLE)
Creation date: Sept. 7, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 6, 2025, 9:34 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 20150U 89059B 25249.89920507 .00000060 00000-0 45675-4 0 9998
TLE line 2: 2 20150 82.9427 25.6602 0029076 171.3986 301.9036 13.75888368813160
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 67’, on board a Kosmos-3M space rocket.
The launch took place on July 25, 1989, 7:48 a.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Parus 67
Agency: N/A
Status: Launch Successful
Launch date: July 25, 1989, 7:48 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
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