Key statistics
Satellite SL-8 R/B at a glance.
Uptime
13291
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: 104.659 minutes
Inclination: 82.9402 deg
SMA: 7356.615 km
Apoapsis: 998.635 km
Periapsis: 958.324 km
RAAN: 314.1052 deg
Eccentricy: 0.00273983
Argument of periapsis: 264.5158 deg
Mean anomaly: 204.8489 deg
Mean motion: 13.75896474 rev/day
Mean motion (dot): 0.00000044 rev/day2
B* drag term: 0.000029557378 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 7:50 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 20150U 89059B 25346.32650648 .00000044 00000-0 29557-4 0 9993
TLE line 2: 2 20150 82.9402 314.1052 0027398 264.5158 204.8489 13.75896474826422
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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