Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14138
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: 1987-017B
Object number (NORAD): 17526
Object ID (CCSDS): 17526
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.56 minutes
Inclination: 82.8978 deg
SMA: 7351.991 km
Apoapsis: 1004.197 km
Periapsis: 943.515 km
RAAN: 272.6018 deg
Eccentricy: 0.0041269
Argument of periapsis: 41.8013 deg
Mean anomaly: 318.6284 deg
Mean motion: 13.7719453 rev/day
Mean motion (dot): 0.00000029 rev/day2
B* drag term: 0.000013926 1/REarth
Two-line elements (TLE)
Creation date: Nov. 2, 2025, 3:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 2, 2025, 10:14 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 17526U 87017B 25306.42659514 .00000029 00000-0 13926-4 0 9992
TLE line 2: 2 17526 82.8978 272.6018 0041269 41.8013 318.6284 13.77194530927101
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
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 58’, on board a Kosmos-3M space rocket.
The launch took place on Feb. 18, 1987, 1:53 p.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Parus 58
Agency: N/A
Status: Launch Successful
Launch date: Feb. 18, 1987, 1:53 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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