Key statistics
Satellite SL-8 R/B at a glance.
Uptime
13711
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: 1987-106B
Object number (NORAD): 18710
Object ID (CCSDS): 18710
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.631 minutes
Inclination: 82.9129 deg
SMA: 7355.319 km
Apoapsis: 994.73 km
Periapsis: 959.638 km
RAAN: 294.2043 deg
Eccentricy: 0.0023855
Argument of periapsis: 151.6583 deg
Mean anomaly: 279.788 deg
Mean motion: 13.76260086 rev/day
Mean motion (dot): 0.00000041 rev/day2
B* drag term: 0.000026058 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 10:41 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 18710U 87106B 25187.44531477 .00000041 00000-0 26058-4 0 9997
TLE line 2: 2 18710 82.9129 294.2043 0023855 151.6583 279.7880 13.76260086884589
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 61’, on board a Kosmos-3M space rocket.
The launch took place on Dec. 23, 1987, 8:22 p.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Parus 61
Agency: N/A
Status: Launch Successful
Launch date: Dec. 23, 1987, 8:22 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
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