Key statistics
Satellite SL-8 R/B at a glance.
Uptime
13782
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: 1987-087B
Object number (NORAD): 18403
Object ID (CCSDS): 18403
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.591 minutes
Inclination: 82.9174 deg
SMA: 7353.428 km
Apoapsis: 1016.694 km
Periapsis: 933.891 km
RAAN: 59.1075 deg
Eccentricy: 0.0056302
Argument of periapsis: 234.2054 deg
Mean anomaly: 125.3863 deg
Mean motion: 13.76791017 rev/day
Mean motion (dot): 0.00000098 rev/day2
B* drag term: 0.000083942 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 10:13 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 18403U 87087B 25188.92591585 .00000098 00000-0 83942-4 0 9991
TLE line 2: 2 18403 82.9174 59.1075 0056302 234.2054 125.3863 13.76791017894913
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 60’, on board a Kosmos-3M space rocket.
The launch took place on Oct. 14, 1987, 12:35 p.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Parus 60
Agency: N/A
Status: Launch Successful
Launch date: Oct. 14, 1987, 12:35 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
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