Key statistics
Satellite SL-8 R/B at a glance.
Uptime
13891
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: 104.589 minutes
Inclination: 82.9194 deg
SMA: 7353.348 km
Apoapsis: 1016.488 km
Periapsis: 933.939 km
RAAN: 337.8832 deg
Eccentricy: 0.00561304
Argument of periapsis: 290.7006 deg
Mean anomaly: 68.8139 deg
Mean motion: 13.76813336 rev/day
Mean motion (dot): 0.00000059 rev/day2
B* drag term: 0.000045057629 1/REarth
Two-line elements (TLE)
Creation date: Oct. 25, 2025, 3:11 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 24, 2025, 8:42 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 18403U 87087B 25297.86271455 .00000059 00000-0 45058-4 0 9999
TLE line 2: 2 18403 82.9194 337.8832 0056130 290.7006 68.8139 13.76813336909907
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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