Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14549
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: 1985-116B
Object number (NORAD): 16369
Object ID (CCSDS): 16369
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.563 minutes
Inclination: 82.9357 deg
SMA: 7352.106 km
Apoapsis: 999.491 km
Periapsis: 948.452 km
RAAN: 242.7696 deg
Eccentricy: 0.00347106
Argument of periapsis: 275.176 deg
Mean anomaly: 153.1646 deg
Mean motion: 13.77162245 rev/day
Mean motion (dot): 0.00000119 rev/day2
B* drag term: 0.00010529268 1/REarth
Two-line elements (TLE)
Creation date: Oct. 19, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 18, 2025, 11:44 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 16369U 85116B 25291.98907772 .00000119 00000-0 10529-3 0 9995
TLE line 2: 2 16369 82.9357 242.7696 0034711 275.1760 153.1646 13.77162245 836
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 52’, on board a Kosmos-3M space rocket.
The launch took place on Dec. 19, 1985, 8:46 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Parus 52
Agency: N/A
Status: Launch Successful
Launch date: Dec. 19, 1985, 8:46 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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