Key statistics
Satellite SL-8 R/B at a glance.
Uptime
16546
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: 1980-039B
Object number (NORAD): 11804
Object ID (CCSDS): 11804
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.61 minutes
Inclination: 82.9453 deg
SMA: 7354.303 km
Apoapsis: 992.293 km
Periapsis: 960.042 km
RAAN: 21.2912 deg
Eccentricy: 0.00219268
Argument of periapsis: 119.6742 deg
Mean anomaly: 240.6602 deg
Mean motion: 13.76545305 rev/day
Mean motion (dot): 0.00000134 rev/day2
B* drag term: 0.00012079062 1/REarth
Two-line elements (TLE)
Creation date: Sept. 7, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 6, 2025, 9:13 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 11804U 80039B 25249.88466948 .00000134 00000-0 12079-3 0 9999
TLE line 2: 2 11804 82.9453 21.2912 0021927 119.6742 240.6602 13.76545305274287
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 24’, on board a Kosmos-3M space rocket.
The launch took place on May 20, 1980, 9:21 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Parus 24
Agency: N/A
Status: Launch Successful
Launch date: May 20, 1980, 9:21 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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