Key statistics
Satellite SL-8 R/B at a glance.
Uptime
16973
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
83.0
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: 1979-026B
Object number (NORAD): 11309
Object ID (CCSDS): 11309
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.538 minutes
Inclination: 82.9715 deg
SMA: 7350.962 km
Apoapsis: 986.011 km
Periapsis: 959.642 km
RAAN: 320.4051 deg
Eccentricy: 0.00179361
Argument of periapsis: 309.2183 deg
Mean anomaly: 50.7381 deg
Mean motion: 13.77483895 rev/day
Mean motion (dot): 0.00000113 rev/day2
B* drag term: 0.000098698974 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 5:34 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 11309U 79026B 25250.73200178 .00000113 00000-0 98699-4 0 9990
TLE line 2: 2 11309 82.9715 320.4051 0017936 309.2183 50.7381 13.77483895333474
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 18’, on board a Kosmos-3M space rocket.
The launch took place on March 21, 1979, 4:13 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Parus 18
Agency: N/A
Status: Launch Successful
Launch date: March 21, 1979, 4:13 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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