Key statistics
Satellite SL-8 R/B at a glance.
Uptime
18047
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: 1976-051B
Object number (NORAD): 8874
Object ID (CCSDS): 8874
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.708 minutes
Inclination: 82.9558 deg
SMA: 7358.897 km
Apoapsis: 999.288 km
Periapsis: 962.236 km
RAAN: 264.6206 deg
Eccentricy: 0.00251754
Argument of periapsis: 46.9318 deg
Mean anomaly: 313.394 deg
Mean motion: 13.75256377 rev/day
Mean motion (dot): 0.00000045 rev/day2
B* drag term: 0.000031276677 1/REarth
Two-line elements (TLE)
Creation date: Oct. 30, 2025, 3:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 29, 2025, 10:39 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 08874U 76051B 25302.94386707 .00000045 00000-0 31277-4 0 9995
TLE line 2: 2 08874 82.9558 264.6206 0025175 46.9318 313.3940 13.75256377478292
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
Associated space launch
The first soviet navigation system called Tsiklon consisted of Zaliv satellites in low earth orbit.
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Zaliv 21’, on board a Kosmos-3M space rocket.
The launch took place on June 2, 1976, 10:30 p.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Zaliv 21
Agency: N/A
Status: Launch Successful
Launch date: June 2, 1976, 10:30 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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