Key statistics
Satellite SL-8 R/B at a glance.
Uptime
18442
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: 1975-034B
Object number (NORAD): 7769
Object ID (CCSDS): 7769
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.716 minutes
Inclination: 82.9576 deg
SMA: 7359.305 km
Apoapsis: 994.472 km
Periapsis: 967.869 km
RAAN: 273.5655 deg
Eccentricy: 0.00180742
Argument of periapsis: 346.4477 deg
Mean anomaly: 68.0709 deg
Mean motion: 13.75141969 rev/day
Mean motion (dot): 0.00000206 rev/day2
B* drag term: 0.00019997043 1/REarth
Two-line elements (TLE)
Creation date: Oct. 18, 2025, 2:17 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 17, 2025, 11:51 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 07769U 75034B 25290.99414891 .00000206 00000-0 19997-3 0 9997
TLE line 2: 2 07769 82.9576 273.5655 0018074 346.4477 68.0709 13.75141969532428
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 19’, on board a Kosmos-3M space rocket.
The launch took place on April 22, 1975, 9:10 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Zaliv 19
Agency: N/A
Status: Launch Successful
Launch date: April 22, 1975, 9:10 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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