Key statistics
Satellite SL-8 R/B at a glance.
Uptime
18499
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: 82.9624 deg
SMA: 7359.269 km
Apoapsis: 994.476 km
Periapsis: 967.792 km
RAAN: 232.7443 deg
Eccentricy: 0.00181291
Argument of periapsis: 183.6906 deg
Mean anomaly: 289.8692 deg
Mean motion: 13.7515215 rev/day
Mean motion (dot): 0.00000091 rev/day2
B* drag term: 0.000078667737 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 5:33 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 07769U 75034B 25346.23133248 .00000091 00000-0 78668-4 0 9993
TLE line 2: 2 07769 82.9624 232.7443 0018129 183.6906 289.8692 13.75152150540015
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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