Key statistics
Satellite SL-8 R/B at a glance.
Uptime
19439
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: 1972-062B
Object number (NORAD): 6149
Object ID (CCSDS): 6149
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.106 minutes
Inclination: 82.9685 deg
SMA: 7330.697 km
Apoapsis: 958.01 km
Periapsis: 947.114 km
RAAN: 79.7592 deg
Eccentricy: 0.0007432
Argument of periapsis: 306.7576 deg
Mean anomaly: 53.2902 deg
Mean motion: 13.83199624 rev/day
Mean motion (dot): 0.00000082 rev/day2
B* drag term: 0.000060663 1/REarth
Two-line elements (TLE)
Creation date: Nov. 4, 2025, 11:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 4, 2025, 7:45 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 6149U 72062B 25308.82338834 .00000082 00000-0 60663-4 0 9999
TLE line 2: 2 6149 82.9685 79.7592 0007432 306.7576 53.2902 13.83199624684576
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
Associated space launch
The Zaliv-GVM satellites were mass models of the Zaliv navigation satellites, which were launched as payload substitutes on some Kosmos-3M evaluation launches.
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Zaliv-GVM 3’, on board a Kosmos-3M space rocket.
The launch took place on Aug. 16, 1972, 1:40 p.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Zaliv-GVM 3
Agency: N/A
Status: Launch Successful
Launch date: Aug. 16, 1972, 1:40 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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