Key statistics
Satellite SL-8 R/B at a glance.
Uptime
19767
Days in orbit
Revolutions
≈ 13.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
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: 1971-046B
Object number (NORAD): 5239
Object ID (CCSDS): 5239
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.804 minutes
Inclination: 74.0257 deg
SMA: 7363.4 km
Apoapsis: 993.749 km
Periapsis: 976.781 km
RAAN: 304.7756 deg
Eccentricy: 0.0011522
Argument of periapsis: 319.428 deg
Mean anomaly: 157.539 deg
Mean motion: 13.73995074 rev/day
Mean motion (dot): 0.00000005 rev/day2
B* drag term: 0.000028883 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 3:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 3, 2025, 7:43 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 05239U 71046B 25184.82168235 .00000005 00000-0 28883-4 0 9990
TLE line 2: 2 05239 74.0257 304.7756 0011522 319.4280 157.5390 13.73995074712903
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 8’, on board a Kosmos-3M space rocket.
The launch took place on May 22, 1971, 12:51 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Zaliv 8
Agency: N/A
Status: Launch Successful
Launch date: May 22, 1971, 12:51 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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