Key statistics
Satellite SL-8 R/B at a glance.
Uptime
19579
Days in orbit
Revolutions
≈ 13.8
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: 1972-035B
Object number (NORAD): 6020
Object ID (CCSDS): 6020
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.413 minutes
Inclination: 74.0197 deg
SMA: 7345.076 km
Apoapsis: 981.761 km
Periapsis: 952.12 km
RAAN: 133.7895 deg
Eccentricy: 0.00201776
Argument of periapsis: 142.2304 deg
Mean anomaly: 328.0739 deg
Mean motion: 13.7914 rev/day
Mean motion (dot): -0.0000006 rev/day2
B* drag term: -0.000036642799 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 11, 2025, 8:34 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 06020U 72035B 25345.85740206 -.00000060 00000-0 -36643-4 0 9990
TLE line 2: 2 06020 74.0197 133.7895 0020178 142.2304 328.0739 13.79140000696163
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object 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 11’, on board a Kosmos-3M space rocket.
The launch took place on May 6, 1972, 11:24 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Zaliv 11
Agency: N/A
Status: Launch Successful
Launch date: May 6, 1972, 11:24 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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