Key statistics
Satellite SL-8 R/B at a glance.
Uptime
19372
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.1
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: 1972-043B
Object number (NORAD): 6061
Object ID (CCSDS): 6061
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 99.867 minutes
Inclination: 74.055 deg
SMA: 7130.288 km
Apoapsis: 766.974 km
Periapsis: 737.332 km
RAAN: 145.2862 deg
Eccentricy: 0.0020786
Argument of periapsis: 258.3466 deg
Mean anomaly: 101.5358 deg
Mean motion: 14.41923326 rev/day
Mean motion (dot): 0.0000015 rev/day2
B* drag term: 0.000053699 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 7:32 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 06061U 72043B 25187.31416725 .00000150 00000-0 53699-4 0 9993
TLE line 2: 2 06061 74.0550 145.2862 0020786 258.3466 101.5358 14.41923326781623
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 soviet Zenit-4M (Rotor, 11F691) was an improved version of the Zenit-4 high resolution reconnaissance satellite and was part of the Vostok-based Zenit-family.
SL-8 R/B was lifted into orbit during the mission ‘Voskhod | Zenit-4M 37’, on board a Voskhod space rocket.
The launch took place on June 23, 1972, 11:19 a.m. from 43/3 (43L).
For more information about the launch, click the button.
Voskhod | Zenit-4M 37
Agency: N/A
Status: Launch Successful
Launch date: June 23, 1972, 11:19 a.m. UTC
Rocket: Voskhod
Launch pad: 43/3 (43L)
Location: Plesetsk Cosmodrome, Russian Federation
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