Key statistics
Satellite SL-8 R/B at a glance.
Uptime
18640
Days in orbit
Revolutions
≈ 12.7
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: 1974-069B
Object number (NORAD): 7426
Object ID (CCSDS): 7426
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 113.489 minutes
Inclination: 74.0573 deg
SMA: 7764.764 km
Apoapsis: 1421.442 km
Periapsis: 1351.816 km
RAAN: 175.9112 deg
Eccentricy: 0.00448347
Argument of periapsis: 293.1387 deg
Mean anomaly: 234.9883 deg
Mean motion: 12.68850164 rev/day
Mean motion (dot): -0.00000026 rev/day2
B* drag term: -0.000047859546 1/REarth
Two-line elements (TLE)
Creation date: Sept. 9, 2025, 10:35 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 9, 2025, 5:40 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 07426U 74069B 25252.23624135 -.00000026 00000-0 -47860-4 0 9996
TLE line 2: 2 07426 74.0573 175.9112 0044835 293.1387 234.9883 12.68850164748467
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
Associated space launch
The Sfera or Geoid series were the first soviet geodetic satellites to improve the accuracy of maps. The development of the satellites started in 1965 at NPO-PM.
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Sfera 12’, on board a Kosmos-3M space rocket.
The launch took place on Aug. 29, 1974, 2:54 p.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Sfera 12
Agency: N/A
Status: Launch Successful
Launch date: Aug. 29, 1974, 2:54 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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