Key statistics
Satellite SL-8 R/B at a glance.
Uptime
18687
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: 113.488 minutes
Inclination: 74.0534 deg
SMA: 7764.747 km
Apoapsis: 1421.148 km
Periapsis: 1352.076 km
RAAN: 110.3861 deg
Eccentricy: 0.00444779
Argument of periapsis: 219.6858 deg
Mean anomaly: 294.9368 deg
Mean motion: 12.68854441 rev/day
Mean motion (dot): -0.00000028 rev/day2
B* drag term: -0.000059563368 1/REarth
Two-line elements (TLE)
Creation date: Oct. 27, 2025, 2:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 26, 2025, 10:19 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 07426U 74069B 25299.93045976 -.00000028 00000-0 -59563-4 0 9999
TLE line 2: 2 07426 74.0534 110.3861 0044478 219.6858 294.9368 12.68854441754516
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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