Key statistics
Satellite SL-3 R/B at a glance.
Uptime
18092
Days in orbit
Revolutions
≈ 14.1
Per day
Orbit
LEO
Low Earth Orbit
Inclination
81.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-3 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-3 R/B
International designator: 1975-124B
Object number (NORAD): 8520
Object ID (CCSDS): 8520
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 102.173 minutes
Inclination: 81.2873 deg
SMA: 7239.636 km
Apoapsis: 885.133 km
Periapsis: 837.869 km
RAAN: 204.0311 deg
Eccentricy: 0.0032643
Argument of periapsis: 309.7155 deg
Mean anomaly: 50.1139 deg
Mean motion: 14.09378557 rev/day
Mean motion (dot): -0.00000022 rev/day2
B* drag term: -0.000019654 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, 1:06 p.m. UTC
TLE line 0: 0 SL-3 R/B
TLE line 1: 1 08520U 75124B 25187.54648632 -.00000022 00000-0 -19654-4 0 9990
TLE line 2: 2 08520 81.2873 204.0311 0032643 309.7155 50.1139 14.09378557545119
Live tracking on map
Real-time ground track for satellite SL-3 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-3 R/B.
Associated space launch
The Meteor-1 series was the first series of Soviet meteorological satellites.
SL-3 R/B was lifted into orbit during the mission ‘Vostok 8A92M | Meteor-1 23 (38L)’, on board a Vostok 8A92M space rocket.
The launch took place on Dec. 25, 1975, 7 p.m. from 41/1.
For more information about the launch, click the button.
Vostok 8A92M | Meteor-1 23 (38L)
Agency: N/A
Status: Launch Successful
Launch date: Dec. 25, 1975, 7 p.m. UTC
Rocket: Vostok 8A92M
Launch pad: 41/1
Location: Plesetsk Cosmodrome, Russian Federation
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