Key statistics
Satellite SL-3 R/B at a glance.
Uptime
18153
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: 102.172 minutes
Inclination: 81.2909 deg
SMA: 7239.603 km
Apoapsis: 885.992 km
Periapsis: 836.944 km
RAAN: 144.7066 deg
Eccentricy: 0.00338746
Argument of periapsis: 129.9787 deg
Mean anomaly: 230.4367 deg
Mean motion: 14.09388187 rev/day
Mean motion (dot): 0.00000222 rev/day2
B* drag term: 0.00011944852 1/REarth
Two-line elements (TLE)
Creation date: Sept. 6, 2025, 2:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 5, 2025, 9:13 p.m. UTC
TLE line 0: 0 SL-3 R/B
TLE line 1: 1 08520U 75124B 25248.88439468 .00000222 00000-0 11945-3 0 9994
TLE line 2: 2 08520 81.2909 144.7066 0033875 129.9787 230.4367 14.09388187553752
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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