Key statistics
Satellite SL-3 R/B at a glance.
Uptime
17678
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: 1977-024B
Object number (NORAD): 9904
Object ID (CCSDS): 9904
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 102.326 minutes
Inclination: 81.2615 deg
SMA: 7246.885 km
Apoapsis: 907.528 km
Periapsis: 829.973 km
RAAN: 115.7453 deg
Eccentricy: 0.00535094
Argument of periapsis: 172.6855 deg
Mean anomaly: 187.5108 deg
Mean motion: 14.07264306 rev/day
Mean motion (dot): 0.00000072 rev/day2
B* drag term: 0.000035078036 1/REarth
Two-line elements (TLE)
Creation date: Aug. 29, 2025, 2:15 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 28, 2025, 7:41 p.m. UTC
TLE line 0: 0 SL-3 R/B
TLE line 1: 1 09904U 77024B 25240.82034706 .00000072 00000-0 35078-4 0 9991
TLE line 2: 2 09904 81.2615 115.7453 0053509 172.6855 187.5108 14.07264306483669
Live tracking on map
Real-time ground track for satellite 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 27 (39L)’, on board a Vostok 8A92M space rocket.
The launch took place on April 5, 1977, 2:05 a.m. from 43/3 (43L).
For more information about the launch, click the button.
Vostok 8A92M | Meteor-1 27 (39L)
Agency: N/A
Status: Launch Successful
Launch date: April 5, 1977, 2:05 a.m. UTC
Rocket: Vostok 8A92M
Launch pad: 43/3 (43L)
Location: Plesetsk Cosmodrome, Russian Federation
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