Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
7563
Days in orbit
Revolutions
≈ 2.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
64.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-12 R/B(2).
Object identification
Identified? True
Debris? False
Object name: SL-12 R/B(2)
International designator: 2004-053E
Object number (NORAD): 28512
Object ID (CCSDS): 28512
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 675.058 minutes
Inclination: 64.0376 deg
SMA: 25491.037 km
Apoapsis: 19174.404 km
Periapsis: 19051.4 km
RAAN: 69.5715 deg
Eccentricy: 0.0024127
Argument of periapsis: 230.7812 deg
Mean anomaly: 127.5802 deg
Mean motion: 2.13315055 rev/day
Mean motion (dot): 0.00000028 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Sept. 9, 2025, 4:47 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 6:24 p.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 28512U 04053E 25251.76706988 .00000028 00000-0 00000-0 0 9996
TLE line 2: 2 28512 64.0376 69.5715 0024127 230.7812 127.5802 2.13315055161286
Live tracking on map
Real-time ground track for satellite SL-12 R/B(2).
Associated space launch
GLONASS navigation satellites
SL-12 R/B(2) was lifted into orbit during the mission ‘Proton | Uragan 85, 86 & Uragan-M 3’, on board a Proton space rocket.
The launch took place on Dec. 26, 2004, 1:53 p.m. from 200/39 (200L).
For more information about the launch, click the button.
Proton | Uragan 85, 86 & Uragan-M 3
Agency: N/A
Status: Launch Successful
Launch date: Dec. 26, 2004, 1:53 p.m. UTC
Rocket: Proton
Launch pad: 200/39 (200L)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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