Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
7610
Days in orbit
Revolutions
≈ 2.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
64.1
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: 64.0664 deg
SMA: 25491.031 km
Apoapsis: 19175.411 km
Periapsis: 19050.381 km
RAAN: 67.8791 deg
Eccentricy: 0.00245243
Argument of periapsis: 231.145 deg
Mean anomaly: 126.4818 deg
Mean motion: 2.13315125 rev/day
Mean motion (dot): 0.00000006 rev/day2
B* drag term: 0.0 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, 1:59 p.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 28512U 04053E 25299.58275707 .00000006 00000-0 00000-0 0 9994
TLE line 2: 2 28512 64.0664 67.8791 0024524 231.1450 126.4818 2.13315125162302
Live tracking on map
Real-time ground track for satellite SL-12 R/B(2).
In-orbit conjunctions
A list of the most updated potential collisions computed for object 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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