Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
8231
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
OTHER
Other
Inclination
12.5
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: 2003-015F
Object number (NORAD): 27780
Object ID (CCSDS): 27780
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 1434.994 minutes
Inclination: 12.4964 deg
SMA: 42143.151 km
Apoapsis: 35799.898 km
Periapsis: 35730.134 km
RAAN: 22.0203 deg
Eccentricy: 0.0008277
Argument of periapsis: 37.1925 deg
Mean anomaly: 332.595 deg
Mean motion: 1.00348818 rev/day
Mean motion (dot): -0.00000359 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Nov. 3, 2025, 11:26 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 3, 2025, 3:48 p.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 27780U 03015F 25307.65835911 -.00000359 00000-0 00000+0 0 9995
TLE line 2: 2 27780 12.4964 22.0203 0008277 37.1925 332.5950 1.00348818 82248
Live tracking on map
Real-time ground track for satellite SL-12 R/B(2).
Associated space launch
Second generation early warning satellite
SL-12 R/B(2) was lifted into orbit during the mission ‘Proton | US-KMO 6’, on board a Proton space rocket.
The launch took place on April 24, 2003, 4:23 a.m. from 81/24 (81P).
For more information about the launch, click the button.
Proton | US-KMO 6
Agency: N/A
Status: Launch Successful
Launch date: April 24, 2003, 4:23 a.m. UTC
Rocket: Proton
Launch pad: 81/24 (81P)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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