SL-12 R/B(2), 20502

Orbit data source: Space-Track

SL-12 R/B(2), 20502 is space debris in GEO originally from a launch on Thu, 15 Feb 1990 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

Not visible in the next 10 days
Identifier
20502, 1990-016D
Orbit
GEO
Last TLE update
18 hours ago
Origin
Manufacturer
NPO Energiya
Mission
Spacecraft
Bus & Motor
BLOK DM, Unknown motor
Mass
2,440 kg wet, 2,440 kg dry
Launch date (UTC)
1990-02-15 (35 years ago)
Launch vehicle
Unknown
Launch site
Tyuratam Missile And Space Complex (TTMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl, 6.27 m
Radar Cross Section
23.597 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 18 hours ago
0 SL-12 R/B(2)
1 20502U 90016D   25191.63403331 -.00000025  00000-0  00000-0 0  9994
2 20502  12.8120 337.5519 0041214 234.4151 121.8801  1.00039451129343
Epoch: 2025-07-10T15:13Z
TLE epoch observation values (Epoch: 2025-07-10T15:13:00.478Z)
Latitude
-0.74554°
Longitude
177.26647°
Altitude
35,942.969 km
Speed
3.066 km/s
True Right ascension
22h 17m 15s
True Declination
0° 44' 41"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-12.75905°
Longitude
84.15901°
Altitude
35,702.695 km
Speed
3.083 km/s
Apparent Right ascension
15h 37m 30s
Apparent Declination
-18° 18' 27"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
21:19:24
Azimuth
253.022° W
Elevation
-8.288°
Doppler factor
1
Orbital elements
Apogee altitude
36,026.895 km
Perigee altitude
35,678.794 km
Semi-major axis
42,230.982 km
Eccentricity
0.00412
Inclination
12.812°
RAAN
337.5519°
Arg. of periapsis
234.4151°
True anomaly
Unknown
Mean anomaly
121.8801°
Eccentric anomaly
Unknown
Mean motion
0.25009 °/min
Orbital period
1,439.48 mins
BSTAR
0
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SL-12 R/B(2) Visibility

Observer location: undefined°, undefined°

SL-12 R/B(2) is likely not visible in the next few days
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