SL-12 R/B(2), 20266
Orbit data source: Space-Track
SL-12 R/B(2), 20266 is space debris in GEO originally from a launch on Thu, 28 Sep 1989 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.
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20266 intel report (Beta)
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Edit Public Description
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 SL-12 R/B(2)
1 20266U 89081D 25260.34211632 .00000036 00000-0 00000-0 0 9998
2 20266 12.1863 334.7134 0026602 123.4776 241.9544 1.00612275116618
Epoch: 2025-09-17T08:12Z
TLE epoch observation values (Epoch: 2025-09-17T08:12:38.85Z)
Latitude
1.08234°
Longitude
-139.92211°
Altitude
35,743.797 km
Speed
3.074 km/s
True Right ascension
22h 39m 02s
True Declination
1° 04' 52"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
13:42:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,804.331 km
Perigee altitude
35,580.499 km
Semi-major axis
42,070.552 km
Eccentricity
0.00266
Inclination
12.1863°
RAAN
334.7134°
Arg. of periapsis
123.4776°
True anomaly
241.68578°
Mean anomaly
241.9544°
Eccentric anomaly
241.82005°
Mean motion
0.25152 °/min
Orbital period
1,431.29 mins
BSTAR
0
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Other satellites on launch #81 in the year 1989 (1989-09-28 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SL-12 R/B(2) Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
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1440 mins | 2025-09-18 20:50:48.099Z | 222.344° SW | 2025-09-19 14:00:48.099Z | 233.934° WSW | 34.966° | 2025-09-19 20:50:48.099Z | 220.782° SW |
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20266 neighbors
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Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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