SL-12 R/B(2), 15581
Orbit data source: Space-Track
SL-12 R/B(2), 15581 is space debris in GEO originally from a launch on Thu, 21 Feb 1985 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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15581 intel report (Beta)
SL-12 R/B(2) details
Identifier | |
Orbit | GEO |
Last TLE update | 22 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) | |
Launch vehicle | Unknown |
Launch site | |
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 22 hours ago
0 SL-12 R/B(2)
1 15581U 85016F 25035.36780764 .00000062 00000-0 00000-0 0 9994
2 15581 10.5338 319.5737 0025265 243.4098 308.3156 0.99402161116980
Epoch: 2025-02-04T08:49Z
Definitive object data (Epoch: 2025-02-04T08:49:38.58Z)
Latitude | -2.08125° |
Longitude | -116.27674° |
Altitude | 35,965.647 km |
Speed | 3.071 km/s |
True Right ascension | 10h 03m 37s |
True Declination | -2° 04' 45" |
Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
Latitude | 3.16519° |
Longitude | -144.83594° |
Altitude | 36,013.906 km |
Speed | 3.067 km/s |
Apparent Right ascension | 08h 02m 20s |
Apparent Declination | -2° 38' 21" |
Sunlit | Object is in daylight |
Visualization observer readout
Local Sidereal Time | 09:03:59 |
Azimuth | 202.115° SSW |
Elevation | 45.16° |
Doppler factor | 1 |
Orbital elements
Apogee altitude | 36,140.322 km |
Perigee altitude | 35,926.018 km |
Semi-major axis | 42,411.307 km |
Eccentricity | 0.0025265 |
Inclination | 10.5338° |
RAAN | 319.5737° |
Arg. of periapsis | 243.4098° |
True anomaly | 308.088° |
Mean anomaly | 308.3156° |
Eccentric anomaly | 308.20184° |
Mean motion | 0.2485 °/min |
BSTAR | Unknown |
Orbital period | 1448.71 mins |
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15581 neighbors
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Other satellites on launch #16 in the year 1985 (1985-02-21 UTC)
COSMOS 1629, 15574 |
SL-12 R/B(1), 15575 (Decayed) |
SL-12 PLAT, 15576 (Decayed) |
SL-12 R/B(AUX MOTOR), 15577 (Decayed) |
SL-12 R/B(AUX MOTOR), 15578 (Decayed) |
SL-12 R/B(2), 15581 |
SL-12 R/B(2) Visibility forecast
Observer location: undefined°, undefined
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. |
---|---|---|---|---|---|---|---|
1440 mins | 2025-02-05 07:01:43.080Z | 202.106° SSW | 2025-02-06 02:22:43.080Z | 210.654° SW | 38.223° | 2025-02-06 07:01:43.080Z | 206.953° SW |
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