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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SL-12 R/B(2) details
Identifier
15581, 1985-016F
Orbit
GEO
Last TLE update22 hours ago
Origin
Flag of CISRVSN (CIS)
ManufacturerNPO Energiya
MissionSpacecraft
Bus & MotorBLOK DM, Unknown motor
Mass2,440 kg wet, 2,440 kg dry
Launch date (UTC)
1985-02-21 (40 years ago)
Launch vehicleUnknown
Launch site
Tyuratam Missile And Space Complex (TTMTR)
Object type
Payload
Rocket body
Debris
Shape & HBRCyl, 6.27 m
Radar Cross Section23.597 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°
Altitude35,965.647 km
Speed3.071 km/s
True Right ascension10h 03m 37s
True Declination-2° 04' 45"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude3.16519°
Longitude-144.83594°
Altitude36,013.906 km
Speed3.067 km/s
Apparent Right ascension08h 02m 20s
Apparent Declination-2° 38' 21"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time09:03:59
Azimuth202.115° SSW
Elevation45.16°
Doppler factor1
Orbital elements
Apogee altitude36,140.322 km
Perigee altitude35,926.018 km
Semi-major axis42,411.307 km
Eccentricity0.0025265
Inclination10.5338°
RAAN319.5737°
Arg. of periapsis243.4098°
True anomaly308.088°
Mean anomaly308.3156°
Eccentric anomaly308.20184°
Mean motion0.2485 °/min
BSTARUnknown
Orbital period1448.71 mins
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15581 neighbors
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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 mins2025-02-05 07:01:43.080Z202.106° SSW2025-02-06 02:22:43.080Z210.654° SW38.223°2025-02-06 07:01:43.080Z206.953° SW
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