COSMOS 839 DEB, 10451

Orbit data source: Space-Track

COSMOS 839 DEB, 10451 is space debris in LEO originally from a launch on Thu, 08 Jul 1976 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). 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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Identifier
10451, 1976-067AC
Orbit
LEO
Last TLE update
1 day ago
Origin
Manufacturer
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
1976-07-08 (49 years ago)
Launch vehicle
Unknown
Launch site
Plesetsk Missile And Space Complex (PKMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history

TLE from 1 day ago
0 COSMOS 839 DEB
1 10451U 76067AC  25167.12611327 -.00000050  00000-0  18619-4 0  9996
2 10451  65.8528  74.3256 0778749 249.7900 101.7755 12.45879240225273
Epoch: 2025-06-16T03:01Z
TLE epoch observation values (Epoch: 2025-06-16T03:01:36.186Z)
Latitude
-0.00006°
Longitude
124.28346°
Altitude
1,653.014 km
Speed
6.97 km/s
True Right ascension
04h 57m 18s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-31.38436°
Longitude
106.27866°
Altitude
1,301.417 km
Speed
7.293 km/s
Apparent Right ascension
04h 04m 55s
Apparent Declination
-35° 13' 22"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
16:31:14
Azimuth
50.073° ENE
Elevation
-82.987°
Doppler factor
1
Orbital elements
Apogee altitude
2,092.356 km
Perigee altitude
868.395 km
Semi-major axis
7,858.513 km
Eccentricity
0.07787
Inclination
65.8528°
RAAN
74.3256°
Arg. of periapsis
249.79°
True anomaly
Unknown
Mean anomaly
101.7755°
Eccentric anomaly
Unknown
Mean motion
3.11554 °/min
Orbital period
115.55 mins
BSTAR
0.000018619
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COSMOS 839 DEB 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.
9 mins2025-06-17 06:45:45.280Z297.339° NW2025-06-17 06:50:45.280Z266.834° W15.645°2025-06-17 06:54:45.280Z238.687° WSW
17 mins2025-06-17 17:39:45.280Z150.664° SSE2025-06-17 17:46:45.280Z102.497° ESE28.023°2025-06-17 17:56:45.280Z45.829° ENE
22 mins2025-06-17 19:35:45.280Z216.499° SW2025-06-17 19:45:45.280Z315.337° NNW44.322°2025-06-17 19:57:45.280Z29.369° NE
18 mins2025-06-17 21:38:45.280Z273.913° WNW2025-06-17 21:47:45.280Z329.654° NNW26.778°2025-06-17 21:56:45.280Z21.575° NNE
13 mins2025-06-17 23:45:45.280Z322.581° NNW2025-06-17 23:51:45.280Z354.216° N17.186°2025-06-17 23:58:45.280Z33.022° NE
15 mins2025-06-18 01:49:45.280Z342.555° N2025-06-18 01:56:45.280Z24.76° NE23.756°2025-06-18 02:04:45.280Z78.808° E
18 mins2025-06-18 03:49:45.280Z333.538° NNW2025-06-18 03:58:45.280Z37.367° NE43.017°2025-06-18 04:07:45.280Z138.074° SSE
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