COSMOS 252 DEB, 3555
Orbit data source: Space-Track
COSMOS 252 DEB, 3555 is space debris in LEO originally from a launch on Fri, 01 Nov 1968 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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3555 intel report (Beta)
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Edit Public Description
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 COSMOS 252 DEB
1 03555U 68097H 25255.96300789 -.00000089 00000-0 10922-4 0 9995
2 03555 62.3111 256.2339 0920627 115.7021 254.1918 13.08193354700539
Epoch: 2025-09-12T23:06Z
TLE epoch observation values (Epoch: 2025-09-12T23:06:43.881Z)
Latitude
-0.00003°
Longitude
-82.65214°
Altitude
1,479.919 km
Speed
7.007 km/s
True Right ascension
17h 04m 56s
True Declination
0° 00' 00"
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
20:31:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,929.473 km
Perigee altitude
528.783 km
Semi-major axis
7,607.265 km
Eccentricity
0.09206
Inclination
62.3111°
RAAN
256.2339°
Arg. of periapsis
115.7021°
True anomaly
244.39779°
Mean anomaly
254.1918°
Eccentric anomaly
249.25886°
Mean motion
3.27115 °/min
Orbital period
110.05 mins
BSTAR
0.000010922
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Other satellites on launch #97 in the year 1968 (1968-11-01 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.COSMOS 252 DEB 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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7 mins | 2025-09-13 10:41:06.094Z | 325.713° NNW | 2025-09-13 10:44:06.094Z | 108.457° ESE | 44.842° | 2025-09-13 10:48:06.094Z | 144.351° SSE |
9 mins | 2025-09-14 00:55:06.094Z | 171.65° S | 2025-09-14 01:00:06.094Z | 113.861° SE | 28.4° | 2025-09-14 01:04:06.094Z | 61.625° ENE |
10 mins | 2025-09-14 02:48:06.094Z | 242.762° WSW | 2025-09-14 02:53:06.094Z | 300.06° NW | 33.708° | 2025-09-14 02:58:06.094Z | 20.801° NNE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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