COSMOS 252 DEB, 3557
Orbit data source: Space-Track
COSMOS 252 DEB, 3557 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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3557 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown shape, 0.2 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 1 week ago
TLE from 1 week ago
0 COSMOS 252 DEB
1 3557U 68097K 26154.49177345 .00000431 00000-0 20154-3 0 9991
2 3557 62.3178 296.7987 0813491 247.3569 103.9480 13.24357630752394Epoch: 2026-06-03T11:48Z
TLE epoch observation values (Epoch: 2026-06-03T11:48:09.226Z)
Latitude
0.00005°
Longitude
-132.18934°
Altitude
1,363.262 km
Speed
7.085 km/s
True Right ascension
19h 47m 11s
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
13:28:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,780.884 km
Perigee altitude
553.29 km
Semi-major axis
7,545.224 km
Eccentricity
0.08135
Inclination
62.3178°
RAAN
296.7987°
Arg. of periapsis
247.3569°
True anomaly
112.74386°
Mean anomaly
103.948°
Eccentric anomaly
108.37141°
Mean motion
3.31158 °/min
Orbital period
108.71 mins
BSTAR
0.00020154
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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. |
|---|---|---|---|---|---|---|---|
| 18 mins | 2026-06-10 08:47:13.284Z | 178.347° S | 2026-06-10 08:55:13.284Z | 118.125° SE | 34.743° | 2026-06-10 09:05:13.284Z | 46.14° ENE |
| 18 mins | 2026-06-10 10:40:13.284Z | 235.725° WSW | 2026-06-10 10:48:13.284Z | 308.411° NW | 41.36° | 2026-06-10 10:58:13.284Z | 31.088° NE |
| 15 mins | 2026-06-10 12:36:13.284Z | 286.549° WNW | 2026-06-10 12:43:13.284Z | 332.198° NNW | 24.28° | 2026-06-10 12:51:13.284Z | 26.093° NE |
| 12 mins | 2026-06-10 14:35:13.284Z | 328.342° NNW | 2026-06-10 14:40:13.284Z | 359.705° N | 18.798° | 2026-06-10 14:47:13.284Z | 45.755° ENE |
| 14 mins | 2026-06-10 16:30:13.284Z | 337.167° NNW | 2026-06-10 16:37:13.284Z | 29.768° NE | 27.998° | 2026-06-10 16:44:13.284Z | 88.937° E |
| 15 mins | 2026-06-10 18:23:13.284Z | 324.239° NNW | 2026-06-10 18:31:13.284Z | 325.564° NNW | 44.907° | 2026-06-10 18:38:13.284Z | 146.569° SSE |
| 9 mins | 2026-06-10 20:18:13.284Z | 292.133° WNW | 2026-06-10 20:22:13.284Z | 262.008° W | 18.456° | 2026-06-10 20:27:13.284Z | 218.284° SW |
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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