THOR ABLESTAR DEB, 541
Orbit data source: Space-Track
THOR ABLESTAR DEB, 541 is space debris in LEO originally from a launch on Thu, 29 Jun 1961 UTC launched from the Air Force Eastern Test Range (AFETR). 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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541 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown shape, 0.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 THOR ABLESTAR DEB
1 541U 61015GA 26221.48885956 .00000098 00000-0 14352-3 0 9994
2 541 67.2177 276.6414 0082137 235.6434 123.6857 13.86405613279715Epoch: 2026-08-09T11:43Z
TLE epoch observation values (Epoch: 2026-08-09T11:43:57.465Z)
Latitude
-0.00003°
Longitude
142.66683°
Altitude
977.045 km
Speed
7.347 km/s
True Right ascension
18h 26m 33s
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
10:33:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
999.71 km
Perigee altitude
879.498 km
Semi-major axis
7,317.741 km
Eccentricity
0.00821
Inclination
67.2177°
RAAN
276.6414°
Arg. of periapsis
235.6434°
True anomaly
124.46442°
Mean anomaly
123.6857°
Eccentric anomaly
124.07551°
Mean motion
3.46719 °/min
Orbital period
103.83 mins
BSTAR
0.00014352
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Other satellites on launch #15 in the year 1961 (1961-06-29 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.THOR ABLESTAR 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-08-10 05:10:30.889Z | 197.81° SSW | 2026-08-10 05:15:30.889Z | 99.212° ESE | 43.985° | 2026-08-10 05:21:30.889Z | 31.929° NE |
| 8 mins | 2026-08-10 06:59:30.889Z | 277.475° WNW | 2026-08-10 07:02:30.889Z | 311.801° NW | 21.073° | 2026-08-10 07:07:30.889Z | 4.131° NNE |
| 5 mins | 2026-08-10 12:31:30.889Z | 18.046° NNE | 2026-08-10 12:33:30.889Z | 38.891° NE | 14.492° | 2026-08-10 12:36:30.889Z | 68.884° E |
| 10 mins | 2026-08-10 14:16:30.889Z | 338.03° N | 2026-08-10 14:21:30.889Z | 66.46° ENE | 43.149° | 2026-08-10 14:26:30.889Z | 141.778° SSE |
| 6 mins | 2026-08-10 16:04:30.889Z | 289.296° WNW | 2026-08-10 16:07:30.889Z | 256.347° W | 17.422° | 2026-08-10 16:10:30.889Z | 223.42° 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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