PEGASUS DEB, 39921
Orbit data source: Space-Track
PEGASUS DEB, 39921 is space debris in LEO originally from a launch on Thu, 19 May 1994 UTC launched from the Air Force Western Test Range (AFWTR). 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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39921 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
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 1 month ago
TLE from 1 month ago
0 PEGASUS DEB
1 39921U 94029AFU 26188.74234965 .00001390 00000-0 37189-3 0 9997
2 39921 81.5333 198.0784 0368350 276.2731 79.6615 14.14576418 48051Epoch: 2026-07-07T17:48Z
TLE epoch observation values (Epoch: 2026-07-07T17:48:59.009Z)
Latitude
-0.00006°
Longitude
5.12391°
Altitude
808.495 km
Speed
7.469 km/s
True Right ascension
13h 12m 18s
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
13:15:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,106.815 km
Perigee altitude
574.989 km
Semi-major axis
7,219.039 km
Eccentricity
0.03684
Inclination
81.5333°
RAAN
198.0784°
Arg. of periapsis
276.2731°
True anomaly
83.84481°
Mean anomaly
79.6615°
Eccentric anomaly
81.75015°
Mean motion
3.53854 °/min
Orbital period
101.74 mins
BSTAR
0.00037189
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Other satellites on launch #29 in the year 1994 (1994-05-19 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.PEGASUS 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-08-16 07:21:05.755Z | 357.556° N | 2026-08-16 07:25:05.755Z | 118.995° SE | 41.71° | 2026-08-16 07:28:05.755Z | 162.291° S |
| 4 mins | 2026-08-16 18:48:05.755Z | 103.607° ESE | 2026-08-16 18:50:05.755Z | 83.678° E | 13.473° | 2026-08-16 18:52:05.755Z | 63.233° ENE |
| 10 mins | 2026-08-16 20:27:05.755Z | 190.516° SSW | 2026-08-16 20:32:05.755Z | 269.733° W | 44.828° | 2026-08-16 20:37:05.755Z | 6.793° NNE |
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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