DELTA 1 DEB, 21288
Orbit data source: Space-Track
DELTA 1 DEB, 21288 is space debris in SSO originally from a launch on Thu, 12 Jun 1975 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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21288 intel report (Beta)
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Edit Public Description
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, 0.3 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 DELTA 1 DEB
1 21288U 75052Z 25295.43710824 .00000073 00000-0 39269-3 0 9994
2 21288 99.6629 254.4014 0355962 344.4119 130.7002 12.75695607604719Epoch: 2025-10-22T10:29Z
TLE epoch observation values (Epoch: 2025-10-22T10:29:26.151Z)
Latitude
60.48636°
Longitude
-96.65128°
Altitude
1,554.092 km
Speed
7.01 km/s
True Right ascension
06h 07m 16s
True Declination
60° 21' 13"
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
12:09:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,631.534 km
Perigee altitude
1,080.906 km
Semi-major axis
7,734.357 km
Eccentricity
0.0356
Inclination
99.6629°
RAAN
254.4014°
Arg. of periapsis
344.4119°
True anomaly
133.70397°
Mean anomaly
130.7002°
Eccentric anomaly
132.21082°
Mean motion
3.19085 °/min
Orbital period
112.82 mins
BSTAR
0.00039269
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Other satellites on launch #52 in the year 1975 (1975-06-12 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.DELTA 1 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-10-22 19:28:17.067Z | 91.65° ESE | 2025-10-22 19:32:17.067Z | 56.122° ENE | 17.116° | 2025-10-22 19:36:17.067Z | 20.671° NNE |
| 12 mins | 2025-10-22 21:17:17.067Z | 164.836° S | 2025-10-22 21:22:17.067Z | 184.148° SSW | 44.814° | 2025-10-22 21:29:17.067Z | 344.814° N |
| 4 mins | 2025-10-22 23:13:17.067Z | 259.057° W | 2025-10-22 23:15:17.067Z | 277.081° WNW | 12.766° | 2025-10-22 23:17:17.067Z | 294.242° NW |
| 14 mins | 2025-10-23 09:06:17.067Z | 38.677° NE | 2025-10-23 09:12:17.067Z | 90.779° ESE | 30.151° | 2025-10-23 09:20:17.067Z | 156.224° SSE |
| 15 mins | 2025-10-23 10:57:17.067Z | 2.696° NNE | 2025-10-23 11:04:17.067Z | 282.189° WNW | 40.069° | 2025-10-23 11:12:17.067Z | 217.849° SW |
| 5 mins | 2025-10-23 12:51:17.067Z | 324.739° NNW | 2025-10-23 12:53:17.067Z | 310.575° NW | 13.108° | 2025-10-23 12:56:17.067Z | 290.238° WNW |
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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