DELTA 1 DEB, 21320
Orbit data source: Space-Track
DELTA 1 DEB, 21320 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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21320 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
Radar Cross Section
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 DELTA 1 DEB
1 21320U 75052AN 25259.13175735 .00000346 00000-0 39373-3 0 9993
2 21320 99.5396 134.2924 0128555 97.6697 54.3430 13.73573707717935Epoch: 2025-09-16T03:09Z
TLE epoch observation values (Epoch: 2025-09-16T03:09:43.835Z)
Latitude
26.4162°
Longitude
-83.7031°
Altitude
935.512 km
Speed
7.414 km/s
True Right ascension
21h 16m 13s
True Declination
26° 16' 58"
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
06:37:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,078.674 km
Perigee altitude
889.385 km
Semi-major axis
7,362.167 km
Eccentricity
0.01286
Inclination
99.5396°
RAAN
134.2924°
Arg. of periapsis
97.6697°
True anomaly
55.55118°
Mean anomaly
54.343°
Eccentric anomaly
54.94596°
Mean motion
3.43585 °/min
Orbital period
104.78 mins
BSTAR
0.00039373
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-09-16 14:48:09.535Z | 126.454° SE | 2025-09-16 14:53:09.535Z | 58.572° ENE | 29.479° | 2025-09-16 14:57:09.535Z | 7.441° NNE |
| 9 mins | 2025-09-16 16:32:09.535Z | 206.513° SW | 2025-09-16 16:36:09.535Z | 262.293° W | 28.818° | 2025-09-16 16:41:09.535Z | 324.888° NNW |
| 7 mins | 2025-09-17 03:32:09.535Z | 58.362° ENE | 2025-09-17 03:35:09.535Z | 97.382° ESE | 20.253° | 2025-09-17 03:39:09.535Z | 142.074° SSE |
| 9 mins | 2025-09-17 05:15:09.535Z | 355.815° N | 2025-09-17 05:18:09.535Z | 306.747° NW | 37.455° | 2025-09-17 05:24:09.535Z | 216.311° 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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