DELTA 1 DEB, 21570
Orbit data source: Space-Track
DELTA 1 DEB, 21570 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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21570 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, 0.1 m
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 21570U 75052HQ 25361.53855373 .00003892 00000-0 21232-1 0 9993
2 21570 99.5415 220.4499 0687316 56.8019 9.7062 12.08973948327322Epoch: 2025-12-27T12:55Z
TLE epoch observation values (Epoch: 2025-12-27T12:55:31.042Z)
Latitude
66.16113°
Longitude
-91.92949°
Altitude
1,110.081 km
Speed
7.547 km/s
True Right ascension
13h 12m 51s
True Declination
66° 02' 23"
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
23:35:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,189.388 km
Perigee altitude
1,087.409 km
Semi-major axis
8,016.536 km
Eccentricity
0.06873
Inclination
99.5415°
RAAN
220.4499°
Arg. of periapsis
56.8019°
True anomaly
11.15626°
Mean anomaly
9.7062°
Eccentric anomaly
10.41833°
Mean motion
3.02387 °/min
Orbital period
119.05 mins
BSTAR
0.021232
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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. |
|---|---|---|---|---|---|---|---|
| 17 mins | 2025-12-28 03:04:04.448Z | 23.749° NE | 2025-12-28 03:12:04.448Z | 108.732° ESE | 39.934° | 2025-12-28 03:21:04.448Z | 178.47° S |
| 12 mins | 2025-12-28 05:04:04.448Z | 344.251° N | 2025-12-28 05:09:04.448Z | 291.792° WNW | 28.17° | 2025-12-28 05:16:04.448Z | 239.915° WSW |
| 12 mins | 2025-12-28 14:31:04.448Z | 158.796° S | 2025-12-28 14:37:04.448Z | 34.138° NE | 44.405° | 2025-12-28 14:43:04.448Z | 347.786° N |
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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