DELTA 1 DEB, 21291

Orbit data source: Space-Track

DELTA 1 DEB, 21291 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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Identifier
21291, 1975-052AC
Orbit
SSO
Last TLE update
9 hours ago
Origin
Manufacturer
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
1975-06-12 (50 years ago)
Launch vehicle
Unknown
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Unknown
Radar Cross Section
Small (<0.1 m²)

Expand to show TLE details & history

TLE from 9 hours ago
0 DELTA 1 DEB
1 21291U 75052AC  25181.92228916  .00000338  00000-0  32997-3 0  9997
2 21291  99.8460 324.0243 0136674 246.0288 236.8756 13.82997838719088
Epoch: 2025-06-30T22:08Z
TLE epoch observation values (Epoch: 2025-06-30T22:08:05.783Z)
Latitude
57.14649°
Longitude
-91.7172°
Altitude
1,018.489 km
Speed
7.32 km/s
True Right ascension
10h 38m 07s
True Declination
56° 59' 42"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
53.08682°
Longitude
-93.55762°
Altitude
1,009.729 km
Speed
7.328 km/s
Apparent Right ascension
08h 22m 55s
Apparent Declination
12° 39' 49"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
18:28:05
Azimuth
326.838° NNW
Elevation
-31.042°
Doppler factor
1
Orbital elements
Apogee altitude
1,050.701 km
Perigee altitude
850.373 km
Semi-major axis
7,328.674 km
Eccentricity
0.01367
Inclination
99.846°
RAAN
324.0243°
Arg. of periapsis
246.0288°
True anomaly
Unknown
Mean anomaly
236.8756°
Eccentric anomaly
Unknown
Mean motion
3.45943 °/min
Orbital period
104.06 mins
BSTAR
0.00032997
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DELTA 1 DEB Visibility forecast

Observer location: undefined°, undefined°

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 mins2025-07-01 08:06:13.850Z110.69° ESE2025-07-01 08:11:13.850Z55.073° ENE23.132°2025-07-01 08:15:13.850Z13.043° NNE
11 mins2025-07-01 09:48:13.850Z184.185° SSW2025-07-01 09:53:13.850Z268.184° W40.02°2025-07-01 09:59:13.850Z336.635° NNW
10 mins2025-07-01 22:27:13.850Z15.882° NNE2025-07-01 22:32:13.850Z185.826° SSW44.407°2025-07-01 22:37:13.850Z195.686° SSW
5 mins2025-07-02 00:11:13.850Z328.315° NNW2025-07-02 00:13:13.850Z307.448° NW15.061°2025-07-02 00:16:13.850Z275.673° WNW
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