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
19 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 19 hours ago
0 DELTA 1 DEB
1 21291U 75052AC  25181.33245491  .00000324  00000-0  31813-3 0  9990
2 21291  99.8459 323.4076 0136657 247.5776 180.2061 13.82997278719003
Epoch: 2025-06-30T07:58Z
TLE epoch observation values (Epoch: 2025-06-30T07:58:44.104Z)
Latitude
65.88125°
Longitude
-97.60462°
Altitude
1,064.783 km
Speed
7.275 km/s
True Right ascension
20h 02m 53s
True Declination
65° 45' 29"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
33.34754°
Longitude
-80.61963°
Altitude
1,042.436 km
Speed
7.291 km/s
Apparent Right ascension
23h 28m 41s
Apparent Declination
0° 04' 40"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
14:31:49
Azimuth
58.082° ENE
Elevation
-32.394°
Doppler factor
1
Orbital elements
Apogee altitude
1,050.691 km
Perigee altitude
850.388 km
Semi-major axis
7,328.676 km
Eccentricity
0.01367
Inclination
99.8459°
RAAN
323.4076°
Arg. of periapsis
247.5776°
True anomaly
Unknown
Mean anomaly
180.2061°
Eccentric anomaly
Unknown
Mean motion
3.45943 °/min
Orbital period
104.06 mins
BSTAR
0.00031813
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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 08:06:36.880Z108.13° ESE2025-07-01 08:10:36.880Z63.936° ENE23.238°2025-07-01 08:15:36.880Z10.667° NNE
10 mins2025-07-01 09:48:36.880Z185.687° SSW2025-07-01 09:52:36.880Z244.362° WSW39.888°2025-07-01 09:58:36.880Z335.064° NNW
11 mins2025-07-01 22:26:36.880Z15.643° NNE2025-07-01 22:31:36.880Z39.421° NE44.89°2025-07-01 22:37:36.880Z195.786° SSW
5 mins2025-07-02 00:11:36.880Z324.649° NNW2025-07-02 00:13:36.880Z303.124° NW15.1°2025-07-02 00:16:36.880Z272.298° WNW
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