DELTA 1 DEB, 21289

Orbit data source: Space-Track

DELTA 1 DEB, 21289 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
21289, 1975-052AA
Orbit
SSO
Last TLE update
12 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 12 hours ago
0 DELTA 1 DEB
1 21289U 75052AA  25181.60104566  .00000486  00000-0  15062-2 0  9990
2 21289  99.8791 194.6781 0247716  84.3203  37.6284 12.99967735618867
Epoch: 2025-06-30T14:25Z
TLE epoch observation values (Epoch: 2025-06-30T14:25:30.345Z)
Latitude
55.12036°
Longitude
-106.21521°
Altitude
1,123.107 km
Speed
7.367 km/s
True Right ascension
01h 56m 16s
True Declination
54° 58' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-62.18657°
Longitude
-139.34215°
Altitude
1,463.856 km
Speed
7.046 km/s
Apparent Right ascension
00h 53m 08s
Apparent Declination
-53° 00' 19"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
13:44:43
Azimuth
150.384° SSE
Elevation
-74.235°
Doppler factor
1
Orbital elements
Apogee altitude
1,448.791 km
Perigee altitude
1,070.393 km
Semi-major axis
7,637.729 km
Eccentricity
0.02477
Inclination
99.8791°
RAAN
194.6781°
Arg. of periapsis
84.3203°
True anomaly
Unknown
Mean anomaly
37.6284°
Eccentric anomaly
Unknown
Mean motion
3.2516 °/min
Orbital period
110.71 mins
BSTAR
0.0015062
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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.
11 mins2025-07-01 12:35:38.140Z41.851° NE2025-07-01 12:40:38.140Z91.73° ESE23.768°2025-07-01 12:46:38.140Z149.67° SSE
11 mins2025-07-01 14:25:38.140Z359.729° N2025-07-01 14:30:38.140Z279.539° WNW38.651°2025-07-01 14:36:38.140Z217.694° SW
7 mins2025-07-01 23:14:38.140Z93.96° ESE2025-07-01 23:17:38.140Z62.731° ENE19.395°2025-07-01 23:21:38.140Z20.513° NNE
12 mins2025-07-02 01:00:38.140Z174.47° S2025-07-02 01:06:38.140Z266.546° W43.074°2025-07-02 01:12:38.140Z339.59° N
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