DELTA 1 DEB, 21445

Orbit data source: Space-Track

DELTA 1 DEB, 21445 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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https://www.satcat.com/sats-embedded/21445?theme=dark&initialShowStats=false

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Identifier

21445, 1975-052ED

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

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 shape, 0.2 m

Radar Cross Section

Small (<0.1 m²)

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Last TLE update: 9 hours ago

TLE from 9 hours ago

0 DELTA 1 DEB
1 21445U 75052ED  25335.31628494  .00000027  00000-0  14648-3 0  9995
2 21445  99.6658 359.3037 0081358 200.6635 184.4787 13.28546146676466

Epoch: 2025-12-01T07:35Z

TLE epoch observation values (Epoch: 2025-12-01T07:35:27.018Z)

Latitude

24.71682°

Longitude

170.54979°

Altitude

1,216.199 km

Speed

7.219 km/s

True Right ascension

23h 39m 19s

True Declination

24° 35' 40"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

13:49:06

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,210.824 km

Perigee altitude

1,088.336 km

Semi-major axis

7,527.717 km

Eccentricity

0.00814

Inclination

99.6658°

RAAN

359.3037°

Arg. of periapsis

200.6635°

True anomaly

184.40663°

Mean anomaly

184.4787°

Eccentric anomaly

184.44259°

Mean motion

3.32314 °/min

Orbital period

108.33 mins

BSTAR

0.00014648

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Other satellites on launch #52 in the year 1975 (1975-06-12 UTC)

DELTA 1 DEB, 21474 (Decayed)

DELTA 1 DEB, 21456 (Decayed)

DELTA 1 DEB, 42648

DELTA 1 DEB, 21494 (Decayed)

DELTA 1 DEB, 21348 (Decayed)

DELTA 1 DEB, 21671 (Decayed)

DELTA 1 DEB, 21440 (Decayed)

DELTA 1 DEB, 21340 (Decayed)

DELTA 1 DEB, 27574 (Decayed)

DELTA 1 DEB, 21375 (Decayed)

DELTA 1 DEB, 21323 (Decayed)

DELTA 1 DEB, 21502 (Decayed)

DELTA 1 DEB, 21462

DELTA 1 DEB, 21491 (Decayed)

DELTA 1 DEB, 21321 (Decayed)

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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.
8 mins	2025-12-01 23:54:30.955Z	94.256° ESE	2025-12-01 23:58:30.955Z	58.878° ENE	17.612°	2025-12-02 00:02:30.955Z	21.779° NNE
13 mins	2025-12-02 01:38:30.955Z	164.256° S	2025-12-02 01:44:30.955Z	201.399° SSW	44.965°	2025-12-02 01:51:30.955Z	344.986° N
6 mins	2025-12-02 03:29:30.955Z	246.877° WSW	2025-12-02 03:32:30.955Z	273.577° WNW	14.329°	2025-12-02 03:35:30.955Z	299.525° NW
6 mins	2025-12-02 13:03:30.955Z	65.778° ENE	2025-12-02 13:05:30.955Z	84.817° E	14.693°	2025-12-02 13:09:30.955Z	122.216° SE
11 mins	2025-12-02 14:48:30.955Z	12.602° NNE	2025-12-02 14:53:30.955Z	295.476° NW	44.817°	2025-12-02 14:59:30.955Z	200.014° SSW

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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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Check out DELTA 1 DEB, 21445 on other resources

View DELTA 1 DEB, 21445 on Heavens-Above

View DELTA 1 DEB, 21445 on Keep Track

View DELTA 1 DEB, 21445 on Celestrak

View DELTA 1 DEB, 21445 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

DELTA 1 DEB, 21445

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2025-12-01T07:35:27.018Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #52 in the year 1975 (1975-06-12 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 21445 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago