DELTA 1 DEB, 21465

Orbit data source: Space-Track

DELTA 1 DEB, 21465 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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Iframe URL

https://www.satcat.com/sats-embedded/21465?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21465, 1975-052EZ

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 (51 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.1 m

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 DELTA 1 DEB
1 21465U 75052EZ  25351.20315596  .00000208  00000-0  39622-3 0  9999
2 21465  99.6409 217.7480 0067700 175.8292 314.0200 13.48730466700559

Epoch: 2025-12-17T04:52Z

TLE epoch observation values (Epoch: 2025-12-17T04:52:32.674Z)

Latitude

49.83049°

Longitude

-109.91616°

Altitude

1,049.85 km

Speed

7.349 km/s

True Right ascension

03h 17m 11s

True Declination

49° 40' 03"

Sunlit

Object was in full shadow 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

13:10:12

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,124.685 km

Perigee altitude

1,023.78 km

Semi-major axis

7,452.37 km

Eccentricity

0.00677

Inclination

99.6409°

RAAN

217.748°

Arg. of periapsis

175.8292°

True anomaly

313.45884°

Mean anomaly

314.02°

Eccentric anomaly

313.73975°

Mean motion

3.37366 °/min

Orbital period

106.71 mins

BSTAR

0.00039622

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

DELTA 1 DEB, 21385 (Decayed)

DELTA 1 DEB, 21447 (Decayed)

DELTA 1 DEB, 21325

DELTA 1 DEB, 21550

DELTA 1 DEB, 21330

DELTA 1 DEB, 37629 (Decayed)

DELTA 1 DEB, 21282

DELTA 1 DEB, 42656

DELTA 1 DEB, 21285

DELTA 1 DEB, 21597 (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.
13 mins	2025-12-17 15:00:48.206Z	158.823° S	2025-12-17 15:06:48.206Z	122.818° SE	44.149°	2025-12-17 15:13:48.206Z	347.612° N
6 mins	2025-12-17 16:50:48.206Z	245.993° WSW	2025-12-17 16:52:48.206Z	265.754° W	15.748°	2025-12-17 16:56:48.206Z	303.846° NW
10 mins	2025-12-18 03:59:48.206Z	22.546° NE	2025-12-18 04:04:48.206Z	129.043° SE	42.842°	2025-12-18 04:09:48.206Z	185.591° SSW
7 mins	2025-12-18 05:45:48.206Z	335.935° NNW	2025-12-18 05:48:48.206Z	303.552° NW	18.907°	2025-12-18 05:52:48.206Z	261.071° W
10 mins	2025-12-18 14:12:48.206Z	118.596° SE	2025-12-18 14:16:48.206Z	68.429° E	30.24°	2025-12-18 14:22:48.206Z	2.703° NNE

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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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out DELTA 1 DEB, 21465 on other resources

View DELTA 1 DEB, 21465 on Heavens-Above

View DELTA 1 DEB, 21465 on Keep Track

View DELTA 1 DEB, 21465 on Celestrak

View DELTA 1 DEB, 21465 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, 21465

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2025-12-17T04:52:32.674Z)

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, 21465 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago