DELTA 1 DEB, 21469

Orbit data source: Space-Track

DELTA 1 DEB, 21469 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/21469?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21469, 1975-052FD

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: 8 hours ago

TLE from 8 hours ago

0 DELTA 1 DEB
1 21469U 75052FD  25351.25394929  .00000564  00000-0  21327-2 0  9992
2 21469  99.6936 264.1705 0368666 355.5302 155.7811 12.75151611608023

Epoch: 2025-12-17T06:05Z

TLE epoch observation values (Epoch: 2025-12-17T06:05:41.218Z)

Latitude

26.64199°

Longitude

-88.48522°

Altitude

1,626.012 km

Speed

6.94 km/s

True Right ascension

05h 56m 15s

True Declination

26° 31' 10"

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

13:03:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,643.643 km

Perigee altitude

1,073.201 km

Semi-major axis

7,736.559 km

Eccentricity

0.03687

Inclination

99.6936°

RAAN

264.1705°

Arg. of periapsis

355.5302°

True anomaly

157.4439°

Mean anomaly

155.7811°

Eccentric anomaly

156.61934°

Mean motion

3.18949 °/min

Orbital period

112.87 mins

BSTAR

0.0021327

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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.
10 mins	2025-12-17 16:45:21.805Z	103.804° ESE	2025-12-17 16:50:21.805Z	53.824° ENE	21.22°	2025-12-17 16:55:21.805Z	9.829° NNE
12 mins	2025-12-17 18:35:21.805Z	178.858° S	2025-12-17 18:40:21.805Z	246.835° WSW	42.187°	2025-12-17 18:47:21.805Z	339.328° N
15 mins	2025-12-18 06:24:21.805Z	33.903° NE	2025-12-18 06:30:21.805Z	92.56° ESE	35.602°	2025-12-18 06:39:21.805Z	168.854° S
14 mins	2025-12-18 08:15:21.805Z	357.299° N	2025-12-18 08:21:21.805Z	300.183° NW	35.335°	2025-12-18 08:29:21.805Z	229.04° WSW

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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, 21469 on other resources

View DELTA 1 DEB, 21469 on Heavens-Above

View DELTA 1 DEB, 21469 on Keep Track

View DELTA 1 DEB, 21469 on Celestrak

View DELTA 1 DEB, 21469 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, 21469

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2025-12-17T06:05:41.218Z)

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, 21469 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago