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: 12 hours ago

TLE from 12 hours ago

0 DELTA 1 DEB
1 21469U 75052FD  26101.19327115  .00000328  00000-0  12846-2 0  9996
2 21469  99.6891   2.3230 0366270 105.0083  45.7950 12.75219897622671

Epoch: 2026-04-11T04:38Z

TLE epoch observation values (Epoch: 2026-04-11T04:38:18.627Z)

Latitude

25.7234°

Longitude

-81.97658°

Altitude

1,171.552 km

Speed

7.36 km/s

True Right ascension

12h 28m 04s

True Declination

25° 35' 48"

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

22:49:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,641.502 km

Perigee altitude

1,074.789 km

Semi-major axis

7,736.283 km

Eccentricity

0.03663

Inclination

99.6891°

RAAN

2.323°

Arg. of periapsis

105.0083°

True anomaly

48.90127°

Mean anomaly

45.795°

Eccentric anomaly

47.33822°

Mean motion

3.18966 °/min

Orbital period

112.86 mins

BSTAR

0.0012846

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

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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	2026-04-11 17:08:48.777Z	161.18° S	2026-04-11 17:15:48.777Z	60.927° ENE	44.934°	2026-04-11 17:21:48.777Z	346.389° N
6 mins	2026-04-11 19:04:48.777Z	244.328° WSW	2026-04-11 19:07:48.777Z	270.653° WNW	14.826°	2026-04-11 19:10:48.777Z	297.404° NW
9 mins	2026-04-12 04:59:48.777Z	53.489° ENE	2026-04-12 05:03:48.777Z	98.436° ESE	21.663°	2026-04-12 05:08:48.777Z	144.973° SSE
12 mins	2026-04-12 06:49:48.777Z	2.959° NNE	2026-04-12 06:54:48.777Z	299.396° NW	39.397°	2026-04-12 07:01:48.777Z	214.849° SW
9 mins	2026-04-12 15:48:48.777Z	105.007° ESE	2026-04-12 15:52:48.777Z	66.283° ENE	22.592°	2026-04-12 15:57:48.777Z	14.433° 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, 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: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-04-11T04:38:18.627Z)

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: 12 hours ago