DELTA 1 DEB, 21364

Orbit data source: Space-Track

DELTA 1 DEB, 21364 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/21364?theme=dark&initialShowStats=false

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Identifier

21364, 1975-052CJ

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: 2 days ago

TLE from 2 days ago

0 DELTA 1 DEB
1 21364U 75052CJ  26019.87327029 -.00000256  00000-0 -64656-3 0  9996
2 21364  99.6627 348.5423 0251676 269.4208 116.1277 12.97261231638156

Epoch: 2026-01-19T20:57Z

TLE epoch observation values (Epoch: 2026-01-19T20:57:30.553Z)

Latitude

27.70712°

Longitude

-90.20285°

Altitude

1,364.724 km

Speed

7.137 km/s

True Right ascension

22h 53m 45s

True Declination

27° 34' 37"

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

05:00:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,462.698 km

Perigee altitude

1,077.717 km

Semi-major axis

7,648.345 km

Eccentricity

0.02517

Inclination

99.6627°

RAAN

348.5423°

Arg. of periapsis

269.4208°

True anomaly

118.68075°

Mean anomaly

116.1277°

Eccentric anomaly

117.40784°

Mean motion

3.24483 °/min

Orbital period

110.95 mins

BSTAR

-0.00064656

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

DELTA 1 DEB, 21381 (Decayed)

DELTA 1 DEB, 7965 (Decayed)

DELTA 1 DEB, 21389 (Decayed)

DELTA 1 DEB, 21335 (Decayed)

DELTA 1 DEB, 21683 (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.
6 mins	2026-01-22 08:44:53.123Z	62.516° ENE	2026-01-22 08:47:53.123Z	85.664° E	13.407°	2026-01-22 08:50:53.123Z	109.282° ESE
14 mins	2026-01-22 10:31:53.123Z	18.475° NNE	2026-01-22 10:38:53.123Z	140.206° SSE	44.143°	2026-01-22 10:45:53.123Z	190.704° SSW
10 mins	2026-01-22 12:21:53.123Z	345.418° N	2026-01-22 12:26:53.123Z	302.401° NW	22.146°	2026-01-22 12:31:53.123Z	259.138° W
5 mins	2026-01-22 19:23:53.123Z	63.613° ENE	2026-01-22 19:25:53.123Z	48.316° ENE	13.261°	2026-01-22 19:28:53.123Z	26.281° NE
14 mins	2026-01-22 21:06:53.123Z	143.719° SSE	2026-01-22 21:12:53.123Z	84.283° E	40.918°	2026-01-22 21:20:53.123Z	353.044° N
12 mins	2026-01-22 22:57:53.123Z	217.645° SW	2026-01-22 23:02:53.123Z	265.001° W	26.043°	2026-01-22 23:09:53.123Z	323.957° NNW

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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, 21364 on other resources

View DELTA 1 DEB, 21364 on Heavens-Above

View DELTA 1 DEB, 21364 on Keep Track

View DELTA 1 DEB, 21364 on Celestrak

View DELTA 1 DEB, 21364 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, 21364

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-01-19T20:57:30.553Z)

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, 21364 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago