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, 0.050 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 18 hours ago

TLE from 18 hours ago

0 DELTA 1 DEB
1 21364U 75052CJ  26302.30235118  .00000436  00000-0  14069-2 0  9996
2 21364  99.6872 238.8442 0254741 349.0923 164.1097 12.97461778674774

Epoch: 2026-10-29T07:15Z

TLE epoch observation values (Epoch: 2026-10-29T07:15:23.141Z)

Latitude

25.65376°

Longitude

-82.96134°

Altitude

1,462.818 km

Speed

7.045 km/s

True Right ascension

04h 14m 05s

True Declination

25° 31' 55"

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

20:53:01

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,464.235 km

Perigee altitude

1,074.606 km

Semi-major axis

7,647.557 km

Eccentricity

0.02547

Inclination

99.6872°

RAAN

238.8442°

Arg. of periapsis

349.0923°

True anomaly

164.88514°

Mean anomaly

164.1097°

Eccentric anomaly

164.49976°

Mean motion

3.24533 °/min

Orbital period

110.93 mins

BSTAR

0.0014069

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

DELTA 1 DEB, 21384

DELTA 1 DEB, 21435 (Decayed)

DELTA 1 DEB, 21382 (Decayed)

DELTA 1 DEB, 27574 (Decayed)

DELTA 1 DEB, 37630 (Decayed)

DELTA 1 DEB, 37628 (Decayed)

DELTA 1 DEB, 21379 (Decayed)

DELTA 1 DEB, 21505 (Decayed)

DELTA 1 DEB, 21454 (Decayed)

DELTA 1 DEB, 21376 (Decayed)

DELTA 1 DEB, 21440 (Decayed)

DELTA 1 DEB, 21676 (Decayed)

DELTA 1 DEB, 21683 (Decayed)

DELTA 1 DEB, 21681 (Decayed)

DELTA 1 DEB, 7965 (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.
11 mins	2026-10-30 07:09:58.615Z	48.578° ENE	2026-10-30 07:14:58.615Z	88.452° E	20.862°	2026-10-30 07:20:58.615Z	135.055° SSE
15 mins	2026-10-30 08:57:58.615Z	12.523° NNE	2026-10-30 09:04:58.615Z	308.441° NW	81.797°	2026-10-30 09:12:58.615Z	201.439° SSW
8 mins	2026-10-30 10:49:58.615Z	333.171° NNW	2026-10-30 10:52:58.615Z	308.035° NW	19.013°	2026-10-30 10:57:58.615Z	268.736° W
5 mins	2026-10-30 17:50:58.615Z	69.179° E	2026-10-30 17:52:58.615Z	50.791° ENE	14.243°	2026-10-30 17:55:58.615Z	25.169° NE
12 mins	2026-10-30 19:35:58.615Z	154.831° SSE	2026-10-30 19:40:58.615Z	63.723° ENE	76.556°	2026-10-30 19:47:58.615Z	348.413° N
7 mins	2026-10-30 21:27:58.615Z	240.865° WSW	2026-10-30 21:30:58.615Z	270.17° WNW	17.077°	2026-10-30 21:34:58.615Z	306.779° NW

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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: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2026-10-29T07:15:23.141Z)

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: 18 hours ago