DELTA 1 DEB, 21380

Orbit data source: Space-Track

DELTA 1 DEB, 21380 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/21380?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21380, 1975-052DA

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: 19 hours ago

TLE from 19 hours ago

0 DELTA 1 DEB
1 21380U 75052DA  26091.84056432  .00000020  00000-0  79082-4 0  9995
2 21380  99.4104  54.9049 0060126 358.3225  31.1097 13.62956498728211

Epoch: 2026-04-01T20:10Z

TLE epoch observation values (Epoch: 2026-04-01T20:10:24.757Z)

Latitude

29.39868°

Longitude

-83.22616°

Altitude

990.493 km

Speed

7.378 km/s

True Right ascension

03h 18m 17s

True Declination

29° 15' 23"

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

20:29:42

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,066.732 km

Perigee altitude

977.741 km

Semi-major axis

7,400.373 km

Eccentricity

0.00601

Inclination

99.4104°

RAAN

54.9049°

Arg. of periapsis

358.3225°

True anomaly

31.46799°

Mean anomaly

31.1097°

Eccentric anomaly

31.28861°

Mean motion

3.40928 °/min

Orbital period

105.59 mins

BSTAR

0.000079082

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

DELTA 1 DEB, 21687 (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	2026-04-02 20:48:20.218Z	141.854° SSE	2026-04-02 20:54:20.218Z	59.403° ENE	37.331°	2026-04-02 20:59:20.218Z	358.042° N
8 mins	2026-04-02 22:35:20.218Z	225.974° WSW	2026-04-02 22:38:20.218Z	263.654° W	22.542°	2026-04-02 22:43:20.218Z	318.599° NNW
10 mins	2026-04-03 09:38:20.218Z	36.239° NE	2026-04-03 09:43:20.218Z	104.85° ESE	32.309°	2026-04-03 09:48:20.218Z	162.809° S
9 mins	2026-04-03 11:23:20.218Z	346.004° N	2026-04-03 11:27:20.218Z	289.667° WNW	29.939°	2026-04-03 11:32:20.218Z	234.076° 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, 21380 on other resources

View DELTA 1 DEB, 21380 on Heavens-Above

View DELTA 1 DEB, 21380 on Keep Track

View DELTA 1 DEB, 21380 on Celestrak

View DELTA 1 DEB, 21380 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, 21380

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2026-04-01T20:10:24.757Z)

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, 21380 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 19 hours ago