DELTA 1 DEB, 21319

Orbit data source: Space-Track

DELTA 1 DEB, 21319 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 src="https://www.satcat.com/sats-embedded/21319?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/21319?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21319, 1975-052AM

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: 18 hours ago

TLE from 18 hours ago

0 DELTA 1 DEB
1 21319U 75052AM  26124.41303476  .00000379  00000-0  11038-2 0  9992
2 21319  99.6475 297.5979 0233874 300.5039  86.3145 13.06899045664494

Epoch: 2026-05-04T09:54Z

TLE epoch observation values (Epoch: 2026-05-04T09:54:46.203Z)

Latitude

29.08511°

Longitude

-78.7956°

Altitude

1,231.343 km

Speed

7.245 km/s

True Right ascension

19h 28m 47s

True Declination

28° 56' 54"

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

11:21:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,410.527 km

Perigee altitude

1,054.539 km

Semi-major axis

7,610.67 km

Eccentricity

0.02339

Inclination

99.6475°

RAAN

297.5979°

Arg. of periapsis

300.5039°

True anomaly

88.99301°

Mean anomaly

86.3145°

Eccentric anomaly

87.65338°

Mean motion

3.26895 °/min

Orbital period

110.13 mins

BSTAR

0.0011038

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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.
10 mins	2026-05-05 09:48:51.557Z	101.069° ESE	2026-05-05 09:53:51.557Z	54.874° ENE	21.37°	2026-05-05 09:58:51.557Z	12.088° NNE
13 mins	2026-05-05 11:35:51.557Z	172.644° S	2026-05-05 11:40:51.557Z	222.921° SW	43.744°	2026-05-05 11:48:51.557Z	342.23° N
11 mins	2026-05-05 23:09:51.557Z	43.783° NE	2026-05-05 23:14:51.557Z	89.996° E	26.115°	2026-05-05 23:20:51.557Z	146.016° SSE
13 mins	2026-05-06 00:57:51.557Z	4.284° NNE	2026-05-06 01:03:51.557Z	294.949° NW	41.116°	2026-05-06 01:10:51.557Z	215.413° SW
5 mins	2026-05-06 02:48:51.557Z	325.562° NNW	2026-05-06 02:50:51.557Z	310.214° NW	13.048°	2026-05-06 02:53:51.557Z	287.759° WNW

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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, 21319 on other resources

View DELTA 1 DEB, 21319 on Heavens-Above

View DELTA 1 DEB, 21319 on Keep Track

View DELTA 1 DEB, 21319 on Celestrak

View DELTA 1 DEB, 21319 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, 21319

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: 2026-05-04T09:54:46.203Z)

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, 21319 on other resources

Documentation

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