DELTA 1 DEB, 21448

Orbit data source: Space-Track

DELTA 1 DEB, 21448 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/21448?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/21448?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21448, 1975-052EG

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, 0.2 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 DELTA 1 DEB
1 21448U 75052EG  26021.45717679  .00000028  00000-0  16495-3 0  9993
2 21448  99.6803  86.5978 0130298 152.4623 226.7526 13.18237947670205

Epoch: 2026-01-21T10:58Z

TLE epoch observation values (Epoch: 2026-01-21T10:58:20.074Z)

Latitude

17.86475°

Longitude

158.05386°

Altitude

1,261.908 km

Speed

7.193 km/s

True Right ascension

05h 33m 50s

True Declination

17° 46' 16"

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

19:38:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,287.396 km

Perigee altitude

1,090.204 km

Semi-major axis

7,566.937 km

Eccentricity

0.01303

Inclination

99.6803°

RAAN

86.5978°

Arg. of periapsis

152.4623°

True anomaly

225.67709°

Mean anomaly

226.7526°

Eccentric anomaly

226.21365°

Mean motion

3.29733 °/min

Orbital period

109.18 mins

BSTAR

0.00016495

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

DELTA 1 DEB, 7965 (Decayed)

DELTA 1 DEB, 21340 (Decayed)

DELTA 1 DEB, 21600 (Decayed)

DELTA 1 DEB, 21335 (Decayed)

DELTA 1 DEB, 21683 (Decayed)

DELTA 1 DEB, 21544 (Decayed)

DELTA 1 DEB, 42644

DELTA 1 DEB, 21430 (Decayed)

DELTA 1 DEB, 21502 (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.
8 mins	2026-01-21 18:45:54.125Z	341.695° N	2026-01-21 18:49:54.125Z	302.106° NW	18.751°	2026-01-21 18:53:54.125Z	262.038° W
12 mins	2026-01-22 03:23:54.125Z	135.873° SSE	2026-01-22 03:29:54.125Z	61.517° ENE	37.007°	2026-01-22 03:35:54.125Z	357.674° N
10 mins	2026-01-22 05:12:54.125Z	213.614° SW	2026-01-22 05:16:54.125Z	256.599° W	27.689°	2026-01-22 05:22:54.125Z	321.302° NNW
11 mins	2026-01-22 16:38:54.125Z	28.644° NE	2026-01-22 16:43:54.125Z	98.591° ESE	38.677°	2026-01-22 16:49:54.125Z	175.648° S
8 mins	2026-01-22 18:26:54.125Z	346.156° N	2026-01-22 18:30:54.125Z	303.186° NW	24.091°	2026-01-22 18:34:54.125Z	255.235° W

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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, 21448 on other resources

View DELTA 1 DEB, 21448 on Heavens-Above

View DELTA 1 DEB, 21448 on Keep Track

View DELTA 1 DEB, 21448 on Celestrak

View DELTA 1 DEB, 21448 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, 21448

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-01-21T10:58:20.074Z)

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, 21448 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago