DELTA 1 DEB, 21333

Orbit data source: Space-Track

DELTA 1 DEB, 21333 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/21333?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/21333?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21333, 1975-052BB

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: 6 hours ago

TLE from 6 hours ago

0 DELTA 1 DEB
1 21333U 75052BB  26305.18881986  .00000018  00000-0  10483-3 0  9994
2 21333  99.8191  97.1900 0004057 145.4702  29.9996 13.45504963742575

Epoch: 2026-11-01T04:31Z

TLE epoch observation values (Epoch: 2026-11-01T04:31:54.035Z)

Latitude

4.35525°

Longitude

169.48247°

Altitude

1,088.535 km

Speed

7.31 km/s

True Right ascension

18h 31m 45s

True Declination

4° 19' 50"

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

05:45:54

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,089.185 km

Perigee altitude

1,083.128 km

Semi-major axis

7,464.293 km

Eccentricity

0.00041

Inclination

99.8191°

RAAN

97.19°

Arg. of periapsis

145.4702°

True anomaly

30.02285°

Mean anomaly

29.9996°

Eccentric anomaly

30.01123°

Mean motion

3.36558 °/min

Orbital period

106.97 mins

BSTAR

0.00010483

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

DELTA 1 DEB, 21539 (Decayed)

DELTA 1 DEB, 42658

DELTA 1 DEB, 21564 (Decayed)

DELTA 1 DEB, 21335 (Decayed)

DELTA 1 DEB, 42640

DELTA 1 DEB, 42629

DELTA 1 DEB, 21369 (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.
12 mins	2026-11-01 10:53:32.326Z	192.294° SSW	2026-11-01 10:59:32.326Z	261.277° W	42.111°	2026-11-01 11:05:32.326Z	330.157° NNW
9 mins	2026-11-01 22:08:32.326Z	46.583° ENE	2026-11-01 22:12:32.326Z	93.205° ESE	28.423°	2026-11-01 22:17:32.326Z	148.996° SSE
11 mins	2026-11-01 23:53:32.326Z	358.754° N	2026-11-01 23:58:32.326Z	286.352° WNW	48.496°	2026-11-02 00:04:32.326Z	220.379° SW
5 mins	2026-11-02 08:25:32.326Z	76.481° E	2026-11-02 08:27:32.326Z	56.362° ENE	15.937°	2026-11-02 08:30:32.326Z	27.297° NE

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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, 21333 on other resources

View DELTA 1 DEB, 21333 on Heavens-Above

View DELTA 1 DEB, 21333 on Keep Track

View DELTA 1 DEB, 21333 on Celestrak

View DELTA 1 DEB, 21333 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, 21333

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-11-01T04:31:54.035Z)

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, 21333 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago