DELTA 1 DEB, 21567

Orbit data source: Space-Track

DELTA 1 DEB, 21567 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/21567?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21567, 1975-052HM

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)

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Last TLE update: 20 hours ago

TLE from 20 hours ago

0 DELTA 1 DEB
1 21567U 75052HM  26034.43170706  .00001099  00000-0  12060-2 0  9993
2 21567  99.8391 200.8118 0245108 210.2132 178.6967 13.62451008717901

Epoch: 2026-02-03T10:21Z

TLE epoch observation values (Epoch: 2026-02-03T10:21:39.489Z)

Latitude

28.5493°

Longitude

-93.60264°

Altitude

1,211.71 km

Speed

7.161 km/s

True Right ascension

13h 01m 41s

True Declination

28° 24' 50"

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

08:10:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,205.522 km

Perigee altitude

842.653 km

Semi-major axis

7,402.224 km

Eccentricity

0.02451

Inclination

99.8391°

RAAN

200.8118°

Arg. of periapsis

210.2132°

True anomaly

178.75868°

Mean anomaly

178.6967°

Eccentric anomaly

178.72788°

Mean motion

3.408 °/min

Orbital period

105.63 mins

BSTAR

0.001206

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

DELTA 1 DEB, 21381 (Decayed)

DELTA 1 DEB, 21281

DELTA 1 DEB, 21382 (Decayed)

DELTA 1 DEB, 21334 (Decayed)

DELTA 1 DEB, 21390 (Decayed)

DELTA 1 DEB, 21391 (Decayed)

DELTA 1 DEB, 21435 (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.
9 mins	2026-02-04 09:17:19.403Z	102.789° ESE	2026-02-04 09:22:19.403Z	57.086° ENE	20.341°	2026-02-04 09:26:19.403Z	18.619° NNE
12 mins	2026-02-04 11:00:19.403Z	170.352° S	2026-02-04 11:05:19.403Z	229.235° WSW	44.326°	2026-02-04 11:12:19.403Z	342.247° N
4 mins	2026-02-04 12:49:19.403Z	260.392° W	2026-02-04 12:50:19.403Z	269.111° W	12.796°	2026-02-04 12:53:19.403Z	294.634° NW
9 mins	2026-02-04 23:51:19.403Z	18.982° NNE	2026-02-04 23:55:19.403Z	65.607° ENE	44.259°	2026-02-05 00:00:19.403Z	190.993° SSW
6 mins	2026-02-05 01:36:19.403Z	332.074° NNW	2026-02-05 01:39:19.403Z	299.604° NW	15.779°	2026-02-05 01:42:19.403Z	268.32° 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, 21567 on other resources

View DELTA 1 DEB, 21567 on Heavens-Above

View DELTA 1 DEB, 21567 on Keep Track

View DELTA 1 DEB, 21567 on Celestrak

View DELTA 1 DEB, 21567 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, 21567

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2026-02-03T10:21:39.489Z)

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, 21567 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 20 hours ago