DELTA 1 DEB, 21327

Orbit data source: Space-Track

DELTA 1 DEB, 21327 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/21327?theme=dark&initialShowStats=false

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Identifier

21327, 1975-052AV

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: 2 days ago

TLE from 2 days ago

0 DELTA 1 DEB
1 21327U 75052AV  26171.46800487  .00000159  00000-0  63438-3 0  9990
2 21327  99.7445  73.9893 0279770 244.2935 297.7536 12.90027314651588

Epoch: 2026-06-20T11:13Z

TLE epoch observation values (Epoch: 2026-06-20T11:13:55.620Z)

Latitude

0.71852°

Longitude

176.94813°

Altitude

1,208.763 km

Speed

7.295 km/s

True Right ascension

16h 56m 26s

True Declination

0° 42' 52"

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

23:20:23

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,513.574 km

Perigee altitude

1,084.019 km

Semi-major axis

7,676.934 km

Eccentricity

0.02798

Inclination

99.7445°

RAAN

73.9893°

Arg. of periapsis

244.2935°

True anomaly

294.87077°

Mean anomaly

297.7536°

Eccentric anomaly

296.31677°

Mean motion

3.22672 °/min

Orbital period

111.57 mins

BSTAR

0.00063438

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

DELTA 1 DEB, 21518 (Decayed)

DELTA 1 DEB, 37628 (Decayed)

DELTA 1 DEB, 21349 (Decayed)

DELTA 1 DEB, 21328 (Decayed)

DELTA 1 DEB, 21472

DELTA 1 DEB, 21470

DELTA 1 DEB, 21563 (Decayed)

DELTA 1 DEB, 42641

DELTA 1 DEB, 21434

DELTA 1 DEB, 21683 (Decayed)

DELTA 1 DEB, 21519 (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.
15 mins	2026-06-22 16:22:04.761Z	130.72° SE	2026-06-22 16:30:04.761Z	58.354° ENE	34.397°	2026-06-22 16:37:04.761Z	359.19° N
14 mins	2026-06-22 18:13:04.761Z	196.476° SSW	2026-06-22 18:19:04.761Z	255.667° W	35.609°	2026-06-22 18:27:04.761Z	331.839° NNW
13 mins	2026-06-23 05:56:04.761Z	25.115° NE	2026-06-23 06:02:04.761Z	86.062° E	40.21°	2026-06-23 06:09:04.761Z	177.424° S
11 mins	2026-06-23 07:47:04.761Z	347.632° N	2026-06-23 07:52:04.761Z	298.054° NW	26.832°	2026-06-23 07:58:04.761Z	243.982° 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, 21327 on other resources

View DELTA 1 DEB, 21327 on Heavens-Above

View DELTA 1 DEB, 21327 on Keep Track

View DELTA 1 DEB, 21327 on Celestrak

View DELTA 1 DEB, 21327 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, 21327

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T11:13:55.620Z)

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, 21327 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago