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)

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Last TLE update: 19 hours ago

TLE from 19 hours ago

0 DELTA 1 DEB
1 21327U 75052AV  26031.68497275 -.00000067  00000-0 -96776-4 0  9998
2 21327  99.7518 310.8070 0280858 195.9200 226.3623 12.89979016633561

Epoch: 2026-01-31T16:26Z

TLE epoch observation values (Epoch: 2026-01-31T16:26:21.645Z)

Latitude

58.69464°

Longitude

-83.02194°

Altitude

1,463.378 km

Speed

7.065 km/s

True Right ascension

19h 37m 53s

True Declination

58° 33' 20"

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

13:24:34

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,514.607 km

Perigee altitude

1,083.37 km

Semi-major axis

7,677.126 km

Eccentricity

0.02809

Inclination

99.7518°

RAAN

310.807°

Arg. of periapsis

195.92°

True anomaly

224.08883°

Mean anomaly

226.3623°

Eccentric anomaly

225.22006°

Mean motion

3.2266 °/min

Orbital period

111.57 mins

BSTAR

-0.000096776

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

DELTA 1 DEB, 21522 (Decayed)

DELTA 1 DEB, 21518 (Decayed)

DELTA 1 DEB, 37630 (Decayed)

DELTA 1 DEB, 21321 (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.
11 mins	2026-02-01 16:29:16.436Z	97.813° ESE	2026-02-01 16:35:16.436Z	52.146° ENE	19.555°	2026-02-01 16:40:16.436Z	13.716° NNE
15 mins	2026-02-01 18:16:16.436Z	161.055° S	2026-02-01 18:23:16.436Z	142.05° SSE	44.728°	2026-02-01 18:31:16.436Z	346.013° N
9 mins	2026-02-01 20:10:16.436Z	237.372° WSW	2026-02-01 20:14:16.436Z	269.263° W	18.672°	2026-02-01 20:19:16.436Z	308.48° NW
9 mins	2026-02-02 06:01:16.436Z	50.126° ENE	2026-02-02 06:05:16.436Z	89.258° E	20.161°	2026-02-02 06:10:16.436Z	138.161° SSE
12 mins	2026-02-02 07:50:16.436Z	6.333° NNE	2026-02-02 07:56:16.436Z	277.781° WNW	41.641°	2026-02-02 08:02:16.436Z	211.584° SW

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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: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2026-01-31T16:26:21.645Z)

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: 19 hours ago