DELTA 1 DEB, 21972

Orbit data source: Space-Track

DELTA 1 DEB, 21972 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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https://www.satcat.com/sats-embedded/21972?theme=dark&initialShowStats=false

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Identifier

21972, 1975-052JW

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 (50 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)

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

TLE from 2 days ago

0 DELTA 1 DEB
1 21972U 75052JW  25334.13091604  .00000022  00000-0  16804-3 0  9997
2 21972  99.6180 200.0915 0334938 181.9006 332.2642 12.92081970588695

Epoch: 2025-11-30T03:08Z

TLE epoch observation values (Epoch: 2025-11-30T03:08:31.145Z)

Latitude

27.30799°

Longitude

-91.29397°

Altitude

1,070.931 km

Speed

7.426 km/s

True Right ascension

01h 40m 20s

True Declination

27° 10' 26"

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

13:45:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,547.499 km

Perigee altitude

1,033.786 km

Semi-major axis

7,668.78 km

Eccentricity

0.03349

Inclination

99.618°

RAAN

200.0915°

Arg. of periapsis

181.9006°

True anomaly

330.40966°

Mean anomaly

332.2642°

Eccentric anomaly

331.34392°

Mean motion

3.23187 °/min

Orbital period

111.39 mins

BSTAR

0.00016804

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

DELTA 1 DEB, 21456 (Decayed)

DELTA 1 DEB, 21474 (Decayed)

DELTA 1 DEB, 21494 (Decayed)

DELTA 1 DEB, 21348 (Decayed)

DELTA 1 DEB, 21671 (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	2025-12-02 03:18:14.639Z	30.811° NE	2025-12-02 03:24:14.639Z	96.523° ESE	31.505°	2025-12-02 03:29:14.639Z	159.599° S
10 mins	2025-12-02 05:09:14.639Z	352.471° N	2025-12-02 05:14:14.639Z	291.878° WNW	29.653°	2025-12-02 05:19:14.639Z	235.734° WSW
13 mins	2025-12-02 13:57:14.639Z	122.754° SE	2025-12-02 14:03:14.639Z	70.749° E	31.475°	2025-12-02 14:10:14.639Z	3.271° NNE
14 mins	2025-12-02 15:46:14.639Z	189.67° SSW	2025-12-02 15:53:14.639Z	262.371° W	38.03°	2025-12-02 16:00:14.639Z	332.774° NNW

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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, 21972 on other resources

View DELTA 1 DEB, 21972 on Heavens-Above

View DELTA 1 DEB, 21972 on Keep Track

View DELTA 1 DEB, 21972 on Celestrak

View DELTA 1 DEB, 21972 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, 21972

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: 2025-11-30T03:08:31.145Z)

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, 21972 on other resources

Documentation

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