DELTA 1 DEB, 21354

Orbit data source: Space-Track

DELTA 1 DEB, 21354 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/21354?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21354, 1975-052BY

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

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 DELTA 1 DEB
1 21354U 75052BY  25350.31593457  .00002005  00000-0  37223-2 0  9992
2 21354  99.5124 266.7849 0228600  44.8135  74.8272 13.31083440664432

Epoch: 2025-12-16T07:34Z

TLE epoch observation values (Epoch: 2025-12-16T07:34:56.746Z)

Latitude

56.6788°

Longitude

-97.46384°

Altitude

1,110.756 km

Speed

7.323 km/s

True Right ascension

06h 45m 53s

True Declination

56° 31' 42"

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

21:34:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,311.859 km

Perigee altitude

968.13 km

Semi-major axis

7,518.132 km

Eccentricity

0.02286

Inclination

99.5124°

RAAN

266.7849°

Arg. of periapsis

44.8135°

True anomaly

77.37365°

Mean anomaly

74.8272°

Eccentric anomaly

76.09862°

Mean motion

3.32949 °/min

Orbital period

108.12 mins

BSTAR

0.0037223

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

DELTA 1 DEB, 21431 (Decayed)

DELTA 1 DEB, 7965 (Decayed)

DELTA 1 DEB, 35533 (Decayed)

DELTA 1 DEB, 21495 (Decayed)

DELTA 1 DEB, 21539 (Decayed)

DELTA 1 DEB, 37627 (Decayed)

DELTA 1 DEB, 21521 (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	2025-12-17 07:01:53.853Z	26.179° NE	2025-12-17 07:07:53.853Z	110.334° ESE	39.371°	2025-12-17 07:13:53.853Z	176.583° S
9 mins	2025-12-17 08:49:53.853Z	342.709° N	2025-12-17 08:53:53.853Z	296.876° NW	24.967°	2025-12-17 08:58:53.853Z	246.186° WSW
8 mins	2025-12-17 17:25:53.853Z	106.349° ESE	2025-12-17 17:28:53.853Z	64.975° ENE	25.263°	2025-12-17 17:33:53.853Z	7.845° NNE
10 mins	2025-12-17 19:10:53.853Z	195.725° SSW	2025-12-17 19:15:53.853Z	272.676° WNW	33.527°	2025-12-17 19:20:53.853Z	330.527° 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, 21354 on other resources

View DELTA 1 DEB, 21354 on Heavens-Above

View DELTA 1 DEB, 21354 on Keep Track

View DELTA 1 DEB, 21354 on Celestrak

View DELTA 1 DEB, 21354 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, 21354

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2025-12-16T07:34:56.746Z)

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, 21354 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago