DELTA 1 DEB, 21452

Orbit data source: Space-Track

DELTA 1 DEB, 21452 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/21452?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21452, 1975-052EL

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)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 DELTA 1 DEB
1 21452U 75052EL  26111.45659066  .00001542  00000-0  64879-2 0  9993
2 21452  99.7340   7.1011 0589200  28.2553 147.2417 12.39537853567782

Epoch: 2026-04-21T10:57Z

TLE epoch observation values (Epoch: 2026-04-21T10:57:29.433Z)

Latitude

0.95216°

Longitude

173.35895°

Altitude

1,909.394 km

Speed

6.759 km/s

True Right ascension

12h 29m 03s

True Declination

0° 56' 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

00:59:37

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,970.536 km

Perigee altitude

1,041.469 km

Semi-major axis

7,884.139 km

Eccentricity

0.05892

Inclination

99.734°

RAAN

7.1011°

Arg. of periapsis

28.2553°

True anomaly

150.67946°

Mean anomaly

147.2417°

Eccentric anomaly

148.98134°

Mean motion

3.10036 °/min

Orbital period

116.12 mins

BSTAR

0.0064879

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

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.
11 mins	2026-04-22 04:06:48.956Z	58.298° ENE	2026-04-22 04:10:48.956Z	89.014° E	19.636°	2026-04-22 04:17:48.956Z	135.253° SSE
17 mins	2026-04-22 05:58:48.956Z	14.012° NNE	2026-04-22 06:05:48.956Z	330.792° NNW	44.942°	2026-04-22 06:15:48.956Z	199.058° SSW
11 mins	2026-04-22 07:54:48.956Z	339.549° N	2026-04-22 07:59:48.956Z	299.138° NW	19.979°	2026-04-22 08:05:48.956Z	259.819° W
6 mins	2026-04-22 15:16:48.956Z	81.665° E	2026-04-22 15:18:48.956Z	59.714° ENE	17.17°	2026-04-22 15:22:48.956Z	19.647° NNE
11 mins	2026-04-22 17:07:48.956Z	175.393° S	2026-04-22 17:12:48.956Z	258.307° W	43.16°	2026-04-22 17:18:48.956Z	340.07° N

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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, 21452 on other resources

View DELTA 1 DEB, 21452 on Heavens-Above

View DELTA 1 DEB, 21452 on Keep Track

View DELTA 1 DEB, 21452 on Celestrak

View DELTA 1 DEB, 21452 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, 21452

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-04-21T10:57:29.433Z)

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, 21452 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago