DELTA 1 DEB, 21463

Orbit data source: Space-Track

DELTA 1 DEB, 21463 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/21463?theme=dark&initialShowStats=false

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Identifier

21463, 1975-052EX

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: 13 hours ago

TLE from 13 hours ago

0 DELTA 1 DEB
1 21463U 75052EX  25337.21592087  .00000344  00000-0  50653-3 0  9992
2 21463  99.8517 207.5409 0155682 357.8564 126.1467 13.57089838708823

Epoch: 2025-12-03T05:10Z

TLE epoch observation values (Epoch: 2025-12-03T05:10:55.563Z)

Latitude

53.49933°

Longitude

-108.97816°

Altitude

1,124.301 km

Speed

7.261 km/s

True Right ascension

02h 44m 10s

True Declination

53° 20' 34"

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

16:01:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,159.129 km

Perigee altitude

928.043 km

Semi-major axis

7,421.723 km

Eccentricity

0.01557

Inclination

99.8517°

RAAN

207.5409°

Arg. of periapsis

357.8564°

True anomaly

127.57078°

Mean anomaly

126.1467°

Eccentric anomaly

126.86038°

Mean motion

3.39458 °/min

Orbital period

106.05 mins

BSTAR

0.00050653

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

DELTA 1 DEB, 21328 (Decayed)

DELTA 1 DEB, 21474 (Decayed)

DELTA 1 DEB, 42632

DELTA 1 DEB, 21436 (Decayed)

DELTA 1 DEB, 21494 (Decayed)

DELTA 1 DEB, 21687 (Decayed)

DELTA 1 DEB, 37627 (Decayed)

DELTA 1 DEB, 42660 (Decayed)

DELTA 1 DEB, 21318 (Decayed)

DELTA 1 DEB, 21562 (Decayed)

DELTA 1 DEB, 21350 (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.
13 mins	2025-12-04 04:09:28.417Z	21.632° NNE	2025-12-04 04:15:28.417Z	98.813° ESE	42.623°	2025-12-04 04:22:28.417Z	185.511° SSW
8 mins	2025-12-04 05:56:28.417Z	334.562° NNW	2025-12-04 05:59:28.417Z	300.75° NW	21.918°	2025-12-04 06:04:28.417Z	252.028° W
9 mins	2025-12-04 14:20:28.417Z	113.447° SE	2025-12-04 14:24:28.417Z	61.415° ENE	25.853°	2025-12-04 14:29:28.417Z	6.229° NNE
10 mins	2025-12-04 16:04:28.417Z	196.325° SSW	2025-12-04 16:08:28.417Z	253.427° W	33.917°	2025-12-04 16:14:28.417Z	331.207° 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, 21463 on other resources

View DELTA 1 DEB, 21463 on Heavens-Above

View DELTA 1 DEB, 21463 on Keep Track

View DELTA 1 DEB, 21463 on Celestrak

View DELTA 1 DEB, 21463 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, 21463

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2025-12-03T05:10:55.563Z)

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, 21463 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago