DELTA 1 DEB, 21444

Orbit data source: Space-Track

DELTA 1 DEB, 21444 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/21444?theme=dark&initialShowStats=false

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Identifier

21444, 1975-052EC

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)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 DELTA 1 DEB
1 21444U 75052EC  26031.25767300  .00000366  00000-0  12274-2 0  9999
2 21444  99.6975 320.0058 0266915   5.6093 150.2812 12.94823827639162

Epoch: 2026-01-31T06:11Z

TLE epoch observation values (Epoch: 2026-01-31T06:11:02.947Z)

Latitude

22.30929°

Longitude

-79.2396°

Altitude

1,463.881 km

Speed

7.049 km/s

True Right ascension

09h 36m 01s

True Declination

22° 11' 59"

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

15:09:30

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,484.213 km

Perigee altitude

1,075.409 km

Semi-major axis

7,657.948 km

Eccentricity

0.02669

Inclination

99.6975°

RAAN

320.0058°

Arg. of periapsis

5.6093°

True anomaly

151.75459°

Mean anomaly

150.2812°

Eccentric anomaly

151.02211°

Mean motion

3.23873 °/min

Orbital period

111.15 mins

BSTAR

0.0012274

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

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 18:35:55.339Z	144.146° SSE	2026-02-01 18:40:55.339Z	55.992° ENE	41.114°	2026-02-01 18:46:55.339Z	352.771° N
7 mins	2026-02-01 20:27:55.339Z	237.054° WSW	2026-02-01 20:30:55.339Z	270.959° WNW	19.832°	2026-02-01 20:34:55.339Z	310.713° NW
8 mins	2026-02-02 06:15:55.339Z	62.394° ENE	2026-02-02 06:18:55.339Z	86.954° E	16.901°	2026-02-02 06:23:55.339Z	125.509° SE
15 mins	2026-02-02 08:02:55.339Z	15.19° NNE	2026-02-02 08:09:55.339Z	187.777° SSW	44.773°	2026-02-02 08:17:55.339Z	196.658° SSW
9 mins	2026-02-02 09:53:55.339Z	339.073° N	2026-02-02 09:57:55.339Z	304.672° NW	19.801°	2026-02-02 10:02:55.339Z	264.06° W

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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, 21444 on other resources

View DELTA 1 DEB, 21444 on Heavens-Above

View DELTA 1 DEB, 21444 on Keep Track

View DELTA 1 DEB, 21444 on Celestrak

View DELTA 1 DEB, 21444 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, 21444

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-01-31T06:11:02.947Z)

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, 21444 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago