DELTA 1 DEB, 21289

Orbit data source: Space-Track

DELTA 1 DEB, 21289 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/21289?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21289, 1975-052AA

Orbit

SSO

Last TLE update

10 hours ago

Origin

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

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 DELTA 1 DEB
1 21289U 75052AA  25181.84317100  .00000475  00000-0  14748-2 0  9994
2 21289  99.8791 194.8983 0247715  83.7787  90.7411 12.99967932618896

Epoch: 2025-06-30T20:14Z

TLE epoch observation values (Epoch: 2025-06-30T20:14:09.974Z)

Latitude

2.51052°

Longitude

152.64488°

Altitude

1,271.771 km

Speed

7.217 km/s

True Right ascension

01h 01m 20s

True Declination

2° 29' 47"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-61.78734°

Longitude

-8.57049°

Altitude

1,441.487 km

Speed

7.067 km/s

Apparent Right ascension

08h 56m 39s

Apparent Declination

-70° 18' 07"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

17:44:09

Azimuth

203.482° SW

Elevation

-50.957°

Doppler factor

Orbital elements

Apogee altitude

1,448.789 km

Perigee altitude

1,070.393 km

Semi-major axis

7,637.728 km

Eccentricity

0.02477

Inclination

99.8791°

RAAN

194.8983°

Arg. of periapsis

83.7787°

True anomaly

Unknown

Mean anomaly

90.7411°

Eccentric anomaly

Unknown

Mean motion

3.2516 °/min

Orbital period

110.71 mins

BSTAR

0.0014748

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

DELTA 1 DEB, 21318 (Decayed)

DELTA 1 DEB, 21319

DELTA 1 DEB, 21320

DELTA 1 DEB, 21321 (Decayed)

DELTA 1 DEB Visibility forecast

Observer location: undefined°, undefined°

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.
10 mins	2025-07-01 12:36:25.076Z	46.901° ENE	2025-07-01 12:41:25.076Z	102.283° ESE	23.672°	2025-07-01 12:46:25.076Z	148.529° SSE
11 mins	2025-07-01 14:25:25.076Z	0.602° NNE	2025-07-01 14:30:25.076Z	286.209° WNW	38.827°	2025-07-01 14:36:25.076Z	218.225° SW
8 mins	2025-07-01 23:14:25.076Z	95.702° ESE	2025-07-01 23:17:25.076Z	65.351° ENE	19.299°	2025-07-01 23:22:25.076Z	14.921° NNE
11 mins	2025-07-02 01:01:25.076Z	175.979° S	2025-07-02 01:06:25.076Z	253.123° W	43.126°	2025-07-02 01:12:25.076Z	339.223° N

Authenticating...

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Check out DELTA 1 DEB, 21289 on other resources

View DELTA 1 DEB, 21289 on Heavens-Above

View DELTA 1 DEB, 21289 on Keep Track

View DELTA 1 DEB, 21289 on Celestrak

View DELTA 1 DEB, 21289 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.