DELTA 1 DEB, 21317

Orbit data source: Space-Track

DELTA 1 DEB, 21317 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 src="https://www.satcat.com/sats-embedded/21317?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/21317?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21317, 1975-052AK

Orbit

SSO

Last TLE update

11 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 11 hours ago

0 DELTA 1 DEB
1 21317U 75052AK  25186.47778361  .00001241  00000-0  21491-2 0  9995
2 21317 100.0968 121.9462 0219189  74.6207 354.5256 13.37109415634109

Epoch: 2025-07-05T11:28Z

TLE epoch observation values (Epoch: 2025-07-05T11:28:00.503Z)

Latitude

66.79367°

Longitude

1.82481°

Altitude

967.921 km

Speed

7.454 km/s

True Right ascension

06h 30m 10s

True Declination

66° 40' 21"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-27.81705°

Longitude

-158.66186°

Altitude

1,243.813 km

Speed

7.177 km/s

Apparent Right ascension

21h 04m 38s

Apparent Declination

-35° 18' 11"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

10:51:48

Azimuth

86.232° E

Elevation

-68.369°

Doppler factor

Orbital elements

Apogee altitude

1,281.698 km

Perigee altitude

953.11 km

Semi-major axis

7,495.541 km

Eccentricity

0.02192

Inclination

100.0968°

RAAN

121.9462°

Arg. of periapsis

74.6207°

True anomaly

Unknown

Mean anomaly

354.5256°

Eccentric anomaly

Unknown

Mean motion

3.34456 °/min

Orbital period

107.64 mins

BSTAR

0.0021491

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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	2025-07-06 07:29:32.040Z	43.35° NE	2025-07-06 07:34:32.040Z	97.828° ESE	23.02°	2025-07-06 07:39:32.040Z	148.535° SSE
10 mins	2025-07-06 09:16:32.040Z	358.559° N	2025-07-06 09:20:32.040Z	297.122° NW	38.108°	2025-07-06 09:26:32.040Z	218.712° SW
4 mins	2025-07-06 17:52:32.040Z	72.163° E	2025-07-06 17:53:32.040Z	61.549° ENE	13.456°	2025-07-06 17:56:32.040Z	30.153° NE
10 mins	2025-07-06 19:34:32.040Z	163.141° S	2025-07-06 19:39:32.040Z	342.268° N	44.88°	2025-07-06 19:44:32.040Z	344.656° N

Authenticating...

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Check out DELTA 1 DEB, 21317 on other resources

View DELTA 1 DEB, 21317 on Heavens-Above

View DELTA 1 DEB, 21317 on Keep Track

View DELTA 1 DEB, 21317 on Celestrak

View DELTA 1 DEB, 21317 on Gunter's Space Page

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