DELTA 1 DEB, 21320

Orbit data source: Space-Track

DELTA 1 DEB, 21320 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/21320?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/21320?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21320, 1975-052AN

Orbit

SSO

Last TLE update

9 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 9 hours ago

0 DELTA 1 DEB
1 21320U 75052AN  25181.90098677  .00000178  00000-0  22705-3 0  9995
2 21320  99.5526  57.2179 0126885 299.0783 125.2519 13.73525262707336

Epoch: 2025-06-30T21:37Z

TLE epoch observation values (Epoch: 2025-06-30T21:37:25.256Z)

Latitude

63.90586°

Longitude

153.66965°

Altitude

1,052.604 km

Speed

7.304 km/s

True Right ascension

02h 28m 54s

True Declination

63° 46' 31"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

54.86844°

Longitude

7.79944°

Altitude

1,088.885 km

Speed

7.267 km/s

Apparent Right ascension

10h 20m 46s

Apparent Declination

46° 20' 56"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

18:17:10

Azimuth

321.943° NNW

Elevation

11.934°

Doppler factor

Orbital elements

Apogee altitude

1,077.621 km

Perigee altitude

890.787 km

Semi-major axis

7,362.341 km

Eccentricity

0.01269

Inclination

99.5526°

RAAN

57.2179°

Arg. of periapsis

299.0783°

True anomaly

Unknown

Mean anomaly

125.2519°

Eccentric anomaly

Unknown

Mean motion

3.43573 °/min

Orbital period

104.78 mins

BSTAR

0.00022705

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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, 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.
4 mins	2025-07-01 06:39:20.789Z	321.806° NNW	2025-07-01 06:41:20.789Z	302.858° NW	12.677°	2025-07-01 06:43:20.789Z	284.448° WNW
10 mins	2025-07-01 14:55:20.789Z	131.968° SE	2025-07-01 14:59:20.789Z	79.085° E	34.756°	2025-07-01 15:05:20.789Z	359.276° N
9 mins	2025-07-01 16:39:20.789Z	214.465° SW	2025-07-01 16:43:20.789Z	265.45° W	25.748°	2025-07-01 16:48:20.789Z	321.443° NNW
9 mins	2025-07-02 03:39:20.789Z	45.678° ENE	2025-07-02 03:43:20.789Z	96.057° ESE	27.411°	2025-07-02 03:48:20.789Z	153.038° SSE
10 mins	2025-07-02 05:22:20.789Z	355.272° N	2025-07-02 05:26:20.789Z	303.59° NW	35.034°	2025-07-02 05:32:20.789Z	224.569° SW

Authenticating...

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Check out DELTA 1 DEB, 21320 on other resources

View DELTA 1 DEB, 21320 on Heavens-Above

View DELTA 1 DEB, 21320 on Keep Track

View DELTA 1 DEB, 21320 on Celestrak

View DELTA 1 DEB, 21320 on Gunter's Space Page

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