ATLAS 28E DEB, 20564

Orbit data source: Space-Track

ATLAS 28E DEB, 20564 is space debris in LEO originally from a launch on Wed, 11 Apr 1990 UTC via an ATLAS E ALTAIR launch vehicle 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/20564?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

20564, 1990-031E

Orbit

LEO

Last TLE update

10 hours ago

Origin

United States Air Force (US)

Manufacturer

Ball

Mission

Spacecraft

Bus & Motor

PDD MASS, Unknown motor

Mass

Unknown

Launch date (UTC)

1990-04-11 (35 years ago)

Launch vehicle

ATLAS E ALTAIR

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 ATLAS 28E DEB
1 20564U 90031E   25161.84969539  .00001658  00000-0  17942-3 0  9994
2 20564  89.8458 271.1751 0054623 161.9660 198.3522 14.86738533316877

Epoch: 2025-06-10T20:23Z

TLE epoch observation values (Epoch: 2025-06-10T20:23:33.681Z)

Latitude

-0.00006°

Longitude

65.84411°

Altitude

647.533 km

Speed

7.514 km/s

True Right ascension

18h 04m 42s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

8.92328°

Longitude

-114.18845°

Altitude

573.04 km

Speed

7.595 km/s

Apparent Right ascension

05h 41m 52s

Apparent Declination

-14° 23' 42"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

17:10:01

Azimuth

342.469° N

Elevation

-63.542°

Doppler factor

Orbital elements

Apogee altitude

643.131 km

Perigee altitude

566.844 km

Semi-major axis

6,983.125 km

Eccentricity

0.00546

Inclination

89.8458°

RAAN

271.1751°

Arg. of periapsis

161.966°

True anomaly

Unknown

Mean anomaly

198.3522°

Eccentric anomaly

Unknown

Mean motion

3.71936 °/min

Orbital period

96.79 mins

BSTAR

0.00017942

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Other satellites on launch #31 in the year 1990 (1990-04-11 UTC)

USA 56-58 DEB, 24636 (Decayed)

ATLAS 28E 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.
8 mins	2025-06-11 07:49:00.988Z	182.985° SSW	2025-06-11 07:53:00.988Z	298.954° NW	43.791°	2025-06-11 07:57:00.988Z	354.384° N
6 mins	2025-06-11 19:36:00.988Z	8.153° NNE	2025-06-11 19:38:00.988Z	62.3° ENE	44.28°	2025-06-11 19:42:00.988Z	178.922° S

Authenticating...

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Check out ATLAS 28E DEB, 20564 on other resources

View ATLAS 28E DEB, 20564 on Heavens-Above

View ATLAS 28E DEB, 20564 on Keep Track

View ATLAS 28E DEB, 20564 on Celestrak

View ATLAS 28E DEB, 20564 on Gunter's Space Page

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