THOR ABLESTAR DEB, 543

Orbit data source: Space-Track

THOR ABLESTAR DEB, 543 is space debris in LEO originally from a launch on Thu, 29 Jun 1961 UTC launched from the Air Force Eastern Test Range (AFETR). 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/543?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/543?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

543, 1961-015GC

Orbit

LEO

Last TLE update

22 hours ago

Origin

United States Space Force (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1961-06-29 (64 years ago)

Launch vehicle

Unknown

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history

TLE from 22 hours ago

0 THOR ABLESTAR DEB
1   543U 61015GC  25195.91220942  .00000069  00000-0  15886-3 0  9992
2   543  67.0324  10.7880 0062006  82.8378  65.7920 13.69074885191067

Epoch: 2025-07-14T21:53Z

TLE epoch observation values (Epoch: 2025-07-14T21:53:34.893Z)

Latitude

28.11358°

Longitude

-83.63895°

Altitude

986.991 km

Speed

7.37 km/s

True Right ascension

11h 51m 04s

True Declination

27° 58' 31"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

61.15578°

Longitude

157.15171°

Altitude

967.479 km

Speed

7.397 km/s

Apparent Right ascension

23h 37m 07s

Apparent Declination

24° 01' 25"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

08:53:59

Azimuth

321.722° NNW

Elevation

-15.618°

Doppler factor

Orbital elements

Apogee altitude

1,047.035 km

Perigee altitude

955.521 km

Semi-major axis

7,379.415 km

Eccentricity

0.0062

Inclination

67.0324°

RAAN

10.788°

Arg. of periapsis

82.8378°

True anomaly

Unknown

Mean anomaly

65.792°

Eccentric anomaly

Unknown

Mean motion

3.42381 °/min

Orbital period

105.15 mins

BSTAR

0.00015886

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Other satellites on launch #15 in the year 1961 (1961-06-29 UTC)

TRANSIT 4A, 116

THOR ABLESTAR DEB, 140 (Decayed)

THOR ABLESTAR DEB, 141

THOR ABLESTAR DEB, 142 (Decayed)

THOR ABLESTAR DEB, 143 (Decayed)

THOR ABLESTAR DEB, 144

THOR ABLESTAR DEB, 145

THOR ABLESTAR DEB, 146 (Decayed)

THOR ABLESTAR DEB, 147

THOR ABLESTAR DEB, 148

THOR ABLESTAR DEB, 149 (Decayed)

THOR ABLESTAR DEB, 150

THOR ABLESTAR DEB, 151 (Decayed)

THOR ABLESTAR DEB, 152

THOR ABLESTAR DEB, 153 (Decayed)

THOR ABLESTAR 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.
6 mins	2025-07-15 20:29:43.907Z	7.69° NNE	2025-07-15 20:32:43.907Z	37.98° NE	15.014°	2025-07-15 20:35:43.907Z	68.698° E
10 mins	2025-07-15 22:17:43.907Z	337.532° N	2025-07-15 22:21:43.907Z	32.449° NE	43.599°	2025-07-15 22:27:43.907Z	144.729° SSE
6 mins	2025-07-16 00:06:43.907Z	286.07° WNW	2025-07-16 00:09:43.907Z	253.821° W	16.655°	2025-07-16 00:12:43.907Z	223.268° SW
7 mins	2025-07-16 11:52:43.907Z	144.279° SSE	2025-07-16 11:55:43.907Z	108.074° ESE	22.145°	2025-07-16 11:59:43.907Z	61.537° ENE
10 mins	2025-07-16 13:38:43.907Z	228.998° WSW	2025-07-16 13:43:43.907Z	309.578° NW	39.473°	2025-07-16 13:48:43.907Z	18.343° NNE

Authenticating...

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Check out THOR ABLESTAR DEB, 543 on other resources

View THOR ABLESTAR DEB, 543 on Heavens-Above

View THOR ABLESTAR DEB, 543 on Keep Track

View THOR ABLESTAR DEB, 543 on Celestrak

View THOR ABLESTAR DEB, 543 on Gunter's Space Page

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