THOR ABLESTAR DEB, 538

Orbit data source: Space-Track

THOR ABLESTAR DEB, 538 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/538?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/538?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

538, 1961-015FX

Orbit

LEO

Last TLE update

23 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 23 hours ago

0 THOR ABLESTAR DEB
1 00538U 61015FX  25189.29990668  .00002910  00000-0  60506-3 0  9995
2 00538  67.8043 148.3243 0011064 266.0027  93.9831 14.61337819313289

Epoch: 2025-07-08T07:11Z

TLE epoch observation values (Epoch: 2025-07-08T07:11:51.937Z)

Latitude

-0.00005°

Longitude

113.861°

Altitude

691.633 km

Speed

7.511 km/s

True Right ascension

09h 53m 17s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

67.59408°

Longitude

-148.53296°

Altitude

707.482 km

Speed

7.505 km/s

Apparent Right ascension

08h 48m 11s

Apparent Declination

38° 07' 40"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

18:46:45

Azimuth

336.378° NNW

Elevation

-7.148°

Doppler factor

Orbital elements

Apogee altitude

694.897 km

Perigee altitude

679.263 km

Semi-major axis

7,065.217 km

Eccentricity

0.00111

Inclination

67.8043°

RAAN

148.3243°

Arg. of periapsis

266.0027°

True anomaly

Unknown

Mean anomaly

93.9831°

Eccentric anomaly

Unknown

Mean motion

3.65473 °/min

Orbital period

98.5 mins

BSTAR

0.00060506

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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	2025-07-09 06:43:23.533Z	8.607° NNE	2025-07-09 06:46:23.533Z	48.168° ENE	16.331°	2025-07-09 06:49:23.533Z	87.224° E
8 mins	2025-07-09 08:24:23.533Z	323.76° NNW	2025-07-09 08:27:23.533Z	280.403° WNW	41.162°	2025-07-09 08:32:23.533Z	164.999° S
7 mins	2025-07-09 22:46:23.533Z	212.404° SW	2025-07-09 22:49:23.533Z	297.881° NW	44.581°	2025-07-09 22:53:23.533Z	24.622° NE

Authenticating...

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Check out THOR ABLESTAR DEB, 538 on other resources

View THOR ABLESTAR DEB, 538 on Heavens-Above

View THOR ABLESTAR DEB, 538 on Keep Track

View THOR ABLESTAR DEB, 538 on Celestrak

View THOR ABLESTAR DEB, 538 on Gunter's Space Page

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