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

10 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 10 hours ago

0 THOR ABLESTAR DEB
1   538U 61015FX  25171.02483290  .00002810  00000-0  58622-3 0  9990
2   538  67.8042 196.3357 0011290 277.3117  82.6722 14.61240361311314

Epoch: 2025-06-20T00:35Z

TLE epoch observation values (Epoch: 2025-06-20T00:35:45.562Z)

Latitude

-0.0001°

Longitude

-81.08828°

Altitude

690.386 km

Speed

7.512 km/s

True Right ascension

13h 05m 20s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

38.64628°

Longitude

78.82961°

Altitude

699.865 km

Speed

7.507 km/s

Apparent Right ascension

03h 53m 55s

Apparent Declination

7° 37' 53"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

22:00:03

Azimuth

85.108° E

Elevation

6.061°

Doppler factor

Orbital elements

Apogee altitude

695.372 km

Perigee altitude

679.418 km

Semi-major axis

7,065.532 km

Eccentricity

0.00113

Inclination

67.8042°

RAAN

196.3357°

Arg. of periapsis

277.3117°

True anomaly

Unknown

Mean anomaly

82.6722°

Eccentric anomaly

Unknown

Mean motion

3.65448 °/min

Orbital period

98.51 mins

BSTAR

0.00058622

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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.
8 mins	2025-06-20 12:38:52.649Z	333.449° NNW	2025-06-20 12:42:52.649Z	17.687° NNE	44.902°	2025-06-20 12:46:52.649Z	152.157° SSE
8 mins	2025-06-21 03:00:52.649Z	196.429° SSW	2025-06-21 03:04:52.649Z	81.253° E	42.863°	2025-06-21 03:08:52.649Z	32.424° NE
4 mins	2025-06-21 04:44:52.649Z	295.305° NW	2025-06-21 04:45:52.649Z	309.513° NW	15.318°	2025-06-21 04:48:52.649Z	348.976° N

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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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