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 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

6 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 6 hours ago

0 THOR ABLESTAR DEB
1 00538U 61015FX  25182.59234457  .00002661  00000-0  55548-3 0  9991
2 00538  67.8042 165.9468 0011385 270.3810  89.6009 14.61294654312306

Epoch: 2025-07-01T14:12Z

TLE epoch observation values (Epoch: 2025-07-01T14:12:58.57Z)

Latitude

0°

Longitude

32.81717°

Altitude

691.173 km

Speed

7.511 km/s

True Right ascension

11h 03m 47s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-35.62472°

Longitude

-130.92559°

Altitude

696.705 km

Speed

7.51 km/s

Apparent Right ascension

22h 10m 28s

Apparent Declination

-42° 14' 56"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

07:48:36

Azimuth

253.303° W

Elevation

-63.36°

Doppler factor

Orbital elements

Apogee altitude

695.263 km

Perigee altitude

679.176 km

Semi-major axis

7,065.357 km

Eccentricity

0.00114

Inclination

67.8042°

RAAN

165.9468°

Arg. of periapsis

270.381°

True anomaly

Unknown

Mean anomaly

89.6009°

Eccentric anomaly

Unknown

Mean motion

3.65462 °/min

Orbital period

98.51 mins

BSTAR

0.00055548

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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	2025-07-02 00:11:34.325Z	188.762° SSW	2025-07-02 00:15:34.325Z	126.731° SE	39.123°	2025-07-02 00:19:34.325Z	39.474° NE
5 mins	2025-07-02 01:55:34.325Z	284.863° WNW	2025-07-02 01:57:34.325Z	316.283° NNW	18.261°	2025-07-02 02:00:34.325Z	355.626° N
6 mins	2025-07-02 08:50:34.325Z	13.5° NNE	2025-07-02 08:52:34.325Z	49.027° ENE	24.14°	2025-07-02 08:56:34.325Z	108.363° ESE
7 mins	2025-07-02 10:30:34.325Z	308.783° NW	2025-07-02 10:33:34.325Z	258.545° W	30.448°	2025-07-02 10:37:34.325Z	187.934° SSW

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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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