THOR ABLESTAR R/B, 204

Orbit data source: Space-Track

THOR ABLESTAR R/B, 204 is space debris in LEO originally from a launch on Wed, 15 Nov 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/204?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/204?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

204, 1961-031C

Orbit

LEO

Country

Related business

United States Space Force (US)

Manufacturer

Aerojet

Mission

Spacecraft

Bus & Motor

ABLESTAR, Unknown motor

Mass

~600 kg wet, 600 kg dry

Launch date (UTC)

1961-11-15 (64 years ago)

Launch vehicle

Unknown

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 2.4 m

Radar Cross Section

6.048 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 16 hours ago

TLE from 16 hours ago

0 THOR ABLESTAR R/B
1 00204U 61031C   25261.22981521  .00000058  00000-0  44257-4 0  9992
2 00204  32.4435 342.8481 0098472  41.7133 319.0948 13.65055269185840

Epoch: 2025-09-18T05:30Z

TLE epoch observation values (Epoch: 2025-09-18T05:30:56.034Z)

Latitude

0.00001°

Longitude

-97.27976°

Altitude

961.399 km

Speed

7.4 km/s

True Right ascension

22h 51m 23s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

14:25:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,093.626 km

Perigee altitude

947.909 km

Semi-major axis

7,398.904 km

Eccentricity

0.00985

Inclination

32.4435°

RAAN

342.8481°

Arg. of periapsis

41.7133°

True anomaly

318.34899°

Mean anomaly

319.0948°

Eccentric anomaly

318.72259°

Mean motion

3.4103 °/min

Orbital period

105.56 mins

BSTAR

0.000044257

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Other satellites on launch #31 in the year 1961 (1961-11-15 UTC)

TRANSIT 4B, 202

TRAAC, 205

TRAAC DEB, 10796

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THOR ABLESTAR R/B Visibility forecast

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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.
7 mins	2025-09-19 08:01:49.516Z	188.157° SSW	2025-09-19 08:05:49.516Z	148.315° SSE	15.731°	2025-09-19 08:08:49.516Z	118.568° SE
9 mins	2025-09-19 09:52:49.516Z	219.881° SW	2025-09-19 09:56:49.516Z	164.351° S	29.786°	2025-09-19 10:01:49.516Z	105.759° ESE
10 mins	2025-09-19 11:43:49.516Z	245.276° WSW	2025-09-19 11:47:49.516Z	193.791° SSW	34.09°	2025-09-19 11:53:49.516Z	114.791° SE
9 mins	2025-09-19 13:35:49.516Z	247.765° W	2025-09-19 13:39:49.516Z	197.954° SSW	27.013°	2025-09-19 13:44:49.516Z	142.143° SSE

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out THOR ABLESTAR R/B, 204 on other resources

View THOR ABLESTAR R/B, 204 on Heavens-Above

View THOR ABLESTAR R/B, 204 on Keep Track

View THOR ABLESTAR R/B, 204 on Celestrak

View THOR ABLESTAR R/B, 204 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

THOR ABLESTAR R/B, 204

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2025-09-18T05:30:56.034Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #31 in the year 1961 (1961-11-15 UTC)

THOR ABLESTAR R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out THOR ABLESTAR R/B, 204 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago