THOR ABLESTAR DEB, 558

Orbit data source: Space-Track

THOR ABLESTAR DEB, 558 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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https://www.satcat.com/sats-embedded/558?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

558, 1961-015GQ

Orbit

LEO

Country

Related business

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
Last TLE update: 22 hours ago

TLE from 22 hours ago

0 THOR ABLESTAR DEB
1 00558U 61015GQ  25259.96664450  .00000095  00000-0  39031-3 0  9997
2 00558  65.7013  20.8002 0478482 209.4691 252.3825 12.86437026 14414

Epoch: 2025-09-16T23:11Z

TLE epoch observation values (Epoch: 2025-09-16T23:11:58.084Z)

Latitude

64.94852°

Longitude

142.66628°

Altitude

1,453.077 km

Speed

7.083 km/s

True Right ascension

08h 27m 13s

True Declination

64° 49' 41"

Sunlit

Object was in daylight 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

14:11:32

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,682.358 km

Perigee altitude

946.22 km

Semi-major axis

7,692.426 km

Eccentricity

0.04785

Inclination

65.7013°

RAAN

20.8002°

Arg. of periapsis

209.4691°

True anomaly

247.25647°

Mean anomaly

252.3825°

Eccentric anomaly

249.80947°

Mean motion

3.21698 °/min

Orbital period

111.91 mins

BSTAR

0.00039031

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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)

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THOR ABLESTAR DEB 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.
16 mins	2025-09-18 08:19:46.598Z	164.565° S	2025-09-18 08:27:46.598Z	104.764° ESE	30.313°	2025-09-18 08:35:46.598Z	47.153° ENE
17 mins	2025-09-18 10:14:46.598Z	225.957° WSW	2025-09-18 10:22:46.598Z	302.882° NW	42.333°	2025-09-18 10:31:46.598Z	25.803° NE
12 mins	2025-09-18 12:14:46.598Z	287.58° WNW	2025-09-18 12:20:46.598Z	330.59° NNW	20.681°	2025-09-18 12:26:46.598Z	13.156° NNE
4 mins	2025-09-18 14:18:46.598Z	346.749° N	2025-09-18 14:19:46.598Z	353.37° N	11.248°	2025-09-18 14:22:46.598Z	13.739° NNE
9 mins	2025-09-18 16:15:46.598Z	352.753° N	2025-09-18 16:19:46.598Z	23.415° NE	17.598°	2025-09-18 16:24:46.598Z	65.991° ENE
13 mins	2025-09-18 18:10:46.598Z	335.683° NNW	2025-09-18 18:17:46.598Z	53.791° ENE	41.447°	2025-09-18 18:23:46.598Z	132.881° SE
9 mins	2025-09-18 20:07:46.598Z	300.815° NW	2025-09-18 20:12:46.598Z	251.624° W	23.115°	2025-09-18 20:16:46.598Z	210.24° SW

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 DEB, 558 on other resources

View THOR ABLESTAR DEB, 558 on Heavens-Above

View THOR ABLESTAR DEB, 558 on Keep Track

View THOR ABLESTAR DEB, 558 on Celestrak

View THOR ABLESTAR DEB, 558 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 DEB, 558

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2025-09-16T23:11:58.084Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

THOR ABLESTAR DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out THOR ABLESTAR DEB, 558 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 22 hours ago