THOR ABLESTAR DEB, 261

Orbit data source: Space-Track

THOR ABLESTAR DEB, 261 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/261?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

261, 1961-015CH

Orbit

LEO

Last TLE update

16 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 16 hours ago

0 THOR ABLESTAR DEB
1 00261U 61015CH  25224.39625498  .00000105  00000-0  11957-3 0  9995
2 00261  66.6807 102.9903 0089574 191.0065 168.9061 14.00892176268839

Epoch: 2025-08-12T09:30Z

TLE epoch observation values (Epoch: 2025-08-12T09:30:36.43Z)

Latitude

-0.00001°

Longitude

-0.751°

Altitude

956.706 km

Speed

7.341 km/s

True Right ascension

06h 51m 57s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

64.11302°

Longitude

59.68921°

Altitude

925.202 km

Speed

7.383 km/s

Apparent Right ascension

06h 15m 39s

Apparent Declination

26° 22' 15"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

15:44:57

Azimuth

325.464° NNW

Elevation

-15.003°

Doppler factor

Orbital elements

Apogee altitude

954.202 km

Perigee altitude

824.011 km

Semi-major axis

7,267.244 km

Eccentricity

0.00896

Inclination

66.6807°

RAAN

102.9903°

Arg. of periapsis

191.0065°

True anomaly

169.10146°

Mean anomaly

168.9061°

Eccentric anomaly

169.00399°

Mean motion

3.50339 °/min

Orbital period

102.76 mins

BSTAR

0.00011957

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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°
Set Observer location

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	2025-08-13 01:28:28.627Z	359.667° N	2025-08-13 01:32:28.627Z	50.573° ENE	22.101°	2025-08-13 01:36:28.627Z	97.794° ESE
9 mins	2025-08-13 03:14:28.627Z	317.719° NNW	2025-08-13 03:18:28.627Z	236.169° WSW	40.079°	2025-08-13 03:23:28.627Z	169.035° S
9 mins	2025-08-13 16:28:28.627Z	161.183° S	2025-08-13 16:32:28.627Z	110.562° ESE	27.418°	2025-08-13 16:37:28.627Z	51.152° ENE
10 mins	2025-08-13 18:13:28.627Z	239.216° WSW	2025-08-13 18:18:28.627Z	316.625° NNW	34.813°	2025-08-13 18:23:28.627Z	16.307° NNE

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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Authenticating...

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Check out THOR ABLESTAR DEB, 261 on other resources

View THOR ABLESTAR DEB, 261 on Heavens-Above

View THOR ABLESTAR DEB, 261 on Keep Track

View THOR ABLESTAR DEB, 261 on Celestrak

View THOR ABLESTAR DEB, 261 on Gunter's Space Page

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