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TRAAC, 205

Orbit data source: Space-Track

TRAAC, 205 is a payload satellite owned by USN BuWeps (US) in LEO that was launched on Wed, 15 Nov 1961 UTC via a THOR ABLESTAR launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Iframe URL

https://www.satcat.com/sats-embedded/205?theme=dark&initialShowStats=false

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Identifier

205, 1961-031B

Orbit

LEO

Country

Related business

United States Navy (US)

Manufacturer

APL

Mission

Spacecraft

Bus & Motor

TRANSIT 4, Unknown motor

Mass

105 kg wet, 105 kg dry

Launch date (UTC)

1961-11-15 (65 years ago)

Launch vehicle

THOR ABLESTAR

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

DISK + ANT, 1.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 TRAAC
1 00205U 61031B   26313.89896462  .00000055  00000-0  41540-4 0  9993
2 00205  32.4386 149.9514 0101952 356.8691   3.1286 13.62580699238950

Epoch: 2026-11-09T21:34Z

TLE epoch observation values (Epoch: 2026-11-09T21:34:30.543Z)

Latitude

0.00002°

Longitude

137.25527°

Altitude

949.711 km

Speed

7.416 km/s

True Right ascension

09h 59m 48s

True Declination

0° 00' 00"

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

04:07:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,105.24 km

Perigee altitude

954.191 km

Semi-major axis

7,407.852 km

Eccentricity

0.0102

Inclination

32.4386°

RAAN

149.9514°

Arg. of periapsis

356.8691°

True anomaly

3.19318°

Mean anomaly

3.1286°

Eccentric anomaly

3.16081°

Mean motion

3.40412 °/min

Orbital period

105.75 mins

BSTAR

0.00004154

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

TRANSIT 4B, 202

TRAAC DEB, 10796

THOR ABLESTAR R/B, 204

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TRAAC 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.
4 mins	2026-11-10 15:20:55.143Z	164.804° S	2026-11-10 15:22:55.143Z	146.042° SSE	12.061°	2026-11-10 15:24:55.143Z	127.733° SE
9 mins	2026-11-10 17:09:55.143Z	212.56° SW	2026-11-10 17:13:55.143Z	163.933° S	30.985°	2026-11-10 17:18:55.143Z	106.628° ESE
11 mins	2026-11-10 19:00:55.143Z	242.637° WSW	2026-11-10 19:05:55.143Z	175.426° S	45.122°	2026-11-10 19:11:55.143Z	108.34° ESE
11 mins	2026-11-10 20:52:55.143Z	252.416° W	2026-11-10 20:57:55.143Z	190.063° SSW	37.753°	2026-11-10 21:03:55.143Z	129.014° SE
8 mins	2026-11-10 22:45:55.143Z	241.475° WSW	2026-11-10 22:48:55.143Z	212.721° SW	19.002°	2026-11-10 22:53:55.143Z	166.639° S

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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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Check out TRAAC, 205 on other resources

View TRAAC, 205 on NASA - NSSDCA Website

View TRAAC, 205 on Heavens-Above

View TRAAC, 205 on Keep Track

View TRAAC, 205 on Celestrak

View TRAAC, 205 on Gunter's Space Page

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

TRAAC, 205

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-11-09T21:34:30.543Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

TRAAC Visibility forecast

Co-orbital & Co-planar RSOs

Check out TRAAC, 205 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago