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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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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 (64 years ago)

Launch vehicle

THOR ABLESTAR

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 5 hours ago

TLE from 5 hours ago

0 TRAAC
1   205U 61031B   26044.16569465  .00000051  00000-0  36975-4 0  9996
2   205  32.4411  58.1594 0101826 112.6520 248.4905 13.62566708202146

Epoch: 2026-02-13T03:58Z

TLE epoch observation values (Epoch: 2026-02-13T03:58:36.017Z)

Latitude

-0.00001°

Longitude

-144.69769°

Altitude

1,053.419 km

Speed

7.313 km/s

True Right ascension

03h 52m 38s

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

11:59:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,105.197 km

Perigee altitude

954.334 km

Semi-major axis

7,407.903 km

Eccentricity

0.01018

Inclination

32.4411°

RAAN

58.1594°

Arg. of periapsis

112.652°

True anomaly

247.41003°

Mean anomaly

248.4905°

Eccentric anomaly

247.94975°

Mean motion

3.40408 °/min

Orbital period

105.76 mins

BSTAR

0.000036975

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

THOR ABLESTAR R/B, 204

TRANSIT 4B, 202

TRAAC DEB, 10796

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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.
9 mins	2026-02-13 09:45:35.902Z	248.828° W	2026-02-13 09:49:35.902Z	203.754° SW	23.279°	2026-02-13 09:54:35.902Z	149.514° SSE
4 mins	2026-02-14 03:02:35.902Z	164.078° S	2026-02-14 03:03:35.902Z	154.446° SSE	13.637°	2026-02-14 03:06:35.902Z	125.915° SE
9 mins	2026-02-14 04:51:35.902Z	213.701° SW	2026-02-14 04:55:35.902Z	161.863° S	28.043°	2026-02-14 05:00:35.902Z	105.551° ESE
10 mins	2026-02-14 06:42:35.902Z	243.173° WSW	2026-02-14 06:47:35.902Z	170.878° S	34.359°	2026-02-14 06:52:35.902Z	112.117° ESE
10 mins	2026-02-14 08:34:35.902Z	250.747° W	2026-02-14 08:38:35.902Z	202.976° SW	28.671°	2026-02-14 08:44:35.902Z	133.331° SE

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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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Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

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

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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: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2026-02-13T03:58:36.017Z)

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: 5 hours ago