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TRANSIT 2A, 45

Orbit data source: Space-Track

TRANSIT 2A, 45 is a payload satellite owned by USN BuWeps (US) in LEO that was launched on Wed, 22 Jun 1960 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/45?theme=dark&initialShowStats=false

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Identifier

45, 1960-007A

Orbit

LEO

Country

Related business

United States Navy (US)

Manufacturer

APL

Mission

Spacecraft

Bus & Motor

TRANSIT 1, Unknown motor

Mass

100 kg wet, 100 kg dry

Launch date (UTC)

1960-06-22 (66 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: 9 hours ago

TLE from 9 hours ago

0 TRANSIT 2A
1    45U 60007A   26087.71354786  .00000609  00000-0  17159-3 0  9997
2    45  66.6934 213.0499 0253344 219.2240 139.0267 14.35911019368496

Epoch: 2026-03-28T17:07Z

TLE epoch observation values (Epoch: 2026-03-28T17:07:30.535Z)

Latitude

0.00005°

Longitude

130.04285°

Altitude

912.853 km

Speed

7.324 km/s

True Right ascension

14h 12m 11s

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

07:03:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

951.514 km

Perigee altitude

589.306 km

Semi-major axis

7,148.547 km

Eccentricity

0.02533

Inclination

66.6934°

RAAN

213.0499°

Arg. of periapsis

219.224°

True anomaly

140.88547°

Mean anomaly

139.0267°

Eccentric anomaly

139.96051°

Mean motion

3.59101 °/min

Orbital period

100.25 mins

BSTAR

0.00017159

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Other satellites on launch #7 in the year 1960 (1960-06-22 UTC)

THOR ABLESTAR R/B, 47

THOR ABLESTAR DEB, 840 (Decayed)

SOLRAD 1 (GREB), 46

THOR ABLESTAR DEB, 841 (Decayed)

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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TRANSIT 2A 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.
5 mins	2026-03-29 08:18:30.225Z	128.707° SE	2026-03-29 08:21:30.225Z	98.309° ESE	14.214°	2026-03-29 08:23:30.225Z	78.234° E
11 mins	2026-03-29 09:58:30.225Z	208.332° SW	2026-03-29 10:03:30.225Z	343.765° N	44.979°	2026-03-29 10:09:30.225Z	28.936° NE
7 mins	2026-03-29 11:44:30.225Z	285.122° WNW	2026-03-29 11:47:30.225Z	318.887° NNW	18.094°	2026-03-29 11:51:30.225Z	0.357° NNE
8 mins	2026-03-29 18:46:30.225Z	339.052° N	2026-03-29 18:50:30.225Z	50.625° ENE	41.983°	2026-03-29 18:54:30.225Z	137.73° SSE
4 mins	2026-03-29 20:31:30.225Z	275.383° WNW	2026-03-29 20:32:30.225Z	262.553° W	14.261°	2026-03-29 20:35:30.225Z	224.444° SW

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

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Check out TRANSIT 2A, 45 on other resources

View TRANSIT 2A, 45 on NASA - NSSDCA Website

View TRANSIT 2A, 45 on Heavens-Above

View TRANSIT 2A, 45 on Keep Track

View TRANSIT 2A, 45 on Celestrak

View TRANSIT 2A, 45 on Gunter's Space Page

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

TRANSIT 2A, 45

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-03-28T17:07:30.535Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #7 in the year 1960 (1960-06-22 UTC)

TRANSIT 2A Visibility forecast

Co-orbital & Co-planar RSOs

Check out TRANSIT 2A, 45 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago