Showing default

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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/45?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/45?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

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: 10 hours ago

TLE from 10 hours ago

0 TRANSIT 2A
1 00045U 60007A   26111.81301884  .00000100  00000-0  50228-4 0  9998
2 00045  66.6919 149.3094 0251432 201.9301 157.0892 14.35936898371954

Epoch: 2026-04-21T19:30Z

TLE epoch observation values (Epoch: 2026-04-21T19:30:44.827Z)

Latitude

0°

Longitude

6.7392°

Altitude

940.341 km

Speed

7.296 km/s

True Right ascension

09h 57m 14s

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

12:42:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

950.06 km

Perigee altitude

590.589 km

Semi-major axis

7,148.461 km

Eccentricity

0.02514

Inclination

66.6919°

RAAN

149.3094°

Arg. of periapsis

201.9301°

True anomaly

158.17919°

Mean anomaly

157.0892°

Eccentric anomaly

157.6373°

Mean motion

3.59107 °/min

Orbital period

100.25 mins

BSTAR

0.000050228

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

SOLRAD 1 (GREB), 46

THOR ABLESTAR R/B, 47

THOR ABLESTAR DEB, 841 (Decayed)

THOR ABLESTAR DEB, 840 (Decayed)

Did you know?

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

Click here to try in Sandbox

TRANSIT 2A Visibility forecast

Loading observer location...
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	2026-04-22 05:44:41.537Z	270.65° WNW	2026-04-22 05:48:41.537Z	316.828° NNW	20.774°	2026-04-22 05:52:41.537Z	1.524° NNE
8 mins	2026-04-22 12:47:41.537Z	345.052° N	2026-04-22 12:51:41.537Z	57.383° ENE	36.263°	2026-04-22 12:55:41.537Z	127.877° SE
4 mins	2026-04-22 14:32:41.537Z	277.465° WNW	2026-04-22 14:33:41.537Z	262.384° W	17.555°	2026-04-22 14:36:41.537Z	217.525° SW
10 mins	2026-04-23 03:23:41.537Z	182.448° SSW	2026-04-23 03:28:41.537Z	106.431° ESE	37.523°	2026-04-23 03:33:41.537Z	41.528° NE
9 mins	2026-04-23 05:07:41.537Z	257.037° W	2026-04-23 05:11:41.537Z	307.803° NW	26.912°	2026-04-23 05:16:41.537Z	8.79° NNE

Items per page:

1–5 of 5 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

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

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-04-21T19:30:44.827Z)

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: 10 hours ago