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TRANSIT 4B, 202

Orbit data source: Space-Track

TRANSIT 4B, 202 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 src="https://www.satcat.com/sats-embedded/202?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/202?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

202, 1961-031A

Orbit

LEO

Last TLE update

5 hours ago

Origin

United States Navy (US)

Manufacturer

APL

Mission

Defense Navigation

Bus & Motor

TRANSIT 4, Unknown motor

Mass

89 kg wet, 89 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

Cyl, 1.09 m

Radar Cross Section

1.143 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 5 hours ago

0 TRANSIT 4B
1 00202U 61031A   25178.60482956  .00000063  00000-0  51171-4 0  9996
2 00202  32.4389 338.3085 0100800  41.1168 319.6998 13.63751458172564

Epoch: 2025-06-27T14:30Z

TLE epoch observation values (Epoch: 2025-06-27T14:30:57.273Z)

Latitude

-0°

Longitude

-155.38544°

Altitude

964.27 km

Speed

7.4 km/s

True Right ascension

22h 33m 14s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-7.24503°

Longitude

-167.94916°

Altitude

980.085 km

Speed

7.384 km/s

Apparent Right ascension

20h 41m 08s

Apparent Declination

-23° 24' 50"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

07:07:32

Azimuth

302.881° NW

Elevation

-64.279°

Doppler factor

Orbital elements

Apogee altitude

1,100.107 km

Perigee altitude

950.85 km

Semi-major axis

7,403.616 km

Eccentricity

0.01008

Inclination

32.4389°

RAAN

338.3085°

Arg. of periapsis

41.1168°

True anomaly

Unknown

Mean anomaly

319.6998°

Eccentric anomaly

Unknown

Mean motion

3.40704 °/min

Orbital period

105.66 mins

BSTAR

0.000051171

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

TRAAC, 205

THOR ABLESTAR R/B, 204

TRAAC DEB, 10796

TRANSIT 4B Visibility forecast

Observer location: undefined°, undefined°

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	2025-06-27 20:20:20.182Z	243.264° WSW	2025-06-27 20:24:20.182Z	202.142° SSW	18.44°	2025-06-27 20:28:20.182Z	164.716° S
7 mins	2025-06-28 13:34:20.182Z	186.742° SSW	2025-06-28 13:37:20.182Z	152.981° SSE	18.667°	2025-06-28 13:41:20.182Z	112.221° ESE
10 mins	2025-06-28 15:24:20.182Z	227.592° WSW	2025-06-28 15:28:20.182Z	175.644° S	31.481°	2025-06-28 15:34:20.182Z	104.099° ESE
10 mins	2025-06-28 17:16:20.182Z	244.776° WSW	2025-06-28 17:20:20.182Z	185.383° SSW	33.999°	2025-06-28 17:26:20.182Z	116.876° SE
9 mins	2025-06-28 19:08:20.182Z	244.388° WSW	2025-06-28 19:12:20.182Z	194.776° SSW	24.573°	2025-06-28 19:17:20.182Z	145.651° SSE

Authenticating...

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Check out TRANSIT 4B, 202 on other resources

View TRANSIT 4B, 202 on NASA - NSSDCA Website

View TRANSIT 4B, 202 on Heavens-Above

View TRANSIT 4B, 202 on Keep Track

View TRANSIT 4B, 202 on Celestrak

View TRANSIT 4B, 202 on Gunter's Space Page

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