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TRANSIT 4A, 116

Orbit data source: Space-Track

TRANSIT 4A, 116 is a payload satellite owned by USN BuWeps (US) in LEO that was launched on Thu, 29 Jun 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/116?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/116?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

116, 1961-015A

Orbit

LEO

Last TLE update

7 hours ago

Origin

United States Navy (US)

Manufacturer

APL

Mission

Defense Navigation

Bus & Motor

TRANSIT 4, Unknown motor

Mass

78 kg wet, 78 kg dry

Launch date (UTC)

1961-06-29 (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, Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 7 hours ago

0 TRANSIT 4A
1 00116U 61015A   25178.61112578 -.00000015  00000-0  47290-4 0  9998
2 00116  66.8103  38.3880 0073420 166.9638 193.3362 13.92244347247345

Epoch: 2025-06-27T14:40Z

TLE epoch observation values (Epoch: 2025-06-27T14:40:01.267Z)

Latitude

-0.00004°

Longitude

-97.5788°

Altitude

975.025 km

Speed

7.338 km/s

True Right ascension

02h 33m 33s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

62.13542°

Longitude

27.95552°

Altitude

904.012 km

Speed

7.42 km/s

Apparent Right ascension

19h 04m 39s

Apparent Declination

47° 37' 12"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

09:29:00

Azimuth

23.431° NE

Elevation

3.222°

Doppler factor

Orbital elements

Apogee altitude

972.744 km

Perigee altitude

865.59 km

Semi-major axis

7,297.304 km

Eccentricity

0.00734

Inclination

66.8103°

RAAN

38.388°

Arg. of periapsis

166.9638°

True anomaly

Unknown

Mean anomaly

193.3362°

Eccentric anomaly

Unknown

Mean motion

3.48177 °/min

Orbital period

103.4 mins

BSTAR

0.00004729

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Other satellites on launch #15 in the year 1961 (1961-06-29 UTC)

THOR ABLESTAR DEB, 140 (Decayed)

THOR ABLESTAR DEB, 141

THOR ABLESTAR DEB, 142 (Decayed)

THOR ABLESTAR DEB, 143 (Decayed)

THOR ABLESTAR DEB, 144

THOR ABLESTAR DEB, 145

THOR ABLESTAR DEB, 146 (Decayed)

THOR ABLESTAR DEB, 147

THOR ABLESTAR DEB, 148

THOR ABLESTAR DEB, 149 (Decayed)

THOR ABLESTAR DEB, 150

THOR ABLESTAR DEB, 151 (Decayed)

THOR ABLESTAR DEB, 152

THOR ABLESTAR DEB, 153 (Decayed)

TRANSIT 4A 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.
6 mins	2025-06-27 23:49:24.788Z	6.407° NNE	2025-06-27 23:52:24.788Z	39.465° NE	16.332°	2025-06-27 23:55:24.788Z	73.862° E
10 mins	2025-06-28 01:35:24.788Z	331.315° NNW	2025-06-28 01:39:24.788Z	335.048° NNW	44.663°	2025-06-28 01:45:24.788Z	152.489° SSE
7 mins	2025-06-28 14:56:24.788Z	141.576° SSE	2025-06-28 14:59:24.788Z	105.609° ESE	20.865°	2025-06-28 15:03:24.788Z	61.301° ENE
10 mins	2025-06-28 16:40:24.788Z	225.893° WSW	2025-06-28 16:45:24.788Z	309.387° NW	40.79°	2025-06-28 16:50:24.788Z	20.123° NNE
4 mins	2025-06-28 18:31:24.788Z	308.354° NW	2025-06-28 18:32:24.788Z	318.461° NNW	12.512°	2025-06-28 18:35:24.788Z	348.415° N

Authenticating...

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Check out TRANSIT 4A, 116 on other resources

View TRANSIT 4A, 116 on NASA - NSSDCA Website

View TRANSIT 4A, 116 on Heavens-Above

View TRANSIT 4A, 116 on Keep Track

View TRANSIT 4A, 116 on Celestrak

View TRANSIT 4A, 116 on Gunter's Space Page

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