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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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Identifier
116, 1961-015A
Orbit
LEO
Last TLE update
12 hours ago
Origin
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 12 hours ago
0 TRANSIT 4A
1 00116U 61015A   25189.81764150  .00000001  00000-0  59692-4 0  9994
2 00116  66.8104  10.9698 0072590 158.8985 201.5117 13.92245976248903
Epoch: 2025-07-08T19:37Z
TLE epoch observation values (Epoch: 2025-07-08T19:37:24.225Z)
Latitude
0.00001°
Longitude
149.61169°
Altitude
972.198 km
Speed
7.341 km/s
True Right ascension
00h 43m 52s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-48.56177°
Longitude
119.54442°
Altitude
983.099 km
Speed
7.337 km/s
Apparent Right ascension
03h 10m 23s
Apparent Declination
-67° 46' 37"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
19:35:08
Azimuth
150.518° SSE
Elevation
-45.327°
Doppler factor
1
Orbital elements
Apogee altitude
972.133 km
Perigee altitude
866.19 km
Semi-major axis
7,297.299 km
Eccentricity
0.00726
Inclination
66.8104°
RAAN
10.9698°
Arg. of periapsis
158.8985°
True anomaly
Unknown
Mean anomaly
201.5117°
Eccentric anomaly
Unknown
Mean motion
3.48177 °/min
Orbital period
103.4 mins
BSTAR
0.000059692
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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.
10 mins2025-07-09 12:58:38.503Z175.305° S2025-07-09 13:03:38.503Z109.7° ESE33.177°2025-07-09 13:08:38.503Z45.706° ENE
9 mins2025-07-09 14:45:38.503Z250.416° W2025-07-09 14:49:38.503Z301.889° NW29.662°2025-07-09 14:54:38.503Z9.188° NNE
9 mins2025-07-09 22:02:38.503Z352.75° N2025-07-09 22:06:38.503Z55.171° ENE31.953°2025-07-09 22:11:38.503Z119.986° SE
8 mins2025-07-09 23:49:38.503Z298.517° NW2025-07-09 23:52:38.503Z252.43° W28.039°2025-07-09 23:57:38.503Z190.221° SSW
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