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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
18 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, 0.5 m
Radar Cross Section
1.143 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 18 hours ago
0 TRANSIT 4A
1 00116U 61015A   25198.50986394  .00000017  00000-0  71864-4 0  9998
2 00116  66.8110 349.7036 0071939 152.5809 207.9096 13.92247498250114
Epoch: 2025-07-17T12:14Z
TLE epoch observation values (Epoch: 2025-07-17T12:14:12.244Z)
Latitude
-0.00005°
Longitude
-129.42208°
Altitude
969.331 km
Speed
7.344 km/s
True Right ascension
23h 18m 48s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
-36.59177°
Longitude
67.15825°
Altitude
913.888 km
Speed
7.404 km/s
Apparent Right ascension
10h 07m 05s
Apparent Declination
-44° 53' 01"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
19:16:22
Azimuth
246.686° WSW
Elevation
-58.466°
Doppler factor
1
Orbital elements
Apogee altitude
971.652 km
Perigee altitude
866.66 km
Semi-major axis
7,297.293 km
Eccentricity
0.00719
Inclination
66.811°
RAAN
349.7036°
Arg. of periapsis
152.5809°
True anomaly
207.52678°
Mean anomaly
207.9096°
Eccentric anomaly
207.71789°
Mean motion
3.48177 °/min
Orbital period
103.4 mins
BSTAR
0.000071864
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