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TELSTAR 1, 340

Orbit data source: Space-Track

TELSTAR 1, 340 is a payload satellite owned by AT&T (US) in LEO that was launched on Tue, 10 Jul 1962 UTC via a THOR DELTA 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
340, 1962-029A
Orbit
LEO
Last TLE update
1 day ago
Origin
Manufacturer
AT&T/BTL
Mission
Commercial Communications
Bus & Motor
TSX, Unknown motor
Mass
77 kg wet, 77 kg dry
Launch date (UTC)
1962-07-10 (63 years ago)
Launch vehicle
THOR DELTA
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Sphere, 0.4 m
Radar Cross Section
0.581 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 1 day ago
0 TELSTAR 1
1 00340U 62029A   25199.52935891 -.00000106  00000-0 -61970-3 0  9999
2 00340  44.7936 220.8186 2423468 199.1068 339.0052  9.12890238101974
Epoch: 2025-07-18T12:42Z
TLE epoch observation values (Epoch: 2025-07-18T12:42:16.609Z)
Latitude
10.89423°
Longitude
-97.44886°
Altitude
1,210.965 km
Speed
7.991 km/s
True Right ascension
01h 58m 47s
True Declination
10° 50' 04"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
30.10218°
Longitude
-123.68322°
Altitude
1,916.984 km
Speed
7.413 km/s
Apparent Right ascension
22h 41m 08s
Apparent Declination
1° 33' 33"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
01:02:06
Azimuth
228.907° WSW
Elevation
40.066°
Doppler factor
1
Orbital elements
Apogee altitude
5,637.767 km
Perigee altitude
949.839 km
Semi-major axis
9,671.94 km
Eccentricity
0.24235
Inclination
44.7936°
RAAN
220.8186°
Arg. of periapsis
199.1068°
True anomaly
325.35158°
Mean anomaly
339.0052°
Eccentric anomaly
332.61926°
Mean motion
2.28177 °/min
Orbital period
157.77 mins
BSTAR
-0.0006197
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Other satellites on launch #29 in the year 1962 (1962-07-10 UTC)
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