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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). Payloads include a variety of satellites, spacecraft, and rockets 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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TELSTAR 1 details
Identifier
340, 1962-029A
Orbit
LEO
Last TLE update18 hours ago
Origin
Flag of USAT&T (US)
ManufacturerAT&T/BTL
MissionCommercial Communications
Bus & MotorTSX, Unknown motor
Mass77 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 & HBRSphere, 0.86 m
Radar Cross Section0.581 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 18 hours ago
0 TELSTAR 1
1 00340U 62029A   25047.30549409  .00000093  00000-0  88919-3 0  9998
2 00340  44.8085 143.9853 2422704 256.4984 110.5350  9.12884716 88074
Epoch: 2025-02-16T07:19Z
Definitive object data (Epoch: 2025-02-16T07:19:54.689Z)
Latitude20.61101°
Longitude-90.36731°
Altitude4,542.89 km
Speed5.64 km/s
True Right ascension11h 04m 36s
True Declination20° 32' 14"
Sunlit
Object was in full shadow at TLE epoch
Visualization TLE readout
Latitude23.17095°
Longitude-88.53319°
Altitude4,639.923 km
Speed5.583 km/s
Apparent Right ascension12h 47m 18s
Apparent Declination1° 11' 35"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time04:34:14
Azimuth66.245° ENE
Elevation-24.035°
Doppler factor1
Orbital elements
Apogee altitude5,637.074 km
Perigee altitude950.606 km
Semi-major axis9,671.977 km
Eccentricity0.2422704
Inclination44.8085°
RAAN143.9853°
Arg. of periapsis256.4984°
True anomaly133.41672°
Mean anomaly110.535°
Eccentric anomaly122.27179°
Mean motion2.28176 °/min
BSTAR0.00088919
Orbital period157.77 mins
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Other satellites on launch #29 in the year 1962 (1962-07-10 UTC)

TELSTAR 1 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.
48 mins2025-02-17 06:44:31.040Z179.401° S2025-02-17 07:03:31.040Z118.404° SE32.953°2025-02-17 07:32:31.040Z62.08° ENE
61 mins2025-02-17 09:29:31.040Z232.497° WSW2025-02-17 09:54:31.040Z162.232° S44.857°2025-02-17 10:30:31.040Z67.953° E
62 mins2025-02-17 12:21:31.040Z272.386° WNW2025-02-17 12:55:31.040Z359.793° N44.528°2025-02-17 13:23:31.040Z93.332° ESE
53 mins2025-02-17 15:19:31.040Z295.085° NW2025-02-17 15:53:31.040Z217.738° SW44.091°2025-02-17 16:12:31.040Z136.803° SSE
32 mins2025-02-17 18:20:31.040Z293.864° NW2025-02-17 18:40:31.040Z248.73° W24.575°2025-02-17 18:52:31.040Z201.789° SSW
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