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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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Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/340?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/340?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

340, 1962-029A

Orbit

LEO

Last TLE update

8 hours ago

Origin

AT&T (US)

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, 0.86 m

Radar Cross Section

0.581 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 8 hours ago

0 TELSTAR 1
1 00340U 62029A   25183.48047699 -.00000031  00000-0  21761-4 0  9998
2 00340  44.7941 250.6803 2422916 167.1889 155.8938  9.12889688100502

Epoch: 2025-07-02T11:31Z

TLE epoch observation values (Epoch: 2025-07-02T11:31:53.211Z)

Latitude

-19.46519°

Longitude

136.16357°

Altitude

5,505.992 km

Speed

5.088 km/s

True Right ascension

15h 19m 35s

True Declination

-19° 24' 02"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

13.79835°

Longitude

170.56774°

Altitude

5,081.809 km

Speed

5.326 km/s

Apparent Right ascension

18h 14m 34s

Apparent Declination

-4° 57' 25"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

07:41:09

Azimuth

34.843° NE

Elevation

-49.967°

Doppler factor

Orbital elements

Apogee altitude

5,637.238 km

Perigee altitude

950.376 km

Semi-major axis

9,671.944 km

Eccentricity

0.24229

Inclination

44.7941°

RAAN

250.6803°

Arg. of periapsis

167.1889°

True anomaly

Unknown

Mean anomaly

155.8938°

Eccentric anomaly

Unknown

Mean motion

2.28177 °/min

Orbital period

157.77 mins

BSTAR

0.000021761

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Other satellites on launch #29 in the year 1962 (1962-07-10 UTC)

DELTA 1 R/B, 341

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.
36 mins	2025-07-03 03:31:12.358Z	160.296° S	2025-07-03 03:52:12.358Z	121.293° SE	20.658°	2025-07-03 04:07:12.358Z	83.771° E
47 mins	2025-07-03 06:12:12.358Z	211.656° SW	2025-07-03 06:43:12.358Z	139.701° SSE	41.311°	2025-07-03 06:59:12.358Z	67.28° ENE
35 mins	2025-07-03 09:10:12.358Z	254.89° W	2025-07-03 09:34:12.358Z	335.386° NNW	44.506°	2025-07-03 09:45:12.358Z	71.509° E
22 mins	2025-07-03 12:09:12.358Z	288.157° WNW	2025-07-03 12:24:12.358Z	37.381° NE	44.453°	2025-07-03 12:31:12.358Z	103.427° ESE
11 mins	2025-07-03 15:03:12.358Z	281.829° WNW	2025-07-03 15:09:12.358Z	230.685° WSW	26.427°	2025-07-03 15:14:12.358Z	172.832° S

Authenticating...

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Check out TELSTAR 1, 340 on other resources

View TELSTAR 1, 340 on NASA - NSSDCA Website

View TELSTAR 1, 340 on Heavens-Above

View TELSTAR 1, 340 on Keep Track

View TELSTAR 1, 340 on Celestrak

View TELSTAR 1, 340 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.