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TELSTAR 2 (A-41), 573

Orbit data source: Space-Track

TELSTAR 2 (A-41), 573 is a payload satellite owned by AT&T (US) in HEO that was launched on Tue, 07 May 1963 UTC via a THOR DELTA B 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 src="https://www.satcat.com/sats-embedded/573?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/573?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

573, 1963-013A

Orbit

HEO

Last TLE update

1 day ago

Origin

AT&T (US)

Manufacturer

AT&T/BTL

Mission

Commercial Communications

Bus & Motor

TSX, Unknown motor

Mass

79 kg wet, 79 kg dry

Launch date (UTC)

1963-05-07 (62 years ago)

Launch vehicle

THOR DELTA B

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere + 1 Ant, 1.5 m

Radar Cross Section

0.677 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 1 day ago

0 TELSTAR 2 (A-41)
1 00573U 63013A   25128.11467534 -.00000053  00000-0  20725-3 0  9995
2 00573  42.7666  52.0851 4014560  17.8024 359.2557  6.39270911560242

Epoch: 2025-05-08T02:45Z

Definitive object data (Epoch: 2025-05-08T02:45:07.949Z)

Latitude

10.8064°

Longitude

156.45042°

Altitude

959.876 km

Speed

8.727 km/s

True Right ascension

04h 15m 41s

True Declination

10° 44' 42"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-36.52295°

Longitude

16.31583°

Altitude

8,317.472 km

Speed

4.666 km/s

Apparent Right ascension

20h 25m 23s

Apparent Declination

-54° 42' 53"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

15:54:28

Azimuth

145.109° SSE

Elevation

-20.848°

Doppler factor

Orbital elements

Apogee altitude

10,810.549 km

Perigee altitude

962.932 km

Semi-major axis

12,264.877 km

Eccentricity

0.401456

Inclination

42.7666°

RAAN

52.0851°

Arg. of periapsis

17.8024°

True anomaly

358.0974°

Mean anomaly

359.2557°

Eccentric anomaly

358.75655°

Mean motion

1.5979 °/min

BSTAR

0.00020725

Orbital period

225.3 mins

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Other satellites on launch #13 in the year 1963 (1963-05-07 UTC)

DELTA 1 R/B, 575

TELSTAR 2 (A-41) 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.
26 mins	2025-05-09 09:49:25.509Z	259.878° W	2025-05-09 10:01:25.509Z	248.349° W	11.123°	2025-05-09 10:15:25.509Z	237.254° WSW
5 mins	2025-05-09 20:07:25.509Z	139.999° SSE	2025-05-09 20:09:25.509Z	118.211° SE	13.804°	2025-05-09 20:12:25.509Z	93.325° ESE
29 mins	2025-05-09 23:58:25.509Z	262.817° W	2025-05-10 00:04:25.509Z	7.655° NNE	44.76°	2025-05-10 00:27:25.509Z	80.759° E
80 mins	2025-05-10 03:53:25.509Z	289.375° WNW	2025-05-10 04:09:25.509Z	204.773° SW	44.168°	2025-05-10 05:13:25.509Z	136.129° SSE

Authenticating...

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Check out TELSTAR 2 (A-41), 573 on other resources

View TELSTAR 2 (A-41), 573 on NASA - NSSDCA Website

View TELSTAR 2 (A-41), 573 on Heavens-Above

View TELSTAR 2 (A-41), 573 on Keep Track

View TELSTAR 2 (A-41), 573 on Celestrak

View TELSTAR 2 (A-41), 573 on Gunter's Space Page

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