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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   25185.81449169 -.00000101  00000-0 -35328-3 0  9999
2 00573  42.7822 351.1559 4013593  88.1044 308.1134  6.39271028563924

Epoch: 2025-07-04T19:32Z

TLE epoch observation values (Epoch: 2025-07-04T19:32:52.082Z)

Latitude

-6.87147°

Longitude

127.417°

Altitude

4,531.318 km

Speed

6.37 km/s

True Right ascension

22h 54m 46s

True Declination

-6° 50' 41"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-14.82419°

Longitude

117.15832°

Altitude

5,681.602 km

Speed

5.798 km/s

Apparent Right ascension

22h 03m 07s

Apparent Declination

-23° 23' 46"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

09:37:47

Azimuth

340.172° N

Elevation

-72.636°

Doppler factor

Orbital elements

Apogee altitude

10,809.358 km

Perigee altitude

964.115 km

Semi-major axis

12,264.874 km

Eccentricity

0.40136

Inclination

42.7822°

RAAN

351.1559°

Arg. of periapsis

88.1044°

True anomaly

Unknown

Mean anomaly

308.1134°

Eccentric anomaly

Unknown

Mean motion

1.5979 °/min

Orbital period

225.3 mins

BSTAR

-0.00035328

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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.
20 mins	2025-07-05 22:31:43.419Z	264.133° W	2025-07-05 22:38:43.419Z	209.609° SW	23.273°	2025-07-05 22:51:43.419Z	165.725° S
18 mins	2025-07-06 12:58:43.419Z	211.139° SW	2025-07-06 13:10:43.419Z	156.4° SSE	31.872°	2025-07-06 13:16:43.419Z	86.835° E
11 mins	2025-07-06 17:02:43.419Z	275.478° WNW	2025-07-06 17:07:43.419Z	346.514° N	42.875°	2025-07-06 17:13:43.419Z	82.34° E
17 mins	2025-07-06 20:59:43.419Z	271.911° WNW	2025-07-06 21:04:43.419Z	203.181° SW	34.227°	2025-07-06 21:16:43.419Z	143.367° 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.