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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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Identifier
573, 1963-013A
Orbit
HEO
Last TLE update
1 day ago
Origin
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   25118.89183219 -.00000038  00000-0  10268-3 0  9998
2 00573  42.7648  61.8292 4015089   6.5573  14.0553  6.39270542559655
Epoch: 2025-04-28T21:24Z
Definitive object data (Epoch: 2025-04-28T21:24:14.301Z)
Latitude
26.75977°
Longitude
-83.49392°
Altitude
1,356.709 km
Speed
8.404 km/s
True Right ascension
06h 18m 39s
True Declination
26° 37' 57"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude
13.64657°
Longitude
47.27919°
Altitude
9,537.843 km
Speed
4.195 km/s
Apparent Right ascension
16h 07m 33s
Apparent Declination
-1° 05' 43"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
08:21:14
Azimuth
73.057° E
Elevation
-20.817°
Doppler factor
1
Orbital elements
Apogee altitude
10,811.205 km
Perigee altitude
962.286 km
Semi-major axis
12,264.882 km
Eccentricity
0.4015089
Inclination
42.7648°
RAAN
61.8292°
Arg. of periapsis
6.5573°
True anomaly
34.68798°
Mean anomaly
14.0553°
Eccentric anomaly
23.06975°
Mean motion
1.59789 °/min
BSTAR
0.00010268
Orbital period
225.3 mins
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Other satellites on launch #13 in the year 1963 (1963-05-07 UTC)

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.
77 mins2025-04-30 03:34:48.964Z283.85° WNW2025-04-30 03:49:48.964Z45.768° ENE44.96°2025-04-30 04:51:48.964Z115.147° SE
103 mins2025-04-30 07:34:48.964Z290.084° WNW2025-04-30 08:04:48.964Z229.956° WSW36.817°2025-04-30 09:17:48.964Z172.478° S
15 mins2025-04-30 22:09:48.964Z182.991° SSW2025-04-30 22:13:48.964Z130.906° SE29.601°2025-04-30 22:24:48.964Z69.832° E
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