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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573 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
AT&T/BTL
Mission
Spacecraft
Bus & Motor
TSX, Unknown motor
Mass
79 kg wet, 79 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 3 days ago
TLE from 3 days ago
0 TELSTAR 2 (A-41)
1 00573U 63013A 25320.18759566 -.00000015 00000-0 -37506-3 0 9999
2 00573 42.7547 209.3116 4018315 251.7042 309.5919 6.39264586572527Epoch: 2025-11-16T04:30Z
TLE epoch observation values (Epoch: 2025-11-16T04:30:08.265Z)
Latitude
16.5352°
Longitude
-112.37733°
Altitude
4,389.943 km
Speed
6.446 km/s
True Right ascension
00h 42m 39s
True Declination
16° 28' 23"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
12:45:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
10,815.271 km
Perigee altitude
958.376 km
Semi-major axis
12,264.96 km
Eccentricity
0.40183
Inclination
42.7547°
RAAN
209.3116°
Arg. of periapsis
251.7042°
True anomaly
263.55418°
Mean anomaly
309.5919°
Eccentric anomaly
287.65278°
Mean motion
1.59788 °/min
Orbital period
225.3 mins
BSTAR
-0.00037506
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Other satellites on launch #13 in the year 1963 (1963-05-07 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.TELSTAR 2 (A-41) Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 105 mins | 2025-11-19 16:09:38.315Z | 173.214° S | 2025-11-19 16:44:38.315Z | 109.231° ESE | 33.639° | 2025-11-19 17:54:38.315Z | 59.091° ENE |
| 134 mins | 2025-11-19 20:06:38.315Z | 240.515° WSW | 2025-11-19 21:09:38.315Z | 10.901° NNE | 44.999° | 2025-11-19 22:20:38.315Z | 83.541° E |
| 114 mins | 2025-11-20 00:31:38.315Z | 287.62° WNW | 2025-11-20 01:56:38.315Z | 218.21° SW | 44.257° | 2025-11-20 02:25:38.315Z | 137.145° SSE |
| 41 mins | 2025-11-20 05:28:38.315Z | 295.143° NW | 2025-11-20 05:54:38.315Z | 266.378° W | 16.916° | 2025-11-20 06:09:38.315Z | 232.486° WSW |
| 63 mins | 2025-11-20 14:47:38.315Z | 132.427° SE | 2025-11-20 15:13:38.315Z | 93.715° ESE | 20.029° | 2025-11-20 15:50:38.315Z | 64.623° ENE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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