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: 1 day ago
TLE from 1 day ago
0 TELSTAR 2 (A-41)
1 00573U 63013A 25336.27491716 .00000041 00000-0 81212-4 0 9997
2 00573 42.7595 192.3237 4018306 271.2746 252.2236 6.39264124573551Epoch: 2025-12-02T06:35Z
TLE epoch observation values (Epoch: 2025-12-02T06:35:52.842Z)
Latitude
32.47594°
Longitude
158.63522°
Altitude
8,804.907 km
Speed
4.475 km/s
True Right ascension
21h 55m 52s
True Declination
32° 24' 10"
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
13:05:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
10,815.267 km
Perigee altitude
958.39 km
Semi-major axis
12,264.966 km
Eccentricity
0.40183
Inclination
42.7595°
RAAN
192.3237°
Arg. of periapsis
271.2746°
True anomaly
216.57773°
Mean anomaly
252.2236°
Eccentric anomaly
233.6746°
Mean motion
1.59788 °/min
Orbital period
225.3 mins
BSTAR
0.000081212
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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. |
|---|---|---|---|---|---|---|---|
| 20 mins | 2025-12-03 15:15:04.606Z | 66.252° ENE | 2025-12-03 15:15:04.606Z | 66.252° ENE | 19.494° | 2025-12-03 15:35:04.606Z | 58.522° ENE |
| 129 mins | 2025-12-03 18:06:04.606Z | 238.188° WSW | 2025-12-03 18:50:04.606Z | 152.173° SSE | 44.981° | 2025-12-03 20:15:04.606Z | 81.945° E |
| 127 mins | 2025-12-03 22:20:04.606Z | 285.424° WNW | 2025-12-03 23:44:04.606Z | 216.556° SW | 44.651° | 2025-12-04 00:27:04.606Z | 133.996° SE |
| 72 mins | 2025-12-04 03:03:04.606Z | 300.108° NW | 2025-12-04 03:50:04.606Z | 262.659° W | 22.949° | 2025-12-04 04:15:04.606Z | 215.014° SW |
| 37 mins | 2025-12-04 12:53:04.606Z | 114.485° SE | 2025-12-04 13:07:04.606Z | 90.412° ESE | 13.98° | 2025-12-04 13:30:04.606Z | 67.288° 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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