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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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: 23 hours ago
TLE from 23 hours ago
0 TELSTAR 2 (A-41)
1 573U 63013A 26044.22227853 -.00000019 00000-0 26020-3 0 9999
2 573 42.7460 115.3093 4008490 0.0862 9.8545 6.39265237578221Epoch: 2026-02-13T05:20Z
TLE epoch observation values (Epoch: 2026-02-13T05:20:04.864Z)
Latitude
16.56415°
Longitude
-89.3081°
Altitude
1,164.916 km
Speed
8.557 km/s
True Right ascension
08h 55m 53s
True Declination
16° 28' 32"
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
07:04:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
10,803.207 km
Perigee altitude
970.421 km
Semi-major axis
12,264.951 km
Eccentricity
0.40085
Inclination
42.746°
RAAN
115.3093°
Arg. of periapsis
0.0862°
True anomaly
24.70474°
Mean anomaly
9.8545°
Eccentric anomaly
16.30091°
Mean motion
1.59788 °/min
Orbital period
225.3 mins
BSTAR
0.0002602
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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. |
|---|---|---|---|---|---|---|---|
| 26 mins | 2026-02-14 07:38:32.168Z | 218.565° SW | 2026-02-14 07:45:32.168Z | 133.777° SE | 41.033° | 2026-02-14 08:04:32.168Z | 67.388° ENE |
| 78 mins | 2026-02-14 11:34:32.168Z | 280.681° WNW | 2026-02-14 11:48:32.168Z | 14.607° NNE | 44.879° | 2026-02-14 12:52:32.168Z | 109.463° ESE |
| 109 mins | 2026-02-14 15:33:32.168Z | 291.985° WNW | 2026-02-14 16:05:32.168Z | 227.86° WSW | 39.295° | 2026-02-14 17:22:32.168Z | 166.656° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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