4035 Thestor (Asteroid)

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From South El Monte , 4035 Thestor is visible in the morning sky, becoming accessible around 00:46, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 04:30, 47° above your southern horizon. It will be lost to dawn twilight around 05:50, 43° above your south-western horizon.

Name 4035 Thestor
Object type Asteroid
Current position
Computed for:30 December 2025
Right ascension:11h15m [1]
Declination:−08°34' [1]
Constellation:Crater
Magnitude:17.26 (V) [1]
Distance:4.91 AU
40.83 lightmin [1]
Orbital elements [1]
Semi-major axis:5.27 AU
Eccentricity:0.056130
Inclination:12.13°
Longitude ascending node:233.70°
Argument of perihelion:199.85°
Epoch of elements:21 Nov 2025
Mean Anomaly at epoch:78.92°
Absolute mag (H):9.54 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:4.98 AU
Aphelion:5.57 AU
Orbital period:12.12 years

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