257 Silesia (Asteroid)

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From South El Monte , 257 Silesia is not observable – it will reach its highest point in the sky during daytime and is no higher than 19° above the horizon at dusk.

Name 257 Silesia
Object type Asteroid
Current position
Computed for:07 January 2026
Right ascension:21h50m [1]
Declination:−15°44' [1]
Constellation:Capricornus
Magnitude:15.72 (V) [1]
Distance:3.80 AU
31.61 lightmin [1]
Orbital elements [1]
Semi-major axis:3.12 AU
Eccentricity:0.112405
Inclination:3.61°
Longitude ascending node:34.03°
Argument of perihelion:32.24°
Epoch of elements:21 Nov 2025
Mean Anomaly at epoch:273.78°
Absolute mag (H):9.68 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:2.77 AU
Aphelion:3.47 AU
Orbital period:5.51 years

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