199 Byblis (Asteroid)

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From South El Monte , 199 Byblis is not observable – it will reach its highest point in the sky during daytime and is no higher than 18° above the horizon at dawn.

Name 199 Byblis
Object type Asteroid
Current position
Computed for:15 December 2025
Right ascension:15h30m [1]
Declination:−09°55' [1]
Constellation:Libra
Magnitude:14.07 (V) [1]
Distance:3.50 AU
29.15 lightmin [1]
Angular motion (speed):10.89 arcmin/day[1]
Angular motion (pos ang):296.7°
Orbital elements [1]
Semi-major axis:3.16 AU
Eccentricity:0.183226
Inclination:15.48°
Longitude ascending node:88.42°
Argument of perihelion:179.50°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:270.01°
Absolute mag (H):8.49 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:2.58 AU
Aphelion:3.74 AU
Orbital period:5.62 years

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