121 Hermione (Asteroid)

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From South El Monte , 121 Hermione is not observable – it will reach its highest point in the sky during daytime and is no higher than 9° above the horizon at dusk.

Name 121 Hermione
Object type Asteroid
Current position
Computed for:16 September 2025
Right ascension:14h00m [1]
Declination:−08°35' [1]
Constellation:Virgo
Magnitude:14.25 (V) [1]
Distance:4.56 AU
37.92 lightmin [1]
Angular motion (speed):6.13 arcmin/day[1]
Angular motion (pos ang):296.2°
Orbital elements [1]
Semi-major axis:3.46 AU
Eccentricity:0.125022
Inclination:7.57°
Longitude ascending node:72.87°
Argument of perihelion:297.07°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:181.91°
Absolute mag (H):7.43 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:3.02 AU
Aphelion:3.89 AU
Orbital period:6.42 years

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