189 Phthia (Asteroid)

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From South El Monte , 189 Phthia is not observable – it will reach its highest point in the sky during daytime and is 13° below the horizon at dusk.

Name 189 Phthia
Object type Asteroid
Current position
Computed for:05 July 2025
Right ascension:07h17m [1]
Declination:+18°33' [1]
Constellation:Gemini
Magnitude:14.32 (V) [1]
Distance:3.47 AU
28.84 lightmin [1]
Angular motion (speed):10.86 arcmin/day[1]
Angular motion (pos ang):277.9°
Orbital elements [1]
Semi-major axis:2.45 AU
Eccentricity:0.036640
Inclination:5.17°
Longitude ascending node:203.33°
Argument of perihelion:169.96°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:51.55°
Absolute mag (H):9.39 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:2.36 AU
Aphelion:2.54 AU
Orbital period:3.84 years

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