343 Ostara (Asteroid)

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From South El Monte , 343 Ostara is not observable – it will reach its highest point in the sky during daytime and is no higher than 11° above the horizon at dawn.

Name 343 Ostara
Object type Asteroid
Current position
Computed for:07 January 2026
Right ascension:16h50m [1]
Declination:−23°34' [1]
Constellation:Ophiuchus
Magnitude:17.55 (V) [1]
Distance:3.72 AU
30.90 lightmin [1]
Orbital elements [1]
Semi-major axis:2.41 AU
Eccentricity:0.229521
Inclination:3.26°
Longitude ascending node:38.58°
Argument of perihelion:10.13°
Epoch of elements:21 Nov 2025
Mean Anomaly at epoch:190.66°
Absolute mag (H):11.70 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:1.86 AU
Aphelion:2.97 AU
Orbital period:3.75 years

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