343 Ostara (Asteroid)

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From South El Monte , 343 Ostara will become visible at around 21:18 (PDT), 37° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:36.

Name 343 Ostara
Object type Asteroid
Current position
Computed for:03 July 2025
Right ascension:12h42m [1]
Declination:−04°04' [1]
Constellation:Virgo
Magnitude:17.24 (V) [1]
Distance:2.74 AU
22.82 lightmin [1]
Angular motion (speed):10.81 arcmin/day[1]
Angular motion (pos ang):296.2°
Orbital elements [1]
Semi-major axis:2.41 AU
Eccentricity:0.229772
Inclination:3.26°
Longitude ascending node:38.58°
Argument of perihelion:10.11°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:111.72°
Absolute mag (H):11.71 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:1.86 AU
Aphelion:2.97 AU
Orbital period:3.74 years

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