343 Ostara (Asteroid)
From South El Monte , 343 Ostara is visible in the morning sky, becoming accessible around 00:35, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 02:42, 28° above your southern horizon. It will be lost to dawn twilight around 04:27, 24° above your south-western horizon.
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Name
343 Ostara
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Object type
Asteroid
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Current position
| Computed for: | 05 June 2026 |
| Right ascension: | 18h45m [1] |
| Declination: | −26°58' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 15.80 (V) [1] |
| Distance: | 1.81 AU 15.01 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.41 AU |
| Eccentricity: | 0.229356 |
| Inclination: | 3.26° |
| Longitude ascending node: | 38.58° |
| Argument of perihelion: | 10.13° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 243.28° |
| 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 |
Source