397 Vienna (Asteroid)
From South El Monte , 397 Vienna will become visible at around 21:14 (PDT), 34° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:32.
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Name
397 Vienna
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Object type
Asteroid
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Current position
| Computed for: | 12 July 2025 |
| Right ascension: | 13h31m [1] |
| Declination: | −10°33' [1] |
| Constellation: | Virgo |
| Magnitude: | 15.06 (V) [1] |
| Distance: | 2.83 AU 23.52 lightmin [1] |
| Angular motion (speed): | 9.48 arcmin/day[1] |
| Angular motion (pos ang): | 277.4° |
Orbital elements [1]
| Semi-major axis: | 2.63 AU |
| Eccentricity: | 0.247582 |
| Inclination: | 12.87° |
| Longitude ascending node: | 227.88° |
| Argument of perihelion: | 139.96° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 196.99° |
| Absolute mag (H): | 9.38 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.98 AU |
| Aphelion: | 3.29 AU |
| Orbital period: | 4.28 years |