397 Vienna (Asteroid)
From South El Monte , 397 Vienna is visible in the morning sky, becoming accessible around 23:22, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 03:42, 58° above your southern horizon. It will be lost to dawn twilight around 04:27, 56° above your southern horizon.
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Name
397 Vienna
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Object type
Asteroid
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Current position
| Computed for: | 23 June 2026 |
| Right ascension: | 20h56m [1] |
| Declination: | +02°29' [1] |
| Constellation: | Equuleus |
| Magnitude: | 12.96 (V) [1] |
| Distance: | 1.47 AU 12.25 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.64 AU |
| Eccentricity: | 0.247242 |
| Inclination: | 12.87° |
| Longitude ascending node: | 227.88° |
| Argument of perihelion: | 139.92° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 312.23° |
| Absolute mag (H): | 9.35 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.98 AU |
| Aphelion: | 3.29 AU |
| Orbital period: | 4.28 years |
Source