198 Ampella (Asteroid)
From Cambridge , 198 Ampella is visible in the evening sky, becoming accessible around 21:16 (EDT), 27° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:15, 28° above your southern horizon. It will continue to be observable until around 00:25, when it sinks below 21° above your south-western horizon.
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Name
198 Ampella
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Object type
Asteroid
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Current position
| Computed for: | 13 May 2025 |
| Right ascension: | 12h59m [1] |
| Declination: | −18°41' [1] |
| Constellation: | Virgo |
| Magnitude: | 12.99 (V) [1] |
| Distance: | 1.97 AU 16.42 lightmin [1] |
| Angular motion (speed): | 15.20 arcmin/day[1] |
| Angular motion (pos ang): | 290.5° |
Orbital elements [1]
| Semi-major axis: | 2.46 AU |
| Eccentricity: | 0.227427 |
| Inclination: | 9.32° |
| Longitude ascending node: | 268.20° |
| Argument of perihelion: | 89.08° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 203.11° |
| Absolute mag (H): | 8.53 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.90 AU |
| Aphelion: | 3.02 AU |
| Orbital period: | 3.85 years |