423 Diotima (Asteroid)
From South El Monte , 423 Diotima is visible in the evening sky, becoming accessible around 17:51 (PST), 46° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:41, 69° above your southern horizon. It will continue to be observable until around 01:31, when it sinks below 21° above your western horizon.
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Name
423 Diotima
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Object type
Asteroid
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Current position
| Computed for: | 22 December 2025 |
| Right ascension: | 02h56m [1] |
| Declination: | +13°50' [1] |
| Constellation: | Aries |
| Magnitude: | 12.51 (V) [1] |
| Distance: | 2.38 AU 19.78 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 3.07 AU |
| Eccentricity: | 0.033873 |
| Inclination: | 11.24° |
| Longitude ascending node: | 69.35° |
| Argument of perihelion: | 199.09° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 142.07° |
| Absolute mag (H): | 7.38 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.96 AU |
| Aphelion: | 3.17 AU |
| Orbital period: | 5.37 years |