423 Diotima (Asteroid)
From South El Monte , 423 Diotima will become visible at around 20:25 (PDT), 24° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 13 minutes after the Sun at 22:36.
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Name
423 Diotima
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Object type
Asteroid
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Current position
| Computed for: | 16 April 2026 |
| Right ascension: | 04h15m [1] |
| Declination: | +22°41' [1] |
| Constellation: | Taurus |
| Magnitude: | 13.54 (V) [1] |
| Distance: | 3.87 AU 32.17 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 |