423 Diotima (Asteroid)
From South El Monte , 423 Diotima is visible in the dawn sky, rising at 02:38 (PDT) – 3 hours and 44 minutes before the Sun – and reaching an altitude of 30° above the eastern horizon before fading from view as dawn breaks at around 05:21.
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Name
423 Diotima
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Object type
Asteroid
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Current position
| Computed for: | 31 August 2026 |
| Right ascension: | 07h46m [1] |
| Declination: | +26°12' [1] |
| Constellation: | Gemini |
| Magnitude: | 13.55 (V) [1] |
| Distance: | 3.82 AU 31.75 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 3.07 AU |
| Eccentricity: | 0.033348 |
| Inclination: | 11.24° |
| Longitude ascending node: | 69.35° |
| Argument of perihelion: | 199.21° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 178.66° |
| Absolute mag (H): | 7.38 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.97 AU |
| Aphelion: | 3.17 AU |
| Orbital period: | 5.37 years |
Source