78 Diana (Asteroid)
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From South El Monte , 78 Diana is visible in the dawn sky, rising at 02:48 (PDT) – 3 hours and 6 minutes before the Sun – and reaching an altitude of 22° above the south-eastern horizon before fading from view as dawn breaks at around 04:49.
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Name
78 Diana
|
Object type
Asteroid
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Current position
| Computed for: | 07 May 2026 |
| Right ascension: | 22h27m [1] |
| Declination: | −12°20' [1] |
| Constellation: | Aquarius |
| Magnitude: | 14.31 (V) [1] |
| Distance: | 3.30 AU 27.44 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.62 AU |
| Eccentricity: | 0.203493 |
| Inclination: | 8.68° |
| Longitude ascending node: | 333.29° |
| Argument of perihelion: | 153.28° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 155.06° |
| Absolute mag (H): | 8.30 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.09 AU |
| Aphelion: | 3.16 AU |
| Orbital period: | 4.25 years |
Visibility from South El Monte
All times shown in South El Monte local time.