78 Diana (Asteroid)
From South El Monte , 78 Diana is not observable – it will reach its highest point in the sky during daytime and is no higher than 6° above the horizon at dusk.
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Name
78 Diana
|
Object type
Asteroid
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| Computed for: | 08 December 2025 |
| Right ascension: | 19h03m [1] |
| Declination: | −27°08' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 14.40 (V) [1] |
| Distance: | 3.96 AU 32.96 lightmin [1] |
| Angular motion (speed): | 7.54 arcmin/day[1] |
| Angular motion (pos ang): | 257.8° |
| Semi-major axis: | 2.62 AU |
| Eccentricity: | 0.203427 |
| Inclination: | 8.68° |
| Longitude ascending node: | 333.30° |
| Argument of perihelion: | 153.22° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 85.51° |
| Absolute mag (H): | 8.34 [1] |
| Slope parameter (G): | 0.15 [1] |
| Perihelion: | 2.09 AU |
| Aphelion: | 3.16 AU |
| Orbital period: | 4.25 years |
All times shown in South El Monte local time.