778 Theobalda (Asteroid)
From South El Monte , 778 Theobalda will become visible at around 17:51 (PST), 26° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 37 minutes after the Sun at 20:24.
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Name
778 Theobalda
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Object type
Asteroid
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Current position
| Computed for: | 23 December 2025 |
| Right ascension: | 21h18m [1] |
| Declination: | −13°54' [1] |
| Constellation: | Aquarius |
| Magnitude: | 16.39 (V) [1] |
| Distance: | 4.11 AU 34.21 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 3.18 AU |
| Eccentricity: | 0.256862 |
| Inclination: | 13.72° |
| Longitude ascending node: | 321.19° |
| Argument of perihelion: | 135.18° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 254.09° |
| Absolute mag (H): | 9.88 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.36 AU |
| Aphelion: | 3.99 AU |
| Orbital period: | 5.67 years |