778 Theobalda (Asteroid)
From South El Monte , 778 Theobalda is visible in the evening sky, becoming accessible around 19:56 (PDT), 30° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:38, 35° above your southern horizon. It will continue to be observable until around 00:30, when it sinks below 21° above your south-western horizon.
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Name
778 Theobalda
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Object type
Asteroid
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Current position
| Computed for: | 16 September 2025 |
| Right ascension: | 20h31m [1] |
| Declination: | −20°13' [1] |
| Constellation: | Capricornus |
| Magnitude: | 15.79 (V) [1] |
| Distance: | 2.94 AU 24.46 lightmin [1] |
| Angular motion (speed): | 8.84 arcmin/day[1] |
| Angular motion (pos ang): | 241.6° |
Orbital elements [1]
| Semi-major axis: | 3.18 AU |
| Eccentricity: | 0.256768 |
| Inclination: | 13.71° |
| Longitude ascending node: | 321.19° |
| Argument of perihelion: | 135.12° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 202.00° |
| Absolute mag (H): | 9.90 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.36 AU |
| Aphelion: | 4.00 AU |
| Orbital period: | 5.67 years |