778 Theobalda (Asteroid)
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From South El Monte , 778 Theobalda is visible in the evening sky, becoming accessible around 19:10 (PDT), 36° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:24, 37° above your southern horizon. It will continue to be observable until around 22:23, when it sinks below 21° above your south-western horizon.
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Name
778 Theobalda
|
Object type
Asteroid
|
Current position
| Computed for: | 20 October 2025 |
| Right ascension: | 20h31m [1] |
| Declination: | −18°56' [1] |
| Constellation: | Capricornus |
| Magnitude: | 16.18 (V) [1] |
| Distance: | 3.35 AU 27.83 lightmin [1] |
| Angular motion (speed): | 7.65 arcmin/day[1] |
| Angular motion (pos ang): | 240.8° |
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 |
Visibility from South El Monte
All times shown in South El Monte local time.