729 Watsonia (Asteroid)
From South El Monte , 729 Watsonia will become visible at around 20:08 (PDT), 57° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:55.
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Name
729 Watsonia
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Object type
Asteroid
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Current position
| Computed for: | 27 March 2026 |
| Right ascension: | 05h34m [1] |
| Declination: | +17°00' [1] |
| Constellation: | Taurus |
| Magnitude: | 15.10 (V) [1] |
| Distance: | 2.86 AU 23.76 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.76 AU |
| Eccentricity: | 0.095820 |
| Inclination: | 18.05° |
| Longitude ascending node: | 124.30° |
| Argument of perihelion: | 86.91° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 235.63° |
| Absolute mag (H): | 9.56 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.50 AU |
| Aphelion: | 3.03 AU |
| Orbital period: | 4.59 years |