729 Watsonia (Asteroid)
From South El Monte , 729 Watsonia is visible in the dawn sky, rising at 00:34 (PDT) and reaching an altitude of 57° above the south-eastern horizon before fading from view as dawn breaks at around 05:34.
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Name
729 Watsonia
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Object type
Asteroid
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Current position
| Computed for: | 17 September 2025 |
| Right ascension: | 05h52m [1] |
| Declination: | +07°34' [1] |
| Constellation: | Orion |
| Magnitude: | 15.20 (V) [1] |
| Distance: | 2.86 AU 23.76 lightmin [1] |
| Angular motion (speed): | 11.15 arcmin/day[1] |
| Angular motion (pos ang): | 253.4° |
Orbital elements [1]
| Semi-major axis: | 2.76 AU |
| Eccentricity: | 0.096459 |
| Inclination: | 18.05° |
| Longitude ascending node: | 124.31° |
| Argument of perihelion: | 87.13° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 170.88° |
| Absolute mag (H): | 9.57 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.49 AU |
| Aphelion: | 3.03 AU |
| Orbital period: | 4.58 years |