729 Watsonia (Asteroid)
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From South El Monte , 729 Watsonia is visible in the evening sky, becoming accessible around 18:17 (PST), 48° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:40, 65° above your southern horizon. It will continue to be observable until around 01:20, when it sinks below 21° above your western horizon.
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Name
729 Watsonia
|
Object type
Asteroid
|
Current position
| Computed for: | 25 January 2026 |
| Right ascension: | 05h10m [1] |
| Declination: | +09°38' [1] |
| Constellation: | Orion |
| Magnitude: | 14.33 (V) [1] |
| Distance: | 2.13 AU 17.71 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 |
Visibility from South El Monte
All times shown in South El Monte local time.