747 Winchester (Asteroid)
From South El Monte , 747 Winchester is visible in the dawn sky, rising at 23:45 (PDT) and reaching an altitude of 42° above the southern horizon before fading from view as dawn breaks at around 04:32.
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Name
747 Winchester
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Object type
Asteroid
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Current position
| Computed for: | 05 July 2025 |
| Right ascension: | 23h18m [1] |
| Declination: | −11°50' [1] |
| Constellation: | Aquarius |
| Magnitude: | 12.46 (V) [1] |
| Distance: | 1.89 AU 15.72 lightmin [1] |
| Angular motion (speed): | 21.29 arcmin/day[1] |
| Angular motion (pos ang): | 261.5° |
Orbital elements [1]
| Semi-major axis: | 3.00 AU |
| Eccentricity: | 0.339817 |
| Inclination: | 18.22° |
| Longitude ascending node: | 129.05° |
| Argument of perihelion: | 277.61° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 284.64° |
| Absolute mag (H): | 8.04 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.98 AU |
| Aphelion: | 4.02 AU |
| Orbital period: | 5.20 years |