747 Winchester (Asteroid)
From South El Monte , 747 Winchester is visible in the evening sky, becoming accessible around 17:53 (PST), 23° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:38, 28° above your southern horizon. It will continue to be observable until around 21:37, when it sinks below 21° above your south-western horizon.
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Name
747 Winchester
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Object type
Asteroid
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Current position
| Computed for: | 08 November 2025 |
| Right ascension: | 23h01m [1] |
| Declination: | −27°55' [1] |
| Constellation: | Piscis Austrinus |
| Magnitude: | 11.88 (V) [1] |
| Distance: | 1.59 AU 13.25 lightmin [1] |
| Angular motion (speed): | 24.29 arcmin/day[1] |
| Angular motion (pos ang): | 270.1° |
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 |