257 Silesia (Asteroid)
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From South El Monte , 257 Silesia will become visible at around 17:57 (PST), 33° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:33.
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|
Name
257 Silesia
|
Object type
Asteroid
|
Current position
| Computed for: | 03 November 2025 |
| Right ascension: | 20h36m [1] |
| Declination: | −22°10' [1] |
| Constellation: | Capricornus |
| Magnitude: | 15.60 (V) [1] |
| Distance: | 3.08 AU 25.62 lightmin [1] |
| Angular motion (speed): | 9.75 arcmin/day[1] |
| Angular motion (pos ang): | 255.2° |
Orbital elements [1]
| Semi-major axis: | 3.12 AU |
| Eccentricity: | 0.112441 |
| Inclination: | 3.61° |
| Longitude ascending node: | 34.04° |
| Argument of perihelion: | 32.09° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 220.26° |
| Absolute mag (H): | 9.72 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.77 AU |
| Aphelion: | 3.47 AU |
| Orbital period: | 5.51 years |
Visibility from South El Monte
All times shown in South El Monte local time.