257 Silesia (Asteroid)
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From South El Monte , 257 Silesia is visible in the morning sky, becoming accessible around 00:21, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 03:04, 34° above your southern horizon. It will be lost to dawn twilight around 04:32, 30° above your south-western horizon.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
257 Silesia
|
Object type
Asteroid
|
Current position
| Computed for: | 05 July 2025 |
| Right ascension: | 21h06m [1] |
| Declination: | −21°49' [1] |
| Constellation: | Capricornus |
| Magnitude: | 14.76 (V) [1] |
| Distance: | 2.36 AU 19.60 lightmin [1] |
| Angular motion (speed): | 13.46 arcmin/day[1] |
| Angular motion (pos ang): | 252.5° |
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.