217481 2005 YW170 (Asteroid)
From South El Monte , 217481 2005 YW170 will become visible at around 19:20 (PDT), 32° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:26.
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Name
217481 2005 YW170
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Object type
Asteroid
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Current position
| Computed for: | 12 October 2025 |
| Right ascension: | 17h31m [1] |
| Declination: | −12°02' [1] |
| Constellation: | Serpens Cauda |
| Magnitude: | 21.50 (V) [1] |
| Distance: | 3.89 AU 32.35 lightmin [1] |
| Angular motion (speed): | 7.22 arcmin/day[1] |
| Angular motion (pos ang): | 280.2° |
Orbital elements [1]
| Semi-major axis: | 3.19 AU |
| Eccentricity: | 0.126168 |
| Inclination: | 15.63° |
| Longitude ascending node: | 148.52° |
| Argument of perihelion: | 292.11° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 155.63° |
| Absolute mag (H): | 14.96 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.79 AU |
| Aphelion: | 3.60 AU |
| Orbital period: | 5.71 years |