221 Eos (Asteroid)
Finder chart
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From Cambridge , 221 Eos is not observable – it will reach its highest point in the sky during daytime and is 0° below the horizon at dawn.
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|
Name
221 Eos
|
Object type
Asteroid
|
Current position
| Computed for: | 12 December 2024 |
| Right ascension: | 16h39m [1] |
| Declination: | −14°09' [1] |
| Constellation: | Ophiuchus |
| Magnitude: | 13.46 (V) [1] |
| Distance: | 3.92 AU 32.61 lightmin [1] |
| Angular motion (speed): | 8.81 arcmin/day[1] |
| Angular motion (pos ang): | 281.5° |
Orbital elements [1]
| Semi-major axis: | 3.01 AU |
| Eccentricity: | 0.101244 |
| Inclination: | 10.89° |
| Longitude ascending node: | 141.72° |
| Argument of perihelion: | 192.51° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 292.39° |
| Absolute mag (H): | 7.76 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.71 AU |
| Aphelion: | 3.32 AU |
| Orbital period: | 5.23 years |
Visibility from Cambridge
All times shown in Cambridge local time.