204 Kallisto (Asteroid)
From Cambridge , 204 Kallisto will become visible at around 21:13 (EDT), 23° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 33 minutes after the Sun at 23:27.
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Name
204 Kallisto
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Object type
Asteroid
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Current position
| Computed for: | 11 May 2025 |
| Right ascension: | 06h59m [1] |
| Declination: | +15°34' [1] |
| Constellation: | Gemini |
| Magnitude: | 14.94 (V) [1] |
| Distance: | 3.47 AU 28.87 lightmin [1] |
| Angular motion (speed): | 8.48 arcmin/day[1] |
| Angular motion (pos ang): | 277.0° |
Orbital elements [1]
| Semi-major axis: | 2.67 AU |
| Eccentricity: | 0.175369 |
| Inclination: | 8.27° |
| Longitude ascending node: | 204.95° |
| Argument of perihelion: | 56.65° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 208.91° |
| Absolute mag (H): | 8.99 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.20 AU |
| Aphelion: | 3.14 AU |
| Orbital period: | 4.37 years |