204 Kallisto (Asteroid)
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From Cambridge , 204 Kallisto is visible in the evening sky, becoming accessible around 20:35 (EDT), 29° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:22, 42° above your southern horizon. It will continue to be observable until around 02:59, when it sinks below 21° above your south-western horizon.
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Name
204 Kallisto
|
Object type
Asteroid
|
Current position
| Computed for: | 15 April 2026 |
| Right ascension: | 12h15m [1] |
| Declination: | −04°43' [1] |
| Constellation: | Virgo |
| Magnitude: | 12.30 (V) [1] |
| Distance: | 1.46 AU 12.16 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.67 AU |
| Eccentricity: | 0.176037 |
| Inclination: | 8.27° |
| Longitude ascending node: | 204.90° |
| Argument of perihelion: | 56.96° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 276.40° |
| Absolute mag (H): | 8.98 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.20 AU |
| Aphelion: | 3.14 AU |
| Orbital period: | 4.36 years |
Visibility from Cambridge
All times shown in Cambridge local time.