204 Kallisto
From Infogalactic: the planetary knowledge core
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| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | October 8, 1879 |
| Designations | |
|
Named after
|
Callisto |
| n/a | |
| Main belt | |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 468.456 Gm (3.131 AU) |
| Perihelion | 331.062 Gm (2.213 AU) |
| 399.759 Gm (2.672 AU) | |
| Eccentricity | 0.172 |
| 1595.51 d (4.37 a) | |
|
Average orbital speed
|
18.22 km/s |
| 2.235° | |
| Inclination | 8.272° |
| 205.217° | |
| 55.712° | |
| Physical characteristics | |
| Dimensions | 50.36 ± 1.69[1] km |
| Mass | (0.60 ± 1.81) × 1018[1] kg |
| 14.10 h | |
| Albedo | 0.208 |
|
Spectral type
|
S |
| 8.89 | |
204 Kallisto is a fairly typical, although sizeable Main belt asteroid. It is classified as an S-type asteroid. Like other asteroids of its type, it is light in colour.
It was discovered by Johann Palisa on October 8, 1879 in Pola.
The asteroid was named after the same nymph Callisto in Greek mythology as Jupiter's moon Callisto.
References
External links
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Light-curve Parameters
- Asteroid Albedo Compilation
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