Callirrhoe (moon)
This discovery image of Callirrhoe taken by Spacewatch in October 1999 | |
| Discovery | |
|---|---|
| Discovered by | Spacewatch |
| Discovery site | Kitt Peak National Observatory |
| Discovery date | 19 October 1999 |
| Designations | |
Designation | Jupiter XVII |
| Pronunciation | /kəˈlɪroʊiː/ |
Named after | Καλλιρρόη Kallirrhoê |
| S/1999 J 1 1999 UX18 | |
| Orbital characteristics | |
| Epoch 2026-01-01 | |
| Observation arc | 17.54 yr (6,406 days) |
| Periapsis | 15.6 million km |
| Apoapsis | 30.9 million km |
| 23.3 million km | |
| Eccentricity | 0.329 |
| –724.4 days | |
| 322° | |
| 0° 27m 25.866s / day | |
| Inclination | 147.3° (to ecliptic) |
| 32.2° | |
| 102.2° | |
| Satellite of | Jupiter |
| Group | Pasiphae group |
| Physical characteristics | |
| 9.6±1.3 km | |
| Albedo | 0.052±0.016 |
Spectral type | D |
| 20.8 | |
| 13.92±0.02 | |
Callirrhoe (/kəˈlɪroʊ.iː/; Greek: Καλλιρρόη), also known as Jupiter XVII, is one of Jupiter's outermost natural satellites.