Eupheme (moon)
Images of Eupheme by the Canada-France-Hawaii Telescope in February 2003 | |
| Discovery | |
|---|---|
| Discovered by | Scott S. Sheppard |
| Discovery date | 2003 |
| Designations | |
Designation | Jupiter LX |
| Pronunciation | /juːˈfiːmiː/ |
Named after | Ευφήμη Eyphēmē |
| S/2003 J 3 | |
| Adjectives | Euphemean /juːfɪˈmiːən/ |
| Orbital characteristics | |
| Epoch 2026-01-01 | |
| Observation arc | 21 years 2024-12-03 (last obs) |
| Periapsis | 12.7 million km |
| Apoapsis | 27.7 million km (2026-Jan-23) |
| 20.2 million km | |
| Eccentricity | 0.371 |
| −587.7 days | |
Average orbital speed | 2.5 km/s |
| 164° | |
| Inclination | 148.0° |
| 325° | |
| 119° | |
| Satellite of | Jupiter |
| Group | Ananke group |
| Physical characteristics | |
| 2 km | |
| 23.4 | |
| 16.47 (30 obs) | |
Eupheme /juːˈfiːmiː/, also Jupiter LX, originally known as S/2003 J 3, is an outer irregular satellite of Jupiter, 2 km in diameter. It orbits Jupiter at an average distance of 20 million km, but gets as far away as 27.7 million km.