Francisco (moon)
| Discovery | |
|---|---|
| Discovered by | |
| Discovery date | August 13, 2001 (confirmed in 2003) |
| Designations | |
Designation | Uranus XXII |
| Pronunciation | /frænˈsɪskoʊ/ |
| Adjectives | Franciscan, Fransiscian, Francisconian |
| Orbital characteristics | |
Mean orbit radius | 4,276,000 km |
| Eccentricity | 0.1459 |
| 266.56 d | |
| Inclination | 145° (to the ecliptic) |
| Satellite of | Uranus |
| Physical characteristics | |
| 11 km (estimate) | |
| ~1,500 km2 (estimate) | |
| Volume | ~6,000 km3 (estimate) |
| Mass | ~7.2×1015 kg (estimate) |
Mean density | ~1.3 g/cm3 (assumed) |
| ~0.0025 m/s2 (estimate) | |
| ~0.0094 km/s (estimate) | |
| ? | |
| ? | |
| Albedo | 0.04 (assumed) |
| Temperature | ~65 K (estimate) |
Francisco is the innermost irregular satellite of Uranus.
Francisco was discovered by Matthew J. Holman, et al. and Brett J. Gladman, et al. in 2003 from pictures taken in 2001 and given the provisional designation S/2001 U 3. Confirmed as Uranus XXII, it was named after a lord in William Shakespeare's play The Tempest.