697 Galilea
697 Galilea is a minor planet orbiting the Sun. It was named in honor of Galileo Galilei, as it was discovered just after the 300th anniversary of his discovery of the Galilean moons.
| Discovery | |
|---|---|
| Discovered by | J. Helffrich |
| Discovery site | Heidelberg |
| Discovery date | 14 February 1910 |
| Designations | |
MPC designation | (697) Galilea |
| Pronunciation | /ɡælɪˈliːə/ |
Alternative designations | 1910 JO |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 106.00 yr (38717 d) |
| Aphelion | 3.3305 AU (498.24 Gm) |
| Perihelion | 2.4292 AU (363.40 Gm) |
Semi-major axis | 2.8799 AU (430.83 Gm) |
| Eccentricity | 0.15648 |
Orbital period (sidereal) | 4.89 yr (1785.1 d) |
Mean anomaly | 62.6388° |
Mean motion | 0° 12m 6.012s / day |
| Inclination | 15.143° |
Longitude of ascending node | 15.542° |
| 333.222° | |
| Physical characteristics | |
Mean radius | 40.07±0.85 km |
Synodic rotation period | 16.538 h (0.6891 d) |
| 0.0387±0.002 | |
| 9.63 | |
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