697 Galilea

697 Galilea

Discovery
Discovered by	J. Helffrich
Discovery site	Heidelberg
Discovery date	14 February 1910
Designations
MPC designation	(697) Galilea
Pronunciation	/ɡælɪˈliːə/[1]
Alternative designations	1910 JO
Orbital characteristics[2]
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° 12^m 6.012^s / day
Inclination	15.143°
Longitude of ascending node	15.542°
Argument of perihelion	333.222°
Physical characteristics
Mean radius	40.07±0.85 km
Synodic rotation period	16.538 h (0.6891 d)
Geometric albedo	0.0387±0.002
Absolute magnitude (H)	9.63

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.

References

1. 'Galilaea' in Noah Webster (1884) A Practical Dictionary of the English Language
2. "697 Galilea (1910 JO)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.

External links

• 697 Galilea at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 697 Galilea at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters