447 Valentine

447 Valentine is a large Main belt asteroid.

447 Valentine

Discovery
Discovered by	M. F. Wolf A. Schwassmann
Discovery date	27 October 1899
Designations
MPC designation	(447) Valentine
Alternative designations	1899 ES
Minor planet category	Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	121.46 yr (44363 d)
Aphelion	3.11615 AU (466.169 Gm)
Perihelion	2.85330 AU (426.848 Gm)
Semi-major axis	2.98472 AU (446.508 Gm)
Eccentricity	0.044033
Orbital period (sidereal)	5.16 yr (1883.5 d)
Mean anomaly	218.145°
Mean motion	0° 11m 28.097s / day
Inclination	4.79460°
Longitude of ascending node	71.8375°
Argument of perihelion	322.874°
Physical characteristics
Dimensions	79.22±3.2 km
Synodic rotation period	9.651 h (0.4021 d)
Geometric albedo	0.0714±0.006
Absolute magnitude (H)	8.99

It was discovered by Max Wolf and A. Schwassmann on 27 October 1899 in Heidelberg.