
Discovery
Discovery date27 October 1899
Designations
MPC designation(447) Valentine
Alternative designations1899 ES
Minor planet categoryMain belt Orbital characteristics
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc121.46 yr (44363 d)
Aphelion3.11615 AU (466.169 Gm) Perihelion2.85330 AU (426.848 Gm)
Semi-major axis2.98472 AU (446.508 Gm)
Eccentricity0.044033
Orbital period (sidereal)5.16 yr (1883.5 d) Mean motion0° 11m 28.097s / day
Inclination4.79460°
Longitude of ascending node71.8375°
Argument of perihelion322.874°
Physical characteristics
Synodic rotation period9.651 h (0.4021 d) Geometric albedo0.0714±0.006
Absolute magnitude (H)8.99