
Discovery
Discovery date23 February 1895
Designations
MPC designation(399) Persephone
Pronunciation/pərˈsɛfəniː/
Alternative designations1895 BP
Minor planet categoryMain belt Orbital characteristics
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc120.99 yr (44191 d)
Aphelion3.2761 AU (490.10 Gm) Perihelion2.82735 AU (422.966 Gm)
Semi-major axis3.0517 AU (456.53 Gm)
Eccentricity0.073517
Orbital period (sidereal)5.33 yr (1947.2 d) Mean motion0° 11m 5.568s / day
Inclination13.113°
Longitude of ascending node346.391°
Argument of perihelion194.023°
Physical characteristics
Synodic rotation period9.136 h (0.3807 d) Geometric albedo0.1838±0.034
Absolute magnitude (H)9.0, 8.91