Discovery
Discovery date23 January 1906
Designations
MPC designation(582) Olympia
Pronunciation/əˈlɪmpiə/
Alternative designations1906 SO
Orbital characteristics
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc110.23 yr (40261 d)
Aphelion3.1910 AU (477.37 Gm) Perihelion2.0291 AU (303.55 Gm)
Semi-major axis2.6100 AU (390.45 Gm)
Eccentricity0.22258
Orbital period (sidereal)4.22 yr (1540.2 d) Mean motion0° 14m 1.464s / day
Inclination30.036°
Longitude of ascending node155.717°
Argument of perihelion310.537°
Physical characteristics
Mean radius21.705±1.3 km 21.695 ± 0.745 km Mass(0.43 ± 1.17) × 1018 kg
Synodic rotation period36.312 h (1.5130 d) Geometric albedo0.2128±0.028
Absolute magnitude (H)9.11