太陽系、觀測記錄 20151225 Merry Christmas and KERO anniversary! 4 years. 2015-12-25 admin Full Moon 2015-1225 13:24UT Distance: 371711Km Apparent diameter: 32.15′ Colongitude: 86.5° Phase: 358.8° Lunation: 14.12 days Illumination: 100.0% Sub-solar latitude: 1.5° MPC CODE:P25