雙小行星Patroclus-Menoetiusatroclus掩星
掩星時間:2024/10/18 16h07m37.505 UT - 16h07m44.444UT ,觀測成功,我們應該看到的是Menoetiusatroclus的掩星,沒有看到Patroclus掩星
掩星資料:節錄自CORA預測網站
Occultation UUID [and db] : 6890e2a0-828d-11ef-6618-705affbe9237 [asteroids]
Occultation Date + Time : 2024-10-18 at 16:08:58 UT +/- 0.04 min [1]
Object Designation : (617) Patroclus
Star Designation : GDR3 2374247274005555840
Star Coordinates (ICRF) : RA = 00 35 55.2062, DE = -14 56 09.735 [2]
Star Magnitudes : G = 12.75 mag, RP = 12.19 mag, BP = 13.15 mag
Object Magnitude : V = 14.79 mag
Estimated Magnitude Drop : 2.2 mag
Estimated Max. Duration : 9.4 sec
Object Mean Diameter : 141 km (src: astorb)
Orbital Class : JTRO
Speed of the shadow : 15.0 km/s
Elongation to Moon & Sun : 45° (sunlit = 98%), Sun = 151°
Cross-track uncertainty : 12.3 mas = 32 km = 0.23 path-width (1-sig)
RUWE and duplicate source : 1.12 mas, dup.src = 0 (0:false, 1:true)
使用Limovie分析軟體,藍色為目標星、紫紅色為用來比對的另一顆恆星,可以看到目標星的亮度有下降。