Quaoar Kuiper Belt Objects Kuiper Belt Kuiper 1951

Quaoar

柯伊伯帶星體 (Kuiper Belt Objects)

Kuiper Belt 柯伊伯帶 (Kuiper 1951): 太陽系原 行星盤(proto-planetary disk)遺留物，含上億計 彗星漂浮於海王星軌道 以外 大小~ 10’s km 距離~ 30 -100 AU’s (1 AU ~ 1. 5 x 108 km) 骯雪球‘dirty snowballs’ Animation and figure by NASA

Kuiper Belt Objects 1999 KR 16 1995 WY 2 http: //www. ifa. hawaii. edu/faculty/jewitt/kb. html

Jane Lu 1992 QB 1 22. 8 m, ~200 km ~50 AU D. Jewitt & J. Lu http: //www. ifa. hawaii. edu/faculty/jewitt/kb. html

Solar system seen from outside 奧特雲

Comet Linear

Comet Hyakutake 百武彗星

Comet West

Oschin Telescope, California

by Chad Trujillo and Mike Brown 原片1/150 2 June, 2002

Near Earth Asteroid Tracking (NEAT) Survey skyview. gsfc. nasa. gov/skymorph. html 5 Aug, 2001

NEAT Survey 1 Aug, 1997

By Charles Kowal www. gps. caltech. edu/~chad/quaoar/kowaldata/ 原片1/5000 17 -18 May, 1983