later winter, spring, early summer
late summer, fall, early
winter
when visible
Pluto-like
water ice
Pluto-like
surface composition
no
yes!
satellite?
29 degrees
28 degrees
44 degrees
tilt of orbit compared to planets
52 AU
52 AU
97 AU
furthest from sun
39 AU
35 AU
38 AU
closest approach to sun
307 years
285 years
560 years
orbital period
(an AU is the distance from the
earth to the sun)
52 AU
52 AU
97 AU
current distance
(note that though we consider Pluto
and 2003 UB313 planets, they are also clearly members of the Kuiper
belt, with Pluto the brightest member)
2nd brightest KBO
3rd brightest KBO
4th brightest Kuiper belt object (KBO)
brightness
~3/4 Pluto
~3/4 Pluto
bigger than Pluto!
size
Brown, Trujillo, Rabinowitz
Brown, Trujillo, Rabinowitz
Brown, Trujillo, Rabinowitz
discoverers
2005 FY9
2003 EL61
2003 UB313
object
Tri najveća TNO