Etc. etc. etc.
description
Transcript of Etc. etc. etc.
Etc. etc. etc.
NU
Neptune crossing
3:2 2:1Plutinos
classical KBOs
scattered KBOs
NU
J
S
U
N
P
Jup i
ter
Satu
rn
Ur a
n us
Nep
tune
Mer
cury Ve
nus
Ea r
th
Mar
s
Pluto
Ast
eroi
d be
lt
Jup i
ter
Satu
rn
Ur a
n us
Nep
tune
Mer
cury Ve
nus
Ea r
th
Mar
s
Pluto
Ast
eroi
d be
lt?
Jup i
ter
Satu
rn
Ur a
n us
Nep
tune
Mer
cury Ve
nus
Ea r
th
Mar
s
Pluto
Ast
eroi
d be
lt
?Kuiper belt
J
S
U
N
P
# di
scov
ered
KBO
s
Ura
nus
Nep
tune
Plut
oQ
uaoa
r
SJ
Ura
nus
Nep
tune
Plut
oQ
uaoa
r
SJ
50 1000heliocentric distance
num
ber
50 1000heliocentric distance
num
ber
r-3/2
50 1000heliocentric distance
num
ber
r-11
Jup i
ter
Satu
rn
Ur a
n us
Nep
tune
Mer
cury Ve
nus
Ea r
th
Mar
s
Pluto
Ast
eroi
d be
lt
?Kuiper belt
Jup i
ter
Satu
rn
Ur a
n us
Nep
tune
Mer
cury Ve
nus
Ea r
th
Mar
s
Pluto
Ast
eroi
d be
ltKuiper belt
The
edg
e of
the
sola
r sy
stem
>
inne
r
20,000 – 100,000 AU
?
J
S
U
N
P
a=480 AUe=0.85i=12
q=76 AUQ=900 AU
P=10,500 yr
Where did it come from?-in situ formation
-scattered by modest-sized planet @ ~70AU-close stellar encounter
Where did it come from?-in situ
-scattered by modest-sized planet @ ~70AU-close stellar encounter
Where did it come from?-in situ
-scattered by modest-sized planet @ ~70AU-close stellar encounter-dense stellar birth environment
10 x 0.6) (5.1 Al) / Al( -5 2726
Myr 7.0 Mg Al 2626 ht