Download presentation
Presentation is loading. Please wait.
1
Tales from the outer solar system Mike Brown Caltech (IT SHOULDN’T) ( 8 )
2
Emily Schaller Wes Fraser Meg Schwamb Darin Ragozzine Alex Lockwood Konstantin Batygin Chad Trujillo Michele Bannister David Rabinowitz
3
Neptune crossing 3:22:1 Plutinos classical KBOs scattered KBOs N U
5
Picture of oschin, with radio link with Chad Trujillo & David Rabinowitz
7
Brown, Trujillo, Rabinowitz
10
Haumea Snow White
11
J S U N P
23
Where did it come from? -in situ formation -scattered by modest-sized planet @ ~70AU -close stellar encounter
24
Where did it come from? -in situ -scattered by modest-sized planet @ ~70AU -close stellar encounter
25
Where did it come from? -in situ -scattered by modest-sized planet @ ~70AU -close stellar encounter -dense stellar birth environment
36
Schwamb, Brown, Rabinowitz 2009
37
Sedna Snow white 241.02
38
Schwamb, Brown, Rabinowitz 2009
46
Haumea Snow White
48
Rabinowitz et al. 2005 2 hours 25%
49
ρ = 2.6 g/cm 3 Weidenshilling 1983
50
Trujillo et al. 2006
53
V=17.5 FWHM=0.063 Strehl=0.18
55
Haumea Hi’iaka
57
Canup 2005
58
Brown et al. 2007
63
Ragozzine SwRI Colloquium EL61 (12:7) OY3 (7:4) Resonance Diffusion Isotropic v = 150 m/s Haumea (12:7) 1999 OY3 (7:4)
64
Ragozzine SwRI Colloquium EL61 (12:7) OY3 (7:4) Resonance Diffusion 2003 UZ117 2005 CB79 Haumea (12:7) 1999 OY3 (7:4) Isotropic v = 150 m/s Schaller and Brown 2008
66
V=17.5 FWHM=0.063 Strehl=0.18
69
49-day period e = 0.05 M p ≈ 1/3 Pluto UNSTABLE
72
Ragozzine SwRI Colloquium Results Masses: 0.5% and 0.05% Ecc: 0.05 and 0.23 Mutual inc: 13 degrees Mean-motion ratio: near 8:3 J2+spin pole unrecoverable
73
Satellite Masses, Albedos, Densities Model Dependent
80
Brown, Trujillo, Rabinowitz
81
And they all lived happily at least for a few Gyr. The End
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.