Impactor flux and cratering on the Pluto-Charon system

G. C. de Elía; R. P. Di Sisto; A. Brunini

doi:10.1051/0004-6361/201014884

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Volume 521 (October 2010)

A&A, 521 (2010) A23

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Table 1:

Collisional evolution results about Pluto.
	Initial Pop. 1	Initial Pop. 2	Initial Pop. 3
N(D > 1)	5552	2843	1271
$\tau(D > 1)$ (Myr)	0.63	1.23	2.75
$D_{{\rm i,Max}}$ (km)	22.5	20.1	16.8
C(D > 1)	113 879	76 726	43 076
$D_{{\rm c,Max}}$ (km)	38.8	35.5	30.1

Notes. N(D > 1) is the total number of D > 1 km Plutinos impacting Pluto over 3.5 Gyr, $\tau(D > 1)$ the timescale on which these impacts occur, $D_{{\rm i,Max}}$ the largest Plutino expected to have struck Pluto during the past 3.5 Gyr, C(D > 1) the total number of D > 1 km craters on Pluto produced by Plutino impacts over 3.5 Gyr, and $D_{{\rm c,Max}}$ the largest crater diameter on Pluto.

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