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Table 1

Number of objects (N), P1, Pi, Vcol, and the number of encounters with Pluto for the Plutino and non-Plutino sub-samples.

Plutinos non-Plutinos

N 235 4715
P1 8444.42 64 511.7
Pi 3.225 × 10-22 1.223 × 10-22
Vcol 2.265 ± 0.988 1.975 ± 0.795
Encounters 77 653

Notes. Pi and Vcol are in units of km-2 yr-1 and km s-1, respectively.

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