Free Access

Table 2

Statistical impact parameters for the collisions between each group and the overall TNO population (ALL).

Group N ⟨ Pi ⟩ ⟨ |U| ⟩ σ(| U |) ⟨ |UR| ⟩ ⟨ |UT| ⟩ ⟨ |UN| ⟩ p 1 p 2 c

all 66   038 1.29 1.65 1.13 0.75 0.41 1.22 0.47 1.66 0.29
ICB 943 1.45 2.69 1.29 0.51 0.73 2.43 2.43
HMCB 10   241 1.60 2.24 1.08 0.68 0.56 1.92 1.90
CMCB 15   831 2.54 1.01 1.05 1.36 0.85 1.61 0.47 1.66 0.62
OB 25   572 0.473 2.51 1.05 1.36 0.85 1.61 2.14
1:1 53 0.193 2.43 1.16 0.60 0.54 2.13 2.09
5:4 39 0.936 2.08 0.96 0.67 0.48 1.73 1.77
4:3 198 1.34 1.86 0.94 0.65 0.44 1.51 1.58
3:2 3340 1.54 2.10 1.04 0.84 0.44 1.71 1.75
5:3 1262 1.71 1.78 0.93 0.79 0.34 1.38 1.45
7:4 665 2.16 1.30 0.83 0.68 0.23 0.92 0.70 1.70 0.55
2:1 871 1.26 1.79 0.86 1.11 0.34 1.10 1.50
7:3 900 0.978 1.95 0.86 1.24 0.46 1.16 1.61
5:2 3179 0.743 2.17 0.95 1.25 0.61 1.38 1.85
3:1 944 0.667 2.13 0.88 1.47 0.59 1.08 1.82
5:1 2000 0.273 2.37 0.86 1.64 0.90 1.04 2.03

Notes. The integer number N is the number of members in each group. The mean probability of collision is given in unit of 10-22 km-2 yr-1, while the impact velocity and its components is in km s-1. The parameters p1, p2 and c refer to best fits with Maxwellian distributions (see text for details).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.