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Table 1

Resulting rotational characteristics of meteoroids ejected from the 2P/Encke comet for meteoroid sizes D 1 mm, 1 cm, and 10 cm, three ejection models (see Sect. 3.2), and two types of gas-meteoroid interactions (D means diffuse and S specular reflection of gas molecules from the meteoroid’s surface).

Ejection D v ej ξ Δfcfg
model (mm) (Hz) (Hz) (Hz) (m/s) × 10-4 (%)
M2002-002 D 1 32.02 258.32 3002.13 345.12 4.70 30
M2002-050 D 1 6.74 70.92 962.90 101.93 4.37 27
J1995-100 D 1 4.81 49.16 729.80 71.86 4.30 30
M2002-002 D 10 1.50 12.93 124.64 139.54 5.82 26
M2002-050 D 10 0.31 2.89 31.84 31.14 5.83 26
J1995-100 D 10 0.21 1.90 22.48 22.18 5.37 29
M2002-002 D 100 0.08 0.69 5.12 48.94 8.92 18
M2002-050 D 100 0.02 0.16 1.18 11.82 8.56 16
J1995-100 D 100 0.02 0.12 0.89 8.55 8.45 23
M2002-002 S 1 64.77 556.67 4888.90 276.85 12.63 2
M2002-050 S 1 17.47 171.46 1732.48 89.24 12.07 7
J1995-100 S 1 11.97 124.24 1273.32 66.73 11.70 11
M2002-002 S 10 3.07 28.72 246.04 127.99 14.10 4
M2002-050 S 10 0.65 6.66 63.86 29.95 13.97 4
J1995-100 S 10 0.43 3.93 42.27 17.90 13.80 3
M2002-002 S 100 0.14 1.30 10.48 45.61 17.88 6
M2002-050 S 100 0.05 0.31 2.33 10.04 19.46 10
J1995-100 S 100 0.04 0.22 1.73 7.03 19.84 8

Notes. is the median of spin frequencies; bounds of 2σ interval are and ; vej is the mean ejection velocity; ξ is asymmetry parameter; and Δfcfg represents the maximum difference of between the shape sets (see the text).

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