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Table 2

Fragmentation model parameters for meteors with elongated ending, compared to results of Draconid meteors.

Meteor Init. mass Init. velocity δ σ η GUML GLML
(g) (km s−1) (kg m−3) (s2 km−2) (s2 km−2) (g) (g)
06730083 1.87 25.12 1700 0.019 0.86 7.94 ×10−5 2.51 ×10−6
08728076 5.05 ×10−1 25.18 1100 0.012 0.31 3.98 ×10−5 1.00 ×10−6
08728233 9.52 ×10−1 24.98 450 0.012 0.24 5.01 ×10−5 1.09 ×10−6
Draconids
DRA01 1.54 ×10−1 23.44 440 0.022 0.30 2.14 ×10−6 2.04 ×10−6
DRA03 4.26 ×10−1 23.20 99 0.027 0.63 7.70 ×10−6 7.70 ×10−6
DRA04 3.73 23.57 375 0.015 2.31 5.01 ×10−6 3.89 ×10−8
DRA05 3.56 ×10−1 23.48 370 0.032 0.73 1.38 ×10−5 1.00 ×10−7
DRA06 2.68 23.55 390 0.0150 0.150 3.63 ×10−6 2 ×10−8
DRA07 2.98 ×10−1 23.38 161 0.014 0.96 1.56 ×10−6 5.02 ×10−9
DRA08 1.02 ×10−1 23.63 180 0.019 0.98 1.60 ×10−6 7.96 ×10−9
Meteor Erosion start Erosion end Grain sizes Number of grains Es Spec. class Orbital class
(km) (km) (mm) (J m−2)
06730083 97.0 84.5 0.37–0.11 3.5 ×105 2.3 ×106 Normal A–C
08728076 99.5 83.4 0.30–0.09 1.5 ×105 1.5 ×106 Normal Ecl/J–F
08728233 102.7 84.6 0.32–0.09 2.0 ×105 1.1 ×106 Normal J–F
Draconids
DRA01 96.1 85.7 0.11–0.10 5.5 ×104 1.9 ×106 Normal J–F
DRA03 98.3 93.1 0.17–0.16 2.5 ×104 1.5 ×106 Normal J–F
DRA04 105.1 92.2 0.15–0.03 1.9 ×107 5.2 ×105 Normal J–F
DRA05 102.0 90.6 0.06–0.05 5.3 ×105 8.7 ×105 Normal J–F
DRA06 100.6 77.7 0.13–0.02 2.0 ×107 1.1 ×106 Normal J–F
DRA07 100.2 93.9 0.10–0.02 7.6 ×106 1.2 ×106 Normal J–F
DRA08 99.4 95.0 0.10–0.02 2.5 ×106 1.5 ×106 Normal J–F

Notes. GUML stands for grain upper mass limit, GLML is grain lower mass limit, Es is the energy needed for the start of erosion, δ is the bulk density of the meteoroid, σ is the ablation coefficient, and η is the erosion coefficient.

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