Free Access
   

Table 2:

Densities and porosities of meteoroids.
Meteor Parent $\delta _{\rm m}$, g cm-3 $N_{\rm m}$ $\delta _{\rm m}$, g cm-3 $N_{\rm m}$ $\delta$, g cm-3 $N_{\rm b}$ p,
stream body Benyuch (1974) This   work This   work $\%$
Draconids 21P/Giacobini-Zinner 1.8 175 - - 0.3** - 83
Leonids 55P/Tempel-Tutlle - - $2.3\pm 0.2$ 10 $0.4\pm 0.1$ 6 83
Orionids 1P/Halley - - $2.4\pm 0.2$ 6 $0.9\pm 0.5$ 2 62
Perseids 109P/Swift-Tutlle 2.4 309 $2.25\pm 0.04$ 191 $1.2\pm 0.2$ 97 45
Taurids 2P/Encke 2.7 63 $2.7\pm 0.2$ 12 $1.6\pm 0.4$ 6 41
Quadrantids 2003EH1  and  96P/Machholz1 3.4 20 $3.4\pm 0.8$ 4 $1.9\pm 0.2$ 3 44
$\alpha$-Capricornids 2003EX12 = 169P/NEAT 2.8 34 $3.4\pm 0.8$ 5 2.1 1 38
$\kappa$-Cygnids 2008ED69? - - $2.5\pm 0.1$ 2 $2.2\pm 1.7$ 2 12
$\delta$-Aquarids 2003EH1  and  96P/Machholz1 4.1 36 $3.4\pm 0.4$ 13 $2.4\pm 0.6$ 8 29
Geminids 3200 Phaethon 3.3 118 $2.9\pm 0.2$ 20 $2.9\pm 0.6$ 8 0
Sporadic   2.7 2267 $3.0\pm 0.1$ 238 $1.8\pm 0.3$ 103 40

** The value of the bulk density is taken from Borovicka et al. (2007).


Source LaTeX | All tables | In the text

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.