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Re: (meteorobs) No outburst from Ursids in 2001?



Hi!

Can anyone to explain what the mean anomaly factor means?

Thanks,

Francisco Ocaņa

>
>
> Actually an encounter with a trailet from 1392 was found. The encounter is
> at about rD-rE=0.001au, which is a relative close encounter, considering the
> trail age. It appears however that the trailet has near the encounter, the
> very small mean anomaly factor (fM) of about 0.0002. A comparison with the
> 2000 encouter is difficult because of quite different local properties of
> the two trailets.
>
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