Re: Asteroid 2004 VD17 Goes Yellow

["John Krempasky"]

"Aidan Karley" <doIlookDAFTenoughTOpost@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
wrote in message
>
>        It's about 4 years that these scales have been in use now ... and a
(slowly) accelerating pace of
> observational discoveries. So when do you reckon we're likely to see the
first 3? A year? Two? Less than 5?
>

Actually Apophis was briefly at "4" for a while so we already have.