Hi Bill,

Thanks for explaining that to me, my knowledge base grew a little
today!

Dave

--- In guide-user@yahoogroups.com, Bill J Gray <pluto@...> wrote:
>
> Hi Dave,
>
> (1922) Zulu and (1951) Lick aren't NEOs, so they won't appear
> in any of the NEO files. (The MPC considers any object with a
> perihelion distance of less than 1.3 AU to be an NEO. You can
> argue with this on several counts -- some of those objects will
> never get closer to us than Mars, etc. -- but it does make
> for a simple definition.)
>
> Both objects did appear in the latest "Unusual Minor Planets"
> MPEC (2008-O08). The MPC does provide an 'unusuals' file in
> MPCORB format, but it has a very different list of asteroids.
> As best I can tell, the only way to get those 'unusual' objects
> is to grab the entire MPCORB file.
>
> -- Bill
>