[APBeta] Comet data

RPEHLM robin at lauryssen-mitchell.com
Mon Jan 19 14:17:27 PST 2009


Hi gang,

I'm using the following script fragment to check out Comet.dat data:

dim apco as APCometObject
apco = CometObject(1)
if apco = nil then
  debug "Comet object not found!"
else
  debug "Comet object found"
  debug "ID: [" + apco.ID + "]"
  debug "Name: " + apco.Name + "]"
end

This fragment produces:

Comet object found
ID: [2P/Encke    ]
Name: [                   ]

Looking at the contents of Comet.dat it looks like ID should be "0002P" 
and Name should be "2P/Encke" (maybe with some trailing padding).  I 
tried the fragment with several other values for CometObject(n), all 
produced the same result e.g. ID=something, Name=blank.

Given that I know zip about cometary data is my assumption about the 
contents of the ID and Name fields correct?  Should I raise a bug report 
or is my assumption wrong?

Regards
Robin
P.S. The Comet.dat file was downloaded from <http://www.astro.cz/mpcorb> 
and was dated 15-Oct-2008 (seems a bit old to me, but there you go)




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