| Subject: | EXTERNAL: |
| Author: | Yan Fernandez <yrf@me.com> |
| Date: | 04-Jan-2011 19:31:42 |
|
Hi Josh -- Good point, I'll add that bullet in to the outline.
To all: any takers on text writing?
Thanks
--Yan
On Jan 2, 2011, at 1:49 PM, Hopkins, Josh B wrote:
> Yan, thanks for heading this up.
>
> I’d like to suggest another topic for the “current issues” section.
> We need more follow-up observations to really determine orbits of
> many of the small bodies as they are discovered so that they don’t
> become lost. Many Near Earth Asteroids are being detected by the
> surveys and given preliminary designations but their orbit
> determination is too poor to find them again at their next
> opposition. I just did a quick check of all NEAs discovered in 2006
> (a year picked randomly but intended to be far enough back for some
> follow up observations to have occurred since then). The median
> data arc for all NEAs discovered in 2006 is only 34 days. Roughly a
> quarter have orbit uncertainty codes of 8 or 9 (0-9 log scale where
> 0 is good).
>
>
> Josh Hopkins
>
>
> From: Yan Fernandez [mailto:yrf@me.com]
> Sent: Thursday, December 30, 2010 8:51 PM
> To: sbag.population@pc93.lpi.usra.edu
> Subject: EXTERNAL: [SBAG Population Identification &
> Characterization] population section draft of roadmap due on Jan 14
>
>
> Hi everyone -- It's time to start thinking again about the 'population
> identification and characterization' section of the SBAG Roadmap.
>
> When we last left this back in August, I presented to SBAG a brief
> outline of our section. I'm attaching that presentation to refresh
> everyone's memory. It's a short PDF.
>
> The outline upon which this SBAG presentation was based is online
> (at http://www.ps i.edu/~sykes/sbag/roadmap/outline_population.html ),
> but this is the outline from July 28. So it's a bit old. I've taken
> that outline and updated it, expanding it a bit, and incorporating
> the comments that were sent to me in July and the comments I got
> from the SBAG meeting participants. The new, updated outline --
> dated December 31 -- is attached. Let's consider this the current
> version.
>
> The next step is to convert this outline into a real document. So
> right now I'm asking for volunteers to tackle various parts. If
> you have a desire to write or help write some fraction of the
> document, let the group know --- and please let us know soon!
>
> The section draft is due on January 14, ie. only about 2 weeks away.
> Then the draft will be open for community discussion until the next
> SBAG meeting in the end of the month. I'm scheduled to give a talk
> at that meeting about our section on January 25.
>
> Thanks!
> --Yan
>
> < span style='font-family:"Helvetica","sans-serif"'>--Dr. Yan
> Fernandez, Asst. Prof. of AstronomyDepartment of Physics,
> University of Central Floridayan@physics.ucf.edu, http://
> www.physics.ucf.edu/~yfernandez
>
>
--
Dr. Yan Fernandez, Asst. Prof. of Astronomy
Department of Physics, University of Central Florida
yan@physics.ucf.edu, http://www.physics.ucf.edu/~yfernandez
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