[meteorite-list] Re: Three new Kuiper Belt Objects

From: Chris Peterson <clp_at_meteoritecentral.com>
Date: Sat Jul 30 10:30:58 2005
Message-ID: <00af01c59513$47180180$f551040a_at_bellatrix>

Shouldn't #2 be 2003 EL61?

Chris

*****************************************
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com


----- Original Message -----
From: "Ron Baalke" <baalke_at_zagami.jpl.nasa.gov>
To: "Meteorite Mailing List" <meteorite-list_at_meteoritecentral.com>
Sent: Saturday, July 30, 2005 12:17 AM
Subject: [meteorite-list] Re: Three new Kuiper Belt Objects


> I've filled in the blanks in your table:
>
> 1. 2003 UB313 _at_ 97 AU
> Twice as big as Pluto (diameter)
> Orbit inclined at 44 degrees
> Period 557 years
> Very bright object, Magnitude 18.9
> Discoverer: Brown
>
> 2. 2005 EL61 _at_ 51 AU
> 0.70 as big as Pluto (diameter) but ELONGATED
> 0.32 the mass of Pluto
> Orbit inclined at 28 degrees
> Period 285 years
> Also bright object, Mag 17.5
> "seen" in 12" scope by amateurs
> within hours of announcement
> Has a moon 1% of primary mass in 49-day orbit
> Discoverer: Ortiz; Moon discovered by Brown
> who had also discovered the primary
> but did not announce first
>
> 3. 2005 FY9 _at_ 52 AU
> "less than" the diameter of Pluto but not by too much
> Orbit inclined at 29 degrees
> Period 308 years
> Also pretty bright for a KBO
> Discoverer: Brown
Received on Sat 30 Jul 2005 10:30:46 AM PDT