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JPL Small-Body Database Browser
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249300 Karenmortfield (2008 UY)
Classification: Main-belt Asteroid          SPK-ID: 2249300
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05454286854807588 6.9601e-08  
a 2.558096331840293 3.2754e-08 au
q 2.418570419879413 1.6516e-07 au
i 3.633080526233669 9.0581e-06 deg
node 66.17847130860837 8.6621e-05 deg
peri 122.2635989255001 0.00012654 deg
M 36.6635417624555 8.6228e-05 deg
tp 2458448.303142709468
(2018-Nov-25.80314271)
0.00035927 TDB
period 1494.423778793212
4.09
2.8702e-05
7.858e-08
d
yr
n .2408955244881809 4.6267e-09 deg/d
Q 2.697622243801173 3.4541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6847 days (18.75 yr)  
   first obs. used      2000-10-29  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49798  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:38  

Additional Information
 Earth MOID = 1.42104 au 
 Jupiter MOID = 2.26107 au 
 T_jup = 3.431 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO433634  
diameter diameter 2.422 km 0.451 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249300 Karenmortfield           Discovered 2008 Oct. 18 at Auberry.
Karen Mortfield (b. 1958) is a Canadian public affairs specialist. As a volunteer, she played a leadership role in the renaissance of the David Dunlap Observatory in Canada, working from 2009-2017 to repurpose the 80-year old Observatory as a space science campus.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-10-26Last Updated: 2019-04-09

Alternate Designations
 2008 UY = 2000 UL31 = 2006 CJ45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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