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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0555444293294666 6.8931e-08  
a 2.557462174556396 2.341e-08 au
q 2.415409397538964 1.6473e-07 au
i 3.630723581967828 5.2137e-06 deg
node 66.15154826101616 8.5441e-05 deg
peri 121.9010046528174 9.714e-05 deg
M 133.3164351586799 4.8485e-05 deg
tp 2458447.285637088250
(2018-Nov-24.78563709)
0.00019871 TDB
period 1493.86810719311
4.09
2.0512e-05
5.616e-08
d
yr
n .2409851299901025 3.3089e-09 deg/d
Q 2.699514951573827 2.4711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      7295 days (19.97 yr)  
   first obs. used      2000-10-29  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:18:53  

Additional Information
 Earth MOID = 1.41769 au 
 Jupiter MOID = 2.25802 au 
 T_jup = 3.432 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO476002  
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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