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249324 (2008 UR259)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249324
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2420975403152322 6.1946e-08  
a 3.957956570816247 6.7201e-08 au
q 2.999745020347123 2.4861e-07 au
i 1.778134016111367 7.8136e-06 deg
node 241.4274940089478 0.00027737 deg
peri 190.1558931500334 0.00027812 deg
M 108.5242399389596 1.9069e-05 deg
tp 2457733.479800109743
(2016-Dec-10.97980011)
0.00014403 TDB
period 2876.106500594257
7.87
7.3248e-05
2.005e-07
d
yr
n .1251692174561746 3.1878e-09 deg/d
Q 4.916168121285371 8.347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6311 days (17.28 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62799  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:33:11  

Additional Information
 Earth MOID = 2.01422 au 
 Jupiter MOID = .396543 au 
 T_jup = 3.006 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO437158  
diameter diameter 5.703 km 0.461 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.038   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

249324 (2008 UR259)          Discovered 2008-Oct-27 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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