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249320 (2008 UR202)
Classification: Main-belt Asteroid          SPK-ID: 2249320
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1556819321641269 7.2833e-08  
a 3.095721555410865 2.9046e-08 au
q 2.613773642222366 2.2732e-07 au
i 9.147486428491032 8.029e-06 deg
node 233.4406016429616 3.6089e-05 deg
peri 187.1186641289684 4.1212e-05 deg
M 24.10879235324075 1.8284e-05 deg
tp 2458867.266259952661
(2020-Jan-18.76625995)
0.00010093 TDB
period 1989.487723577103
5.45
2.8e-05
7.666e-08
d
yr
n .1809511040122024 2.5467e-09 deg/d
Q 3.577669468599365 3.3568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      6308 days (17.27 yr)  
   first obs. used      2002-08-27  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43928  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:44:33  

Additional Information
 Earth MOID = 1.62664 au 
 Jupiter MOID = 1.77169 au 
 T_jup = 3.185 
[ 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 15.7   n/a MPO454847  
diameter diameter 5.264 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249320 (2008 UR202)          Discovered 2008-Oct-27 by LINEAR at Socorro
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 UR202 = 2006 KC25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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