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JPL Small-Body Database Browser
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249362 (2008 YR137)
Classification: Main-belt Asteroid          SPK-ID: 2249362
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06121935773079344 6.5357e-08  
a 3.140219776100163 4.8595e-08 au
q 2.947977538273775 2.0151e-07 au
i 9.324936511730264 6.9747e-06 deg
node 280.4348593876375 4.0445e-05 deg
peri 359.057955598027 6.7866e-05 deg
M 150.9599567064004 5.5683e-05 deg
tp 2457748.189663990380
(2016-Dec-25.68966399)		 0.00031169 TDB
period 2032.537155268368
5.56		 4.718e-05
1.292e-07		 d
yr
n .1771185333891065 4.1113e-09 deg/d
Q 3.332462013926551 5.157e-08 au
   Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      4493 days (12.30 yr)  
   first obs. used      2006-08-22  
   last obs. used      2018-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55681  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:43:20  

Additional Information
 Earth MOID = 1.93096 au 
 Jupiter MOID = 1.79568 au 
 T_jup = 3.187 
[ 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 MPO422968  
diameter diameter 3.679 km 0.838 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.099   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249362 (2008 YR137)          Discovered 2008-Dec-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 YR137 = 2006 QU131 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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