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249140 (2008 AY15)
Classification: Main-belt Asteroid          SPK-ID: 2249140
[ 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06937799456732927 7.1052e-08  
a 2.68056978778742 2.5751e-08 au
q 2.494597231612957 1.9778e-07 au
i 3.878319012343443 5.5059e-06 deg
node 263.9633632773657 9.7786e-05 deg
peri 108.7760172190035 0.00010685 deg
M 36.454242506598 4.1279e-05 deg
tp 2458838.175272650687
(2019-Dec-20.67527265)		 0.00018363 TDB
period 1603.020604122437
4.39		 2.3099e-05
6.324e-08		 d
yr
n .2245760279526037 3.2361e-09 deg/d
Q 2.866542343961882 2.7537e-08 au
   Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      6724 days (18.41 yr)  
   first obs. used      2001-06-18  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57735  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:44:12  

Additional Information
 Earth MOID = 1.49815 au 
 Jupiter MOID = 2.47738 au 
 T_jup = 3.370 
[ 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 16.8   n/a MPO450107  
diameter diameter 2.612 km 0.969 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249140 (2008 AY15)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
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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