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249470 (2009 JA13)
Classification: Main-belt Asteroid          SPK-ID: 2249470
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0585411161840269 9.4519e-08  
a 3.096376619565446 4.0386e-08 au
q 2.915111276129961 2.9613e-07 au
i 9.904837626704204 7.2298e-06 deg
node 68.84244477242648 5.2743e-05 deg
peri 87.31891783744007 8.2439e-05 deg
M 359.2926398184426 6.2024e-05 deg
tp 2458604.410364165311
(2019-Apr-30.91036417)
0.00034287 TDB
period 1990.119229517045
5.45
3.8935e-05
1.066e-07
d
yr
n .1808936844891266 3.5391e-09 deg/d
Q 3.277641963000931 4.275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      8463 days (23.17 yr)  
   first obs. used      1995-11-25  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56212  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:16:33  

Additional Information
 Earth MOID = 1.94716 au 
 Jupiter MOID = 1.78433 au 
 T_jup = 3.198 
[ 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 15.6   n/a MPO433635  
diameter diameter 4.805 km 1.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249470 (2009 JA13)          Discovered 2009-May-02 by La Sagra at La Sagra
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 JA13 = 2001 YC38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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