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249468 (2009 JG3)
Classification: Main-belt Asteroid          SPK-ID: 2249468
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04600355069959029 5.2269e-08  
a 3.171264077194175 3.7615e-08 au
q 3.025374669437183 1.7362e-07 au
i 17.64718936869764 7.4792e-06 deg
node 85.50673847347844 1.9484e-05 deg
peri 95.32504729710391 8.3326e-05 deg
M 317.4907246248495 8.205e-05 deg
tp 2458844.072492385970
(2019-Dec-26.57249239)
0.00047104 TDB
period 2062.752104925491
5.65
3.6701e-05
1.005e-07
d
yr
n .1745241219923534 3.1051e-09 deg/d
Q 3.317153484951167 3.9346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6265 days (17.15 yr)  
   first obs. used      2001-12-15  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60207  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:16:32  

Additional Information
 Earth MOID = 2.083 au 
 Jupiter MOID = 1.84995 au 
 T_jup = 3.127 
[ 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 15.1   n/a MPO437158  
diameter diameter 4.833 km 0.548 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249468 (2009 JG3)          Discovered 2009-May-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 JG3 = 2008 CV186 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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