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243456 (2009 JR3)
Classification: Main-belt Asteroid          SPK-ID: 2243456
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 .1762231506571359 6.8242e-08  
a 3.010484180761845 4.5121e-08 au
q 2.479967173424526 2.0821e-07 au
i 11.30220052055513 7.3897e-06 deg
node 133.3991178164312 3.1989e-05 deg
peri 184.2074660573461 3.6467e-05 deg
M 335.1857356225958 1.9347e-05 deg
tp 2459132.007903799389
(2020-Oct-09.50790380)
0.00010405 TDB
period 1907.888327767243
5.22
4.2893e-05
1.174e-07
d
yr
n .1886902890282365 4.2422e-09 deg/d
Q 3.541001188099163 5.3073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2002-01-15  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59268  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:16:32  

Additional Information
 Earth MOID = 1.4667 au 
 Jupiter MOID = 1.77652 au 
 T_jup = 3.197 
[ 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 MPO437136  
diameter diameter 2.682 km 0.626 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243456 (2009 JR3)          Discovered 2009-May-13 by CSS at Catalina
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2009 JR3 = 2008 CA15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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