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243471 (2009 SO213)
Classification: Outer Main-belt Asteroid          SPK-ID: 2243471
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 .161911745107861 4.7891e-08  
a 3.204271709163067 3.0008e-08 au
q 2.685462484932726 1.6158e-07 au
i 3.719866577884231 4.9426e-06 deg
node 22.08306664848265 8.1106e-05 deg
peri 335.9403586242615 8.3786e-05 deg
M 325.9148049757023 1.7442e-05 deg
tp 2459198.860736621655
(2020-Dec-15.36073662)
0.00010139 TDB
period 2095.04053395884
5.74
2.943e-05
8.057e-08
d
yr
n .1718343841871809 2.4138e-09 deg/d
Q 3.723080933393407 3.4867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6266 days (17.16 yr)  
   first obs. used      2003-08-25  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:56:19  

Additional Information
 Earth MOID = 1.68231 au 
 Jupiter MOID = 1.72581 au 
 T_jup = 3.169 
[ 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 16.2   n/a MPO440239  
diameter diameter 3.019 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243471 (2009 SO213)          Discovered 2009-Sep-23 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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