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243473 (2009 SO241)
Classification: Outer Main-belt Asteroid          SPK-ID: 2243473
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815748634727063 8.1426e-07  
a 3.228014108044837 3.1611e-07 au
q 2.641887887088626 2.382e-06 au
i 26.42814601938575 2.9192e-05 deg
node 351.1991520074295 3.0109e-05 deg
peri 41.04111054205892 0.00014169 deg
M 295.8588532865779 7.8915e-05 deg
tp 2459377.929448323475
(2021-Jun-12.42944832)
0.00047418 TDB
period 2118.368759503606
5.80
0.00031117
8.519e-07
d
yr
n .1699420832114037 2.4963e-08 deg/d
Q 3.814140329001048 3.7351e-07 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      4941 days (13.53 yr)  
   first obs. used      2003-09-17  
   last obs. used      2017-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60185  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:33:06  

Additional Information
 Earth MOID = 1.68677 au 
 Jupiter MOID = 1.81092 au 
 T_jup = 2.999 
[ 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 16.0   n/a MPO227167  
diameter diameter 3.542 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243473 (2009 SO241)          Discovered 2009-Sep-18 by CSS at Catalina
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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