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407230 (2009 WZ24)
Classification: Main-belt Asteroid          SPK-ID: 2407230
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726488523661812 4.7697e-08  
a 3.118176269564323 2.9875e-08 au
q 2.579826715148583 1.5105e-07 au
i 5.829527118841333 4.9929e-06 deg
node 110.7924645386803 5.7739e-05 deg
peri 298.0854181613892 6.0427e-05 deg
M 335.6101598040744 1.5704e-05 deg
tp 2459136.756074857860
(2020-Oct-14.25607486)
8.8031e-05 TDB
period 2011.172953770476
5.51
2.8903e-05
7.913e-08
d
yr
n .1790000205228917 2.5724e-09 deg/d
Q 3.656525823980063 3.5032e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6236 days (17.07 yr)  
   first obs. used      2003-09-30  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:19:20  

Additional Information
 Earth MOID = 1.59671 au 
 Jupiter MOID = 1.74564 au 
 T_jup = 3.186 
[ 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 MPO455889  
diameter diameter 4.104 km 0.275 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

407230 (2009 WZ24)          Discovered 2009-Nov-21 by Lowe, A. at Mayhill
Reference: Last Updated: 2014-09-12

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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