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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726488488637455 4.8895e-08  
a 3.11817627834797 4.438e-08 au
q 2.579826733336955 1.6275e-07 au
i 5.82952690833335 5.8102e-06 deg
node 110.7924651197478 6.2042e-05 deg
peri 298.085420539565 6.5519e-05 deg
M 335.6101554592789 2.2691e-05 deg
tp 2459136.756099706191
(2020-Oct-14.25609971)		 0.00012853 TDB
period 2011.17296226844
5.51		 4.2936e-05
1.176e-07		 d
yr
n .1790000197665492 3.8214e-09 deg/d
Q 3.656525823358984 5.2042e-08 au
   Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      6149 days (16.84 yr)  
   first obs. used      2003-09-30  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 23:55:46  

Additional Information
 Earth MOID = 1.59671 au 
 Jupiter MOID = 1.74564 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457348.5 (2015-Nov-22.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693973708635941 4.8774e-08  
q 2.593037801740831 1.6274e-07 au
tp 2457105.539212606874
(2015-Mar-24.03921261)		 0.00011147 TDB
node 111.3765114902584 6.2314e-05 deg
peri 295.1803817027637 6.5962e-05 deg
i 5.815459149022177 5.8049e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      6149 days (16.84 yr)  
   first obs. used      2003-09-30  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 23:55:46  

Additional Information
 Jupiter MOID = 1.74564 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.378935345444183E-15 -7.726150606625672E-15 -1.438970903262492E-12 1.993471728320477E-14 -2.910925722954092E-13 -1.366760991353681E-15
q -7.726150606625672E-15 2.648470076111718E-14 6.012848906608115E-12 -6.319291125787875E-14 1.221773783603462E-12 7.575866697992824E-15
tp -1.438970903262492E-12 6.012848906608115E-12 1.242598776095298E-8 -2.860021936528613E-11 2.468431476458443E-9 6.749020039678994E-12
node 1.993471728320477E-14 -6.319291125787875E-14 -2.860021936528613E-11 3.883015377124477E-9 -3.868485529808488E-9 8.689584409024385E-11
peri -2.910925722954092E-13 1.221773783603462E-12 2.468431476458443E-9 -3.868485529808488E-9 4.350933480380678E-9 -8.515467810732779E-11
i -1.366760991353681E-15 7.575866697992824E-15 6.749020039678994E-12 8.689584409024385E-11 -8.515467810732779E-11 3.369662793441701E-11

[ 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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