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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726488523043044 4.7615e-08  
a 3.118176269991779 2.8912e-08 au
q 2.579826715695182 1.5032e-07 au
i 5.829527479877277 4.8891e-06 deg
node 110.7924679647783 5.6902e-05 deg
peri 298.0854148716181 5.9577e-05 deg
M 335.6101596268317 1.5259e-05 deg
tp 2459136.756075876060
(2020-Oct-14.25607588)
8.5431e-05 TDB
period 2011.172954184029
5.51
2.7971e-05
7.658e-08
d
yr
n .1790000204860843 2.4895e-09 deg/d
Q 3.656525824288376 3.3903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      6255 days (17.13 yr)  
   first obs. used      2003-09-30  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:18:14  

Additional Information
 Earth MOID = 1.59671 au 
 Jupiter MOID = 1.74564 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457679.5 (2016-Oct-18.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694866135992103 4.709e-08  
q 2.595726862244943 1.4713e-07 au
tp 2457106.997431580029
(2015-Mar-25.49743158)
9.1685e-05 TDB
node 111.3465178629244 5.7183e-05 deg
peri 295.5926969036676 6.0063e-05 deg
i 5.811709140518444 4.873e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      6255 days (17.13 yr)  
   first obs. used      2003-09-30  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:18:14  

Additional Information
 Jupiter MOID = 1.74564 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.217438783018964E-15 -6.833822132222622E-15 -6.095069529901381E-13 -1.684961970118628E-15 -1.161322800324595E-13 -3.442520645591432E-15
q -6.833822132222622E-15 2.164864130795599E-14 1.574451846648444E-12 9.845238146325832E-15 3.339301182487114E-13 1.181844508726236E-14
tp -6.095069529901381E-13 1.574451846648444E-12 8.406161541196446E-9 -2.461285907036701E-11 1.727757505755637E-9 2.968376047085293E-12
node -1.684961970118628E-15 9.845238146325832E-15 -2.461285907036701E-11 3.269891568324959E-9 -3.257797496756557E-9 9.262918818381692E-12
peri -1.161322800324595E-13 3.339301182487114E-13 1.727757505755637E-9 -3.257797496756557E-9 3.60753637974468E-9 -8.645007767566986E-12
i -3.442520645591432E-15 1.181844508726236E-14 2.968376047085293E-12 9.262918818381692E-12 -8.645007767566986E-12 2.374612449752432E-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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