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359031 (2008 WF32)
Classification: Main-belt Asteroid          SPK-ID: 2359031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041266563054272 2.9251e-07  
a 2.547711284587475 5.5745e-08 au
q 2.027655498833029 7.6903e-07 au
i 29.62152196675309 3.5363e-05 deg
node 266.185826418851 1.8222e-05 deg
peri 150.5310782915254 0.00010278 deg
M 321.6761873343208 7.4799e-05 deg
tp 2459158.621145077358
(2020-Nov-05.12114508)
0.00030583 TDB
period 1485.332702265988
4.07
4.875e-05
1.335e-07
d
yr
n .2423699413948085 7.9548e-09 deg/d
Q 3.067767070341921 6.7125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      3047 days (8.34 yr)  
   first obs. used      2008-11-08  
   last obs. used      2017-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60358  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:21:07  

Additional Information
 Earth MOID = 1.06875 au 
 Jupiter MOID = 2.29286 au 
 T_jup = 3.233 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457186.5 (2015-Jun-13.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050351304846933 2.8773e-07  
q 2.026176739774634 7.5455e-07 au
tp 2457669.020778876180
(2016-Oct-07.52077888)
0.00032877 TDB
node 266.2528729638387 1.8232e-05 deg
peri 149.8355620252717 0.00010212 deg
i 29.58803029513954 3.5373e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      3047 days (8.34 yr)  
   first obs. used      2008-11-08  
   last obs. used      2017-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60358  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:21:07  

Additional Information
 Jupiter MOID = 2.29286 au 
 T_jup = 3.233 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.278813756765918E-14 -2.168424679345448E-13 7.955729044467374E-11 2.896721905003415E-13 2.290098880844409E-11 -4.384176082039879E-12
q -2.168424679345448E-13 5.693434025751293E-13 -2.1099528303047E-10 -7.66136010737916E-13 -6.100401669950715E-11 1.156916030189585E-11
tp 7.955729044467374E-11 -2.1099528303047E-10 1.080928170179856E-7 3.764115279723592E-10 3.294465292134179E-8 -4.906020985788523E-9
node 2.896721905003415E-13 -7.66136010737916E-13 3.764115279723592E-10 3.324159802249147E-10 -1.690585347991756E-10 2.584496148862416E-10
peri 2.290098880844409E-11 -6.100401669950715E-11 3.294465292134179E-8 -1.690585347991756E-10 1.042886622768941E-8 -1.699955215094686E-9
i -4.384176082039879E-12 1.156916030189585E-11 -4.906020985788523E-9 2.584496148862416E-10 -1.699955215094686E-9 1.251241662903238E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO455590  
diameter diameter 4.879 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

359031 (2008 WF32)          Discovered 2008-Nov-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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