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332823 (2009 WP263)
Classification: Main-belt Asteroid          SPK-ID: 2332823
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04825371636019381 7.3784e-08  
a 2.96704611076882 3.7563e-08 au
q 2.823875109312165 2.3082e-07 au
i 13.25106238575914 7.96e-06 deg
node 75.00608114430733 1.8758e-05 deg
peri 341.6553868109562 5.619e-05 deg
M 40.94973520555212 4.955e-05 deg
tp 2458788.159191069570
(2019-Oct-31.65919107)
0.00025816 TDB
period 1866.744457106779
5.11
3.545e-05
9.706e-08
d
yr
n .1928491061695477 3.6622e-09 deg/d
Q 3.110217112225475 3.9376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      5074 days (13.89 yr)  
   first obs. used      2006-03-25  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53782  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:13:29  

Additional Information
 Earth MOID = 1.83962 au 
 Jupiter MOID = 2.17356 au 
 T_jup = 3.222 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457766.5 (2017-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04701747143552042 7.3761e-08  
q 2.827828107068008 2.3065e-07 au
tp 2456924.394032535701
(2014-Sep-23.89403254)
0.00027863 TDB
node 75.01294678415765 1.8768e-05 deg
peri 342.1270475639864 5.7486e-05 deg
i 13.2472833067611 7.9579e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      5074 days (13.89 yr)  
   first obs. used      2006-03-25  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53782  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:13:29  

Additional Information
 Jupiter MOID = 2.17356 au 
 T_jup = 3.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.440740727837197E-15 -1.6817986446988E-14 3.849247956696062E-12 -4.887893909236151E-15 6.437979004066723E-13 -4.492619584152352E-15
q -1.6817986446988E-14 5.319768243929447E-14 -1.580409778154444E-11 1.324833842015725E-14 -2.663766903647404E-12 1.78704223852819E-14
tp 3.849247956696062E-12 -1.580409778154444E-11 7.763203306646203E-8 6.931931176315207E-12 1.512732024598763E-8 -3.969146443927907E-11
node -4.887893909236151E-15 1.324833842015725E-14 6.931931176315207E-12 3.522220596517914E-10 -3.410965251751043E-10 -3.878471173718384E-11
peri 6.437979004066723E-13 -2.663766903647404E-12 1.512732024598763E-8 -3.410965251751043E-10 3.304620642599049E-9 3.033428234891222E-11
i -4.492619584152352E-15 1.78704223852819E-14 -3.969146443927907E-11 -3.878471173718384E-11 3.033428234891222E-11 6.332849226748221E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO418709  
diameter diameter 3.954 km 0.602 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

332823 (2009 WP263)          Discovered 2009-Nov-21 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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