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243855 (2000 WA73)
Classification: Main-belt Asteroid          SPK-ID: 2243855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2868027334959166 5.8157e-08  
a 3.105822436082533 2.4372e-08 au
q 2.215064071661116 1.8451e-07 au
i 12.15814955645389 4.9824e-06 deg
node 254.8067723400634 3.1855e-05 deg
peri 81.43066711124042 3.3056e-05 deg
M 245.9216012866207 9.2574e-06 deg
tp 2459634.025757657231
(2022-Feb-23.52575766)
5.583e-05 TDB
period 1999.232767367505
5.47
2.3532e-05
6.443e-08
d
yr
n .1800690774361561 2.1195e-09 deg/d
Q 3.996580800503951 3.1362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      1999-06-15  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56865  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:53:55  

Additional Information
 Earth MOID = 1.24498 au 
 Jupiter MOID = 1.69114 au 
 T_jup = 3.122 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457303.5 (2015-Oct-08.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2855937165531462 5.8214e-08  
q 2.220225554190103 1.8472e-07 au
tp 2457634.311438898027
(2016-Sep-02.81143890)
4.5079e-05 TDB
node 254.816030513499 3.1843e-05 deg
peri 81.56706624503715 3.3059e-05 deg
i 12.15591309122076 4.9819e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      1999-06-15  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56865  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:53:55  

Additional Information
 Jupiter MOID = 1.69114 au 
 T_jup = 3.122 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.388857806849923E-15 -1.070702163496866E-14 5.322225415584616E-13 3.751964916376847E-14 1.466600899561843E-13 -1.90660651400604E-14
q -1.070702163496866E-14 3.412241334112469E-14 -1.445651668335224E-12 -1.134159914415664E-13 -4.406995202110816E-13 6.125984817954504E-14
tp 5.322225415584616E-13 -1.445651668335224E-12 2.032127206317261E-9 6.047437871381407E-12 4.598027400798617E-10 -1.82276526603234E-12
node 3.751964916376847E-14 -1.134159914415664E-13 6.047437871381407E-12 1.013971842770979E-9 -9.896502713224159E-10 -2.485449396996682E-11
peri 1.466600899561843E-13 -4.406995202110816E-13 4.598027400798617E-10 -9.896502713224159E-10 1.092876491352518E-9 2.345615023354469E-11
i -1.90660651400604E-14 6.125984817954504E-14 -1.82276526603234E-12 -2.485449396996682E-11 2.345615023354469E-11 2.481957400167327E-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 15.1   n/a MPO433597  
diameter diameter 6.450 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243855 (2000 WA73)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2000 WA73 = 2005 QY13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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