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(2019 WH)
Classification: Apollo [NEO]          SPK-ID: 3893265
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .424098638373847 9.2148e-05  
a 1.524116955649345 0.00021341 au
q .8777410300359648 1.7544e-05 au
i 9.272026566938395 0.00083802 deg
node 56.59122506655891 2.8667e-05 deg
peri 51.12500563489156 0.00016734 deg
M 81.06335599200314 0.016109 deg
tp 2458845.743839123685
(2019-Dec-28.24383912)
0.0017499 TDB
period 687.2675974699247
1.88
0.14435
0.0003952
d
yr
n .5238134335523563 0.00011002 deg/d
Q 2.170492881262725 0.00030391 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      3 days  
   first obs. used      2019-11-15  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38369  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-19 04:51:37  

Additional Information
 Earth MOID = .00030104 au 
 Jupiter MOID = 3.01076 au 
 T_jup = 4.381 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.2   .5187 E2019W51 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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