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(2017 WN28)
Classification: Apollo [NEO, PHA]          SPK-ID: 3790058
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .414198733032884 9.007e-08  
a 1.723207790774158 1.0962e-07 au
q 1.009457307083107 2.0288e-07 au
i 10.0744079815914 8.6064e-06 deg
node 327.2172020697867 4.9251e-05 deg
peri 11.37446601318853 7.765e-05 deg
M 98.75851981960696 4.2447e-05 deg
tp 2458773.838910266663
(2019-Oct-17.33891027)
0.00011176 TDB
period 826.2374978184043
2.26
7.8842e-05
2.159e-07
d
yr
n .4357100724071992 4.1577e-08 deg/d
Q 2.436958274465209 1.5503e-07 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      1915 days (5.24 yr)  
   first obs. used      2014-02-26  
   last obs. used      2019-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .5799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-02 05:52:40  

Additional Information
 Earth MOID = .00388232 au 
 Jupiter MOID = 2.96831 au 
 T_jup = 4.051 
[ 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 19.8   n/a MPO477900  

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