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(2016 WF9)
Classification: Apollo [NEO, PHA]          SPK-ID: 3764848
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6628666273871215 2.3642e-06  
a 2.861344678901896 1.7693e-05 au
q .9646547818061101 8.0309e-07 au
i 15.14258184297378 3.3491e-05 deg
node 125.1909068456596 5.9715e-05 deg
peri 342.6330186455315 2.8182e-05 deg
M 246.4979612864409 0.0023308 deg
tp 2459557.884455565729
(2021-Dec-09.38445557)
0.016616 TDB
period 1767.88369863608
4.84
0.016397
4.489e-05
d
yr
n .2036333047687128 1.8887e-06 deg/d
Q 4.758034575997683 2.9421e-05 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      198 days  
   first obs. used      2016-10-10  
   last obs. used      2017-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .54103  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Mar-20 06:58:14  

Additional Information
 Earth MOID = .00181611 au 
 Jupiter MOID = .520783 au 
 T_jup = 2.890 
[ 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 20.3   n/a E2017F30  
diameter diameter 1.082 km 0.382 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.013   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

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