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(2014 WB556)
Classification: TransNeptunian Object          SPK-ID: 3989636
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ 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 .8519584459694014 0.0013182  
a 288.1000235457779 2.5421 au
q 42.65077520196901 0.010317 au
i 24.15711913123453 0.00019211 deg
node 114.7461614934921 0.0033985 deg
peri 235.2913401249229 0.056364 deg
M 1.560426450582746 0.019469 deg
tp 2451258.482117180294
(1999-Mar-20.98211718)
9.5308 TDB
period 1786131.244298143
4890.16
23640
64.72
d
yr
n .000201552938032536 2.6676e-06 deg/d
Q 533.5492718895867 4.7078 au
  Orbit Determination Parameters
   # obs. used (total)      8  
   data-arc span      2160 days (5.91 yr)  
   first obs. used      2014-11-21  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .06873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-14 22:36:55  

Additional Information
 Earth MOID = 41.7041 au 
 Jupiter MOID = 37.9551 au 
 T_jup = 7.128 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.3357   .27011 2 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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