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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457273.5 (2015-Sep-08.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8435406046548387 0.0013128  
q 42.69906187616839 0.010307 au
tp 2451274.281014799853
(1999-Apr-05.78101480)
9.7116 TDB
node 114.9620905728745 0.0033909 deg
peri 235.2728981077116 0.056967 deg
i 24.16268355725805 0.00019602 deg
  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
 Jupiter MOID = 37.9551 au 
 T_jup = 7.128 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.723449958866782E-6 -4.678260258686119E-6 -.008490865394614057 1.515507590282969E-6 -5.322203910928441E-5 1.282768800917344E-7
q -4.678260258686119E-6 .0001062349485639283 .09288124964395561 -4.810256949302882E-6 .0005296832477045035 -1.750463047358713E-7
tp -.008490865394614057 .09288124964395561 94.31423998474192 -.008021879560699427 .5513292819824784 -.0005063827290485967
node 1.515507590282969E-6 -4.810256949302882E-6 -.008021879560699427 1.149850593897004E-5 -5.909250972620018E-5 6.214269645621234E-7
peri -5.322203910928441E-5 .0005296832477045035 .5513292819824784 -5.909250972620018E-5 .003245182464732973 -3.729345430179924E-6
i 1.282768800917344E-7 -1.750463047358713E-7 -.0005063827290485967 6.214269645621234E-7 -3.729345430179924E-6 3.842555004446297E-8

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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