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(2019 WC5)
Classification: Apollo [NEO]          SPK-ID: 3893730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .571340419220993 2.7955e-05  
a 2.073769286478199 0.00012854 au
q .8889410729741252 2.8896e-06 au
i 9.553086612455857 0.00031439 deg
node 112.3557058770876 7.1575e-05 deg
peri 42.33279632419734 7.4638e-05 deg
M 35.94785149635415 0.0032231 deg
tp 2458891.579526125153
(2020-Feb-12.07952612)
0.00036148 TDB
period 1090.784816414461
2.99
0.10142
0.0002777
d
yr
n .3300375973176476 3.0685e-05 deg/d
Q 3.258597499982272 0.00020198 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      44 days  
   first obs. used      2019-11-26  
   last obs. used      2020-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .43981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-11 04:52:24  

Additional Information
 Earth MOID = .000670477 au 
 Jupiter MOID = 1.78564 au 
 T_jup = 3.531 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458824.5 (2019-Dec-07.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .572724095090376 2.7847e-05  
q .8893517431632154 2.9357e-06 au
tp 2458891.488442951738
(2020-Feb-11.98844295)
0.00034841 TDB
node 112.3703629890644 7.0007e-05 deg
peri 42.18825132853372 6.9135e-05 deg
i 9.537266545774244 0.00031557 deg
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      44 days  
   first obs. used      2019-11-26  
   last obs. used      2020-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .43981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-11 04:52:24  

Additional Information
 Jupiter MOID = 1.78564 au 
 T_jup = 3.531 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.754795302713272E-10 -8.132853860859549E-11 -9.685297830035875E-9 1.735382458231737E-9 -2.669253245113864E-10 8.784136947211391E-9
q -8.132853860859549E-11 8.61837296020066E-12 1.010061433556099E-9 -1.741252318678848E-10 8.08340605657709E-12 -9.232131073303389E-10
tp -9.685297830035875E-9 1.010061433556099E-9 1.213890262235227E-7 -2.210685059513677E-8 4.601325553964661E-9 -1.095819191067947E-7
node 1.735382458231737E-9 -1.741252318678848E-10 -2.210685059513677E-8 4.900989835916242E-9 -2.599998515422125E-9 1.941070510481421E-8
peri -2.669253245113864E-10 8.08340605657709E-12 4.601325553964661E-9 -2.599998515422125E-9 4.779662913112932E-9 -2.51026617147433E-9
i 8.784136947211391E-9 -9.232131073303389E-10 -1.095819191067947E-7 1.941070510481421E-8 -2.51026617147433E-9 9.958706155493058E-8

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 22.5   .35273 E2020-AB4 autocmod 2.8

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