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JPL Small-Body Database Browser
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(2019 WW)
Classification: Apollo [NEO]          SPK-ID: 3893382
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3303716660184162 0.00073331  
a 1.029805179980647 0.00033777 au
q .6895867269960457 0.00052899 au
i 5.012151262716777 0.013478 deg
node 240.8225086292489 0.0020573 deg
peri 293.8610048356398 0.0047664 deg
M 103.045587677466 0.0040438 deg
tp 2458891.240820561697
(2020-Feb-11.74082056)
0.049468 TDB
period 381.7078002495628
1.05
0.1878
0.0005142
d
yr
n .9431297965737926 0.00046402 deg/d
Q 1.370023632965248 0.00044936 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      12 days  
   first obs. used      2019-11-19  
   last obs. used      2019-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .2344  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-04 05:11:45  

Additional Information
 Earth MOID = .0171395 au 
 Jupiter MOID = 3.60178 au 
 T_jup = 5.889 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458811.5 (2019-Nov-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3302934761251146 0.00073327  
q .689064531846018 0.00052583 au
tp 2458891.312778100691
(2020-Feb-11.81277810)
0.050111 TDB
node 240.9210777749877 0.0013429 deg
peri 293.9092046116539 0.0044032 deg
i 5.049267096767942 0.013313 deg
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      12 days  
   first obs. used      2019-11-19  
   last obs. used      2019-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .2344  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-04 05:11:45  

Additional Information
 Jupiter MOID = 3.60178 au 
 T_jup = 5.889 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.376814698887857E-7 -3.855707881112231E-7 -3.674454338372649E-5 9.844336913251046E-7 3.223645131939059E-6 9.762049962916636E-6
q -3.855707881112231E-7 2.764931452312917E-7 2.634936033695473E-5 -7.05935034470909E-7 -2.311881901691672E-6 -7.000388928352017E-6
tp -3.674454338372649E-5 2.634936033695473E-5 .002511099669808528 -6.727536202784829E-5 -.0002202670299784457 -.0006671198544869424
node 9.844336913251046E-7 -7.05935034470909E-7 -6.727536202784829E-5 1.803339552741755E-6 5.900750923843079E-6 1.7873724138055E-5
peri 3.223645131939059E-6 -2.311881901691672E-6 -.0002202670299784457 5.900750923843079E-6 1.938827710515065E-5 5.853893771114365E-5
i 9.762049962916636E-6 -7.000388928352017E-6 -.0006671198544869424 1.7873724138055E-5 5.853893771114365E-5 .0001772429380793188

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 24.6   .39268 E2020A55 autocmod 2.8

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