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JPL Small-Body Database Browser
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(2019 WE)
Classification: Apollo [NEO]          SPK-ID: 3893231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4648236640313824 0.0002431  
a 1.740524923103429 0.00074927 au
q .9314877510085532 2.2133e-05 au
i .4315817307223965 0.00017891 deg
node 240.144872268688 0.00043254 deg
peri 214.6890729829591 0.00046036 deg
M 258.4474981646175 0.066595 deg
tp 2458837.095741183770
(2019-Dec-19.59574118)
0.0023786 TDB
period 838.7234709808124
2.30
0.54159
0.001483
d
yr
n .4292237101449087 0.00027716 deg/d
Q 2.549562095198306 0.0010976 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      4 days  
   first obs. used      2019-11-17  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .50403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-30 06:13:49  

Additional Information
 Earth MOID = 6.70592E-5 au 
 Jupiter MOID = 2.66167 au 
 T_jup = 4.014 
[ 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 26.772   .31418 6 autocmod 2.8

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