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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4607353852188233 0.00024592  
a 1.727334631949608 0.00075183 au
q .9314904448964908 1.9353e-05 au
i .4353411716407068 0.00017392 deg
node 239.98046552602 0.0006729 deg
peri 215.3303276703696 0.00057093 deg
M 242.80349007704 0.15696 deg
tp 2459666.445023443329
(2022-Mar-27.94502344)
0.53777 TDB
period 829.2073586788586
2.27
0.54137
0.001482
d
yr
n .4341495480377465 0.00028345 deg/d
Q 2.523178819002724 0.0010982 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .50354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:02  

Additional Information
 Earth MOID = 9.04467E-6 au 
 Jupiter MOID = 2.68567 au 
 T_jup = 4.035 
[ 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 26.8   .31418 E2019-WI7 autocmod 2.8

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