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JPL Small-Body Database Browser
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(2019 WF)
Classification: Apollo [NEO]          SPK-ID: 3893232
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5061764857605389 0.00035518  
a 1.728642918631014 0.001115 au
q .8536445209435263 6.3525e-05 au
i 5.176943221607823 0.003001 deg
node 56.47730585453315 1.7596e-05 deg
peri 55.12302650184636 0.000871 deg
M 253.1472858076425 0.10631 deg
tp 2458846.899272661366
(2019-Dec-29.39927266)
0.0067528 TDB
period 830.1496019877079
2.27
0.80319
0.002199
d
yr
n .4336567760052127 0.00041957 deg/d
Q 2.603641316318502 0.0016794 au
  Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      2 days  
   first obs. used      2019-11-17  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36185  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-20 08:42:50  

Additional Information
 Earth MOID = .00256235 au 
 Jupiter MOID = 2.55227 au 
 T_jup = 4.000 
[ 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 27.033   .43707 4 autocmod 2.8

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