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JPL Small-Body Database Browser
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(2019 WK2)
Classification: Apollo [NEO]          SPK-ID: 3893458
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .615356712881422 0.0006188  
a 2.161620524871022 0.0031939 au
q .8314528241893757 0.00011192 au
i 6.011878687393376 0.0050073 deg
node 237.2516507517543 0.0027768 deg
peri 128.7989395569012 0.0069286 deg
M 306.2284101008276 0.11624 deg
tp 2458773.887580712462
(2019-Oct-17.38758071)
0.0095864 TDB
period 1160.827291391789
3.18
2.5728
0.007044
d
yr
n .3101236529065175 0.00068734 deg/d
Q 3.491788225552668 0.0051593 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      1 day  
   first obs. used      2019-11-25  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .29848  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 11:32:31  

Additional Information
 Earth MOID = .00511853 au 
 Jupiter MOID = 2.01792 au 
 T_jup = 3.418 
[ 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 25.507   .208 3 autocmod 2.8

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