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JPL Small-Body Database Browser
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(2011 WS74)
Classification: Aten [NEO]          SPK-ID: 3589591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .353402478781447 5.1183e-05  
a .9772882738566034 9.3396e-05 au
q .6319121753916381 1.0403e-05 au
i 13.68732170789109 0.0018555 deg
node 67.51434162690951 0.00020622 deg
peri 118.2900851914545 0.0073765 deg
M 227.2715907888487 0.13468 deg
tp 2459130.604958096293
(2020-Oct-08.10495810)
0.15067 TDB
period 352.8843989997166
0.97
0.050586
0.0001385
d
yr
n 1.020164113291642 0.00014624 deg/d
Q 1.322664372321569 0.0001264 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   # delay obs. used      3  
   # Doppler obs. used      2  
   data-arc span      11 days  
   first obs. used      2011-11-29  
   last obs. used      2011-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .46761  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:51:49  

Additional Information
 Earth MOID = .0221108 au 
 Jupiter MOID = 3.66252 au 
 T_jup = 6.112 
[ 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 23.9   n/a MPO227507  

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