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146224 (2000 WD38)
Classification: Main-belt Asteroid          SPK-ID: 2146224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05046726971075518 5.3326e-08  
a 3.102334512634446 2.8246e-08 au
q 2.94576816005234 1.6142e-07 au
i 11.48937291430641 5.3699e-06 deg
node 91.72162932518506 2.7058e-05 deg
peri 343.7285103034891 5.81e-05 deg
M 201.9479916832744 5.3235e-05 deg
tp 2459876.751715410228
(2022-Oct-24.25171541)
0.00029935 TDB
period 1995.865923548026
5.46
2.7258e-05
7.463e-08
d
yr
n .1803728375501459 2.4634e-09 deg/d
Q 3.258900865216553 2.9671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      6797 days (18.61 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56256  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:35:40  

Additional Information
 Earth MOID = 1.96312 au 
 Jupiter MOID = 1.94329 au 
 T_jup = 3.189 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO257676  

146224 (2000 WD38)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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