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JPL Small-Body Database Browser
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390780 (2003 WM93)
Classification: Main-belt Asteroid          SPK-ID: 2390780
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1254068597447563 1.1776e-07  
a 2.722449742107981 3.6367e-08 au
q 2.381035869137298 3.1334e-07 au
i 6.093881941946027 8.0181e-06 deg
node 263.3688717763284 7.052e-05 deg
peri 146.8724294883125 8.0252e-05 deg
M 161.14310737991 3.9299e-05 deg
tp 2457866.074974630393
(2017-Apr-22.57497463)
0.00016996 TDB
period 1640.734210925492
4.49
3.2876e-05
9.001e-08
d
yr
n .2194139657738557 4.3964e-09 deg/d
Q 3.063863615078665 4.0927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      5642 days (15.45 yr)  
   first obs. used      2003-11-19  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:04:20  

Additional Information
 Earth MOID = 1.39422 au 
 Jupiter MOID = 2.28293 au 
 T_jup = 3.338 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO472016  

390780 (2003 WM93)          Discovered 2003-Nov-19 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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