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186656 (2003 WA104)
Classification: Main-belt Asteroid          SPK-ID: 2186656
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307848347013107 6.796e-08  
a 2.182994738559877 7.0759e-09 au
q 1.897492132523492 1.4868e-07 au
i 7.11348414324437 6.6976e-06 deg
node 68.59662861480041 3.8311e-05 deg
peri 326.1496272781171 4.0873e-05 deg
M 129.6517413743909 1.4658e-05 deg
tp 2458776.219263762329
(2019-Oct-19.71926376)
4.7397e-05 TDB
period 1178.087262279776
3.23
5.728e-06
1.568e-08
d
yr
n .3055800801235605 1.4858e-09 deg/d
Q 2.468497344596261 8.0014e-09 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      6390 days (17.49 yr)  
   first obs. used      2003-11-02  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55373  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:24  

Additional Information
 Earth MOID = .908421 au 
 Jupiter MOID = 2.92928 au 
 T_jup = 3.658 
[ 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 17.0   n/a MPO502998  

186656 (2003 WA104)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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