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201780 (2003 WJ105)
Classification: Main-belt Asteroid          SPK-ID: 2201780
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 .1231792677137086 6.2454e-08  
a 2.839644322014258 2.189e-08 au
q 2.489859013861151 1.8167e-07 au
i 2.387921557785119 6.6536e-06 deg
node 38.19040139808196 0.000106 deg
peri 351.6163574365651 0.00010741 deg
M 190.8951276523108 1.8385e-05 deg
tp 2459821.509091346134
(2022-Aug-30.00909135)
9.2944e-05 TDB
period 1747.810508244337
4.79
2.021e-05
5.533e-08
d
yr
n .2059719851218982 2.3816e-09 deg/d
Q 3.189429630167365 2.4586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      9741 days (26.67 yr)  
   first obs. used      1993-10-22  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:03:46  

Additional Information
 Earth MOID = 1.4951 au 
 Jupiter MOID = 2.2447 au 
 T_jup = 3.297 
[ 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 15.9   n/a MPO251532  

201780 (2003 WJ105)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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