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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1230706441502477 6.5446e-08  
a 2.840217984456692 2.4718e-08 au
q 2.490670527582489 1.8735e-07 au
i 2.387727894796546 6.6945e-06 deg
node 38.19479917463744 0.00013282 deg
peri 351.7523733033271 0.00013503 deg
M 108.3507477852663 2.2245e-05 deg
tp 2458074.294541703697
(2017-Nov-16.79454170)
0.00010852 TDB
period 1748.340171699567
4.79
2.2823e-05
6.249e-08
d
yr
n .2059095854613024 2.688e-09 deg/d
Q 3.189765441330895 2.776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      9267 days (25.37 yr)  
   first obs. used      1993-10-22  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5868  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:04:36  

Additional Information
 Earth MOID = 1.49526 au 
 Jupiter MOID = 2.24223 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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