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46636 (1994 WD3)
Classification: Main-belt Asteroid          SPK-ID: 2046636
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1682254369350387 8.4786e-08  
a 2.630534700840635 2.472e-08 au
q 2.188011851418938 2.2994e-07 au
i 13.5843088339646 9.2721e-06 deg
node 72.69362347827696 2.7574e-05 deg
peri 317.7856547235555 3.4229e-05 deg
M 52.4222734105745 1.8233e-05 deg
tp 2457373.577358641165
(2015-Dec-17.07735864)
7.8448e-05 JED
period 1558.348113775273
4.27
2.1966e-05
6.014e-08
d
yr
n .2310138516662106 3.2563e-09 deg/d
Q 3.073057550262333 2.8878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      7740 days (21.19 yr)  
   first obs. used      1994-11-27  
   last obs. used      2016-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59703  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 22:51:33  

Additional Information
 Earth MOID = 1.21333 au 
 Jupiter MOID = 2.38059 au 
 T_jup = 3.341 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO347847  

46636 (1994 WD3)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 WD3 = 2001 KX20 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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