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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685371983282622 9.3137e-08  
a 2.631198376308778 2.8263e-08 AU
q 2.187743573719824 2.4739e-07 AU
i 13.58402853655936 1.0847e-05 deg
node 72.70332371624299 2.8448e-05 deg
peri 317.8116337341646 3.6355e-05 deg
M 273.8269000909801 2.2291e-05 deg
tp 2457373.662531766891
(2015-Dec-17.16253177)
9.8627e-05 JED
period 1558.937900318231
4.27
2.5118e-05
6.877e-08
d
yr
n .2309264531489754 3.7207e-09 deg/d
Q 3.074653178897732 3.3026e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      1994-11-27  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .6342  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:30:53  

Additional Information
 Earth MOID = 1.21421 AU 
 T_jup = 3.340 
[ 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 14.7 mag n/a MPO263731  

46636 (1994 WD3)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro (399)
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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