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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1686538551017639 1.2752e-07  
a 2.63094103760771 2.9737e-08 AU
q 2.187222689069735 3.3081e-07 AU
i 13.58522686604313 1.1635e-05 deg
node 72.70449197029293 3.7284e-05 deg
peri 317.8337996488586 4.7982e-05 deg
M 227.6233414223537 2.4973e-05 deg
tp 2457373.657544429571
(2015-Dec-17.15754443)
0.00010925 JED
period 1558.70920305499
4.27
2.6427e-05
7.235e-08
d
yr
n .2309603351891543 3.9158e-09 deg/d
Q 3.074659386145686 3.4753e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      7031 days (19.25 yr)  
   first obs. used      1994-11-27  
   last obs. used      2014-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .67691  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:47:24  

Additional Information
 Earth MOID = 1.21276 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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