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46635 (1994 WK2)
Classification: Main-belt Asteroid          SPK-ID: 2046635
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 .2222175616624182 5.5449e-08  
a 2.735563619847901 2.1894e-08 au
q 2.127673342472882 1.4483e-07 au
i 9.787134145965203 6.092e-06 deg
node 104.5347217119061 3.4499e-05 deg
peri 37.83280469001436 3.7587e-05 deg
M 232.8610503562418 1.7769e-05 deg
tp 2458184.139631320042
(2018-Mar-06.63963132)
8.5896e-05 JED
period 1652.603453653987
4.52
1.984e-05
5.432e-08
d
yr
n .2178381021799407 2.6152e-09 deg/d
Q 3.343453897222921 2.6759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      12290 days (33.65 yr)  
   first obs. used      1982-02-20  
   last obs. used      2015-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50338  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 17:35:33  

Additional Information
 Earth MOID = 1.1491 au 
 Jupiter MOID = 1.73827 au 
 T_jup = 3.295 
[ 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 13.6 mag n/a MPO344651  

46635 (1994 WK2)          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 WK2 = 1982 DY = 1999 XP136 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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