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46635 (1994 WK2)
Classification: Main-belt Asteroid          SPK-ID: 2046635
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2226027466768052 3.6705e-08  
a 2.736999757053178 1.2146e-08 au
q 2.127736093479392 1.0037e-07 au
i 9.79193181859922 4.2849e-06 deg
node 104.4945237624918 2.4252e-05 deg
peri 38.10526049438005 2.6095e-05 deg
M 90.43805730486355 8.822e-06 deg
tp 2458185.011230842232
(2018-Mar-07.51123084)
4.0114e-05 TDB
period 1653.905019129074
4.53
1.1009e-05
3.014e-08
d
yr
n .2176666712031454 1.4489e-09 deg/d
Q 3.346263420626964 1.485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1403  
   data-arc span      13589 days (37.20 yr)  
   first obs. used      1982-02-20  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48222  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:33:56  

Additional Information
 Earth MOID = 1.15093 au 
 Jupiter MOID = 1.73099 au 
 T_jup = 3.295 
[ 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 13.6   n/a MPO452808  
diameter diameter 7.907 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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