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39634 (1994 WM2)
Classification: Main-belt Asteroid          SPK-ID: 2039634
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2037156579840723 4.6596e-08  
a 3.114561050188487 2.3955e-08 au
q 2.480076196517776 1.4506e-07 au
i 18.38877255004849 5.2843e-06 deg
node 85.13080358335536 1.5448e-05 deg
peri 302.0524874560609 1.9517e-05 deg
M 188.013808074379 1.4521e-05 deg
tp 2459559.646130087788
(2021-Dec-11.14613009)
8.7714e-05 TDB
period 2007.676331254155
5.50
2.3163e-05
6.342e-08
d
yr
n .1793117717212491 2.0687e-09 deg/d
Q 3.749045903859197 2.8835e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      8930 days (24.45 yr)  
   first obs. used      1994-11-28  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55882  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:10:27  

Additional Information
 Earth MOID = 1.53913 au 
 Jupiter MOID = 1.84013 au 
 T_jup = 3.108 
[ 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 13.7   n/a MPO436048  
diameter diameter 5.641 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.221   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39634 (1994 WM2)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 WM2 = 1999 SU12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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