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JPL Small-Body Database Browser
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39105 (2000 WY18)
Classification: Main-belt Asteroid          SPK-ID: 2039105
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685149635282281 4.223e-08  
a 3.109797119871301 2.6967e-08 au
q 2.585749771636 1.3646e-07 au
i 18.75254686045621 5.0069e-06 deg
node 79.79922274805887 1.466e-05 deg
peri 191.5346580615813 2.0661e-05 deg
M 290.0382430824108 1.6469e-05 deg
tp 2458989.773391446591
(2020-May-20.27339145)
9.3562e-05 TDB
period 2003.071779427258
5.48
2.6055e-05
7.133e-08
d
yr
n .1797239638126874 2.3378e-09 deg/d
Q 3.633844468106602 3.1512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      8933 days (24.46 yr)  
   first obs. used      1994-11-26  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:06:27  

Additional Information
 Earth MOID = 1.57175 au 
 Jupiter MOID = 1.4753 au 
 T_jup = 3.116 
[ 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 MPO474248  
diameter diameter 5.987 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.215   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39105 (2000 WY18)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WY18 = 1994 WN4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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