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JPL Small-Body Database Browser
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173945 (2001 WY65)
Classification: Main-belt Asteroid          SPK-ID: 2173945
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04038450596281121 7.2802e-08  
a 3.044609959469708 3.116e-08 au
q 2.921654890407069 2.2455e-07 au
i 1.150455357247097 7.0296e-06 deg
node 293.0446088081146 0.00039834 deg
peri 208.5054917530458 0.00041532 deg
M 23.20769605155378 0.00011424 deg
tp 2458475.409177076351
(2018-Dec-22.90917708)
0.0006157 TDB
period 1940.420804912194
5.31
2.9789e-05
8.156e-08
d
yr
n .1855267677447369 2.8482e-09 deg/d
Q 3.167565028532346 3.2418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      6340 days (17.36 yr)  
   first obs. used      2001-11-20  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67517  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:50:42  

Additional Information
 Earth MOID = 1.93471 au 
 Jupiter MOID = 1.82798 au 
 T_jup = 3.237 
[ 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 16.1   n/a MPO280925  
diameter diameter 4.771 km 1.566 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.026   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173945 (2001 WY65)          Discovered 2001-Nov-20 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 WY65 = 2005 NG46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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