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JPL Small-Body Database Browser
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172039 (2001 WZ58)
Classification: Main-belt Asteroid          SPK-ID: 2172039
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2032605559713007 4.4784e-08  
a 3.171778593626549 3.8009e-08 au
q 2.527081113268147 1.4355e-07 au
i 8.34714445189398 7.0102e-06 deg
node 32.59997187243839 3.3452e-05 deg
peri 117.41504183 3.7603e-05 deg
M 18.33039852576534 1.9853e-05 deg
tp 2458895.443693315083
(2020-Feb-15.94369332)
0.00011261 TDB
period 2063.254126930714
5.65
3.7088e-05
1.015e-07
d
yr
n .1744816575433362 3.1364e-09 deg/d
Q 3.816476073984952 4.5735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      7540 days (20.64 yr)  
   first obs. used      1998-04-22  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52851  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:49:36  

Additional Information
 Earth MOID = 1.551 au 
 Jupiter MOID = 1.25463 au 
 T_jup = 3.153 
[ 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 15.0   n/a MPO422655  
diameter diameter 6.306 km 0.650 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172039 (2001 WZ58)          Discovered 2001-Nov-19 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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