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JPL Small-Body Database Browser
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523918 (1997 WF13)
Classification: Main-belt Asteroid          SPK-ID: 2523918
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843083301399076 1.3156e-07  
a 3.072566664945962 8.4857e-08 au
q 2.506267033686226 3.6264e-07 au
i 9.602756836539463 1.7339e-05 deg
node 223.5289578662456 0.00010519 deg
peri 235.6835880235461 0.00020425 deg
M 321.8204581072922 0.00016284 deg
tp 2458809.130890087322
(2019-Nov-21.63089009)		 0.00089739 TDB
period 1967.208528653962
5.39		 8.1495e-05
2.231e-07		 d
yr
n .1830004266229597 7.5811e-09 deg/d
Q 3.638866296205697 1.005e-07 au
   Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      1997-11-23  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58718  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:54  

Additional Information
 Earth MOID = 1.5379 au 
 Jupiter MOID = 1.68092 au 
 T_jup = 3.183 
[ 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 16.5   n/a MPO429599  
diameter diameter 3.499 km 0.527 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

523918 (1997 WF13)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

[ show close-approach data ]
Alternate Designations
 1997 WF13 = 2010 AD118 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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