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JPL Small-Body Database Browser
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160645 (1999 XW43)
Classification: Main-belt Asteroid          SPK-ID: 2160645
[ 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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052215659302198 7.2092e-08  
a 2.629902841288019 1.8603e-08 au
q 2.353180346083359 1.8616e-07 au
i 3.359719425487953 5.7605e-06 deg
node 278.3694315669877 0.00012212 deg
peri 103.187100993348 0.00012541 deg
M 320.4395667772764 2.9256e-05 deg
tp 2459171.685320940450
(2020-Nov-18.18532094)		 0.00012723 TDB
period 1557.786670120775
4.26		 1.6529e-05
4.525e-08		 d
yr
n .2310971116295976 2.4521e-09 deg/d
Q 2.906625336492679 2.0561e-08 au
   Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      1999-10-15  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55289  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 06:32:09  

Additional Information
 Earth MOID = 1.35881 au 
 Jupiter MOID = 2.54076 au 
 T_jup = 3.390 
[ 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 15.6   n/a MPO294161  
diameter diameter 5.354 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160645 (1999 XW43)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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