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172608 (2003 WA86)
Classification: Main-belt Asteroid          SPK-ID: 2172608
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899993269547525 8.5041e-08  
a 2.55929759746257 1.8404e-08 au
q 2.073032776467767 2.2514e-07 au
i 12.34785851688771 5.8384e-06 deg
node 322.3112115494869 2.4031e-05 deg
peri 43.87130607525697 2.6474e-05 deg
M 58.72085108462673 9.0948e-06 deg
tp 2458756.567621151255
(2019-Sep-30.06762115)
3.8018e-05 TDB
period 1495.476560089206
4.09
1.6131e-05
4.416e-08
d
yr
n .2407259395483442 2.5966e-09 deg/d
Q 3.045562418457373 2.1901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      950  
   data-arc span      13600 days (37.23 yr)  
   first obs. used      1982-09-12  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46615  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:00:10  

Additional Information
 Earth MOID = 1.08767 au 
 Jupiter MOID = 2.46479 au 
 T_jup = 3.378 
[ 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 MPO502962  
diameter diameter 3.715 km 0.877 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.185   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172608 (2003 WA86)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2003 WA86 = 2001 FQ82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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