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226471 (2003 SK173)
Classification: Main-belt Asteroid          SPK-ID: 2226471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334990120543856 6.6072e-08  
a 3.139658525711197 3.6494e-08 au
q 2.720517214340623 2.0952e-07 au
i 4.820438494920629 9.1039e-06 deg
node 343.4919833458293 5.5114e-05 deg
peri 40.31702864570929 6.128e-05 deg
M 338.0994891590481 2.6241e-05 deg
tp 2459124.115746349788
(2020-Oct-01.61574635)
0.00014847 TDB
period 2031.992267628272
5.56
3.5428e-05
9.7e-08
d
yr
n .1771660285007824 3.0889e-09 deg/d
Q 3.55879983708177 4.1365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6187 days (16.94 yr)  
   first obs. used      2003-08-21  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60309  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 16:01:24  

Additional Information
 Earth MOID = 1.72604 au 
 Jupiter MOID = 1.92858 au 
 T_jup = 3.192 
[ 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 15.4   n/a MPO450050  
diameter diameter 5.138 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226471 (2003 SK173)          Discovered 2003-Sep-18 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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