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226482 (2003 ST197)
Classification: Main-belt Asteroid          SPK-ID: 2226482
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1821035521934062 5.1138e-08  
a 3.118497769057915 2.7924e-08 au
q 2.550608247805256 1.6595e-07 au
i 2.567825981517557 5.3575e-06 deg
node 112.8143951648837 0.00013026 deg
peri 270.8281714235366 0.00013144 deg
M 357.5702210838919 1.7678e-05 deg
tp 2459014.076281735306
(2020-Jun-13.57628174)
9.8856e-05 TDB
period 2011.484004700572
5.51
2.7017e-05
7.397e-08
d
yr
n .1789723404007826 2.4039e-09 deg/d
Q 3.686387290310574 3.3009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      5822 days (15.94 yr)  
   first obs. used      2003-09-19  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61288  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:31  

Additional Information
 Earth MOID = 1.55583 au 
 Jupiter MOID = 1.77186 au 
 T_jup = 3.189 
[ 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 15.7   n/a MPO454626  
diameter diameter 3.217 km 0.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226482 (2003 ST197)          Discovered 2003-Sep-21 by LONEOS at Anderson Mesa
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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