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201578 (2003 ST71)
Classification: Main-belt Asteroid          SPK-ID: 2201578
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2127825218872467 4.1329e-08  
a 2.808376779227147 2.0588e-08 au
q 2.210803285733611 1.1147e-07 au
i 7.238476432285013 4.7969e-06 deg
node 227.8942810941709 3.9405e-05 deg
peri 192.2590866941301 4.1446e-05 deg
M 151.2418712852961 1.5273e-05 deg
tp 2458278.310735175186
(2018-Jun-08.81073518)
6.8349e-05 TDB
period 1719.022206796838
4.71
1.8903e-05
5.175e-08
d
yr
n .2094213783723077 2.3029e-09 deg/d
Q 3.405950272720683 2.4969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      7467 days (20.44 yr)  
   first obs. used      2000-01-07  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52066  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:04:53  

Additional Information
 Earth MOID = 1.22391 au 
 Jupiter MOID = 1.94882 au 
 T_jup = 3.277 
[ 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 15.5   n/a MPO325844  
diameter diameter 4.566 km 1.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201578 (2003 ST71)          Discovered 2003-Sep-18 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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