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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128837718020299 4.1851e-08  
a 2.808918366571417 2.0634e-08 au
q 2.210945230011697 1.1307e-07 au
i 7.238347506614504 4.8011e-06 deg
node 227.8968725498462 5.8661e-05 deg
peri 192.3317373927581 6.1481e-05 deg
M 67.38042647497805 1.8981e-05 deg
tp 2458278.661231106246
(2018-Jun-09.16123111)
8.9191e-05 TDB
period 1719.519493465616
4.71
1.8947e-05
5.187e-08
d
yr
n .2093608135110093 2.3069e-09 deg/d
Q 3.406891503131138 2.5027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      6992 days (19.14 yr)  
   first obs. used      2000-01-07  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52233  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:44:25  

Additional Information
 Earth MOID = 1.22371 au 
 Jupiter MOID = 1.94682 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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