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31442 Stark (1999 CY1)
Classification: Main-belt Asteroid          SPK-ID: 2031442
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275650564150863 6.3378e-08  
a 2.43461991661776 1.9364e-08 au
q 2.124047489605123 1.5115e-07 au
i 1.834065214015009 5.6633e-06 deg
node 304.1215788288248 0.00021238 deg
peri 229.0763772505155 0.0002134 deg
M 129.2148268506678 2.827e-05 deg
tp 2456902.470541853356
(2014-Sep-01.97054185)
0.00010594 JED
period 1387.538948142507
3.80
1.6554e-05
4.532e-08
d
yr
n .2594521764466003 3.0954e-09 deg/d
Q 2.745192343630397 2.1835e-08 au
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      7976 days (21.84 yr)  
   first obs. used      1993-09-14  
   last obs. used      2015-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54328  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:19:37  

Additional Information
 Earth MOID = 1.12978 au 
 Jupiter MOID = 2.2286 au 
 T_jup = 3.493 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO279843  

31442 Stark           Discovered 1999 Feb. 7 by D. S. Dixon at Jornada Observatory.
Lawrence W. Stark (b. 1926) has been a pioneering researcher in the application of control and information theory to neurological systems and the physiological modeling of human vision. Recently he extended this work into the field of robotic vision.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031110/MPCPages.arcLast Updated: 2003-11-12

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