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31190 Toussaint (1997 YB12)
Classification: Main-belt Asteroid          SPK-ID: 2031190
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1129025747254111 1.2162e-07  
a 2.596787004500627 3.1423e-08 AU
q 2.303603065679019 3.3064e-07 AU
i 14.05845915153728 9.3737e-06 deg
node 276.8666011787735 3.8995e-05 deg
peri 126.5551485446554 6.5394e-05 deg
M 35.01991000772804 4.4506e-05 deg
tp 2456651.815586029312
(2013-Dec-25.31558603)
0.00018949 JED
period 1528.45592743202
4.18
2.7743e-05
7.596e-08
d
yr
n .2355318158272585 4.2751e-09 deg/d
Q 2.889970943322236 3.497e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      5951 days (16.29 yr)  
   first obs. used      1997-10-08  
   last obs. used      2014-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49431  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:48:07  

Additional Information
 Earth MOID = 1.34181 AU 
 T_jup = 3.366 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO279840  

31190 Toussaint           Discovered 1997 Dec. 27 by R. Tucker at Goodricke-Pigott Observatory.
Roberta Marie Toussaint (b. 1954) is a U.S. experimental physicist noted for developing biomagnetic devices and techniques and also for vital improvements to calibration of vast amounts of data from the worldwide GONG network of helioseismic telescopes and a high-precision spectrometer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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