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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133836152552367 9.7548e-08  
a 2.597699315727515 2.0971e-08 AU
q 2.303162775964275 2.5722e-07 AU
i 14.0528354588324 7.2013e-06 deg
node 276.8574160880656 3.3755e-05 deg
peri 126.621246212999 5.4924e-05 deg
M 82.01349354514754 4.0174e-05 deg
tp 2456652.110900619303
(2013-Dec-25.61090062)
0.00017013 JED
period 1529.26147095549
4.19
1.8518e-05
5.07e-08
d
yr
n .2354077486664659 2.8506e-09 deg/d
Q 2.892235855490755 2.3348e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      6377 days (17.46 yr)  
   first obs. used      1997-10-08  
   last obs. used      2015-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48015  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:34:04  

Additional Information
 Earth MOID = 1.34202 AU 
 T_jup = 3.365 
[ 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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