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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .11338337481913 1.2581e-07  
a 2.597699390691271 3.24e-08 AU
q 2.303163467009097 3.4388e-07 AU
i 14.05283971849105 9.0517e-06 deg
node 276.857405818374 3.8908e-05 deg
peri 126.6211772128403 6.4273e-05 deg
M 82.01353981155331 4.3023e-05 deg
tp 2456652.110689001396
(2013-Dec-25.61068900)
0.00018408 JED
period 1529.261537152058
4.19
2.8611e-05
7.833e-08
d
yr
n .2354077384764595 4.4042e-09 deg/d
Q 2.892235314373445 3.6074e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      605  
   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      .48346  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 02:47:14  

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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