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5740 Toutoumi (1989 WM3)
Classification: Main-belt Asteroid          SPK-ID: 2005740
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 .1898093604852402 6.2031e-08  
a 2.628852694660632 1.9097e-08 AU
q 2.129871845877197 1.6914e-07 AU
i 13.53519206282177 7.388e-06 deg
node 49.14562037475518 2.7208e-05 deg
peri 19.17852617612051 3.467e-05 deg
M 313.1395966730365 2.2676e-05 deg
tp 2457203.152201293444
(2015-Jun-29.65220129)
9.9438e-05 JED
period 1556.853703469119
4.26
1.6964e-05
4.644e-08
d
yr
n .2312355998497587 2.5196e-09 deg/d
Q 3.127833543444067 2.2721e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      26261 days (71.90 yr)  
   first obs. used      1942-11-05  
   last obs. used      2014-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .43652  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:05:04  

Additional Information
 Earth MOID = 1.1471 AU 
 T_jup = 3.336 
[ 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 12.5 mag n/a MPO309195  
rotation period rot_per 11.68 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Vander Haagen, G. (2007) Minor Planet Bul. 34, 42.]

5740 Toutoumi           Discovered 1989 Nov. 29 by Y. Oshima at the Gekko Observatory.
Named for the area in the western part of Shizuoka prefecture that is the location of the Nakano-Gakuen Astro-Geological College. Several of its graduates have worked at the observatories belonging to the International Foundation for Cultural Harmony.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990202/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 1989 WM3 = 1942 VD = 1972 VB1 = 1973 AL2 = 1987 HP2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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