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5740 Toutoumi (1989 WM3)
Classification: Main-belt Asteroid          SPK-ID: 2005740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1920851264835449 6.3322e-09  
a 2.627399852285129 9.1881e-09 au
q 2.122715419336093 1.4695e-08 au
i 13.54970571518691 3.828e-07 deg
node 49.07801535651043 2.0372e-06 deg
peri 19.20843772364225 6.9468e-06 deg
M 101.9885484913543 5.6831e-06 deg
tp 2458759.806551935153
(2019-Oct-03.30655194)
2.3638e-05 TDB
period 1555.563282840463
4.26
8.1598e-06
2.234e-08
d
yr
n .2314274218035276 1.214e-09 deg/d
Q 3.132084285234166 1.0953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3492  
   data-arc span      28620 days (78.36 yr)  
   first obs. used      1942-11-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35115  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:54:05  

Additional Information
 Earth MOID = 1.13976 au 
 Jupiter MOID = 2.23708 au 
 T_jup = 3.336 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.65   n/a E2021B10  
diameter diameter 8.856 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.68 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Vander Haagen, G. (2007) Minor Planet Bull. 34, 42.]
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
geometric albedo albedo 0.191   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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