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37786 Tokikonaruko (1997 SS17)
Classification: Main-belt Asteroid          SPK-ID: 2037786
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140348345163271 7.7501e-08  
a 2.191999446192797 1.2404e-08 AU
q 1.884355951320831 1.7379e-07 AU
i 4.565353876681383 6.2022e-06 deg
node 71.35351714638179 9.9806e-05 deg
peri 317.2005702516114 0.00010205 deg
M 99.87824047018398 2.0657e-05 deg
tp 2456671.627568601320
(2014-Jan-14.12756860)
6.7565e-05 JED
period 1185.384071106741
3.25
1.0061e-05
2.755e-08
d
yr
n .3036990362658439 2.5778e-09 deg/d
Q 2.499642941064762 1.4145e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      6451 days (17.66 yr)  
   first obs. used      1996-05-23  
   last obs. used      2014-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63153  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 04:32:06  

Additional Information
 Earth MOID = .892352 AU 
 T_jup = 3.655 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0 mag n/a MPO267833  

37786 Tokikonaruko           Discovered 1997 Sept. 30 by Y. Ikari at Moriyama.
Tokiko Naruko (1923-1995), a selfless volunteer, devoted herself to the social welfare activities in the City of Otsu. She later served as president of the Otsu City Volunteer Association. She was the daughter of Issei Yamamoto, who founded the Oriental Astronomical Association.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

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Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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