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5973 Takimoto (1991 QC)
Classification: Main-belt Asteroid          SPK-ID: 2005973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163119080816355 2.9926e-08  
a 2.557475899438387 1.0009e-08 au
q 2.140302781512017 7.7732e-08 au
i 3.616692329371968 4.5201e-06 deg
node 229.2210360997968 4.3138e-05 deg
peri 59.98596404814049 4.5452e-05 deg
M 43.41413748290709 1.3896e-05 deg
tp 2458820.345784821810
(2019-Dec-02.84578482)
5.7609e-05 TDB
period 1493.880132702927
4.09
8.7701e-06
2.401e-08
d
yr
n .2409831900961425 1.4147e-09 deg/d
Q 2.974649017364758 1.1642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2428  
   data-arc span      25087 days (68.68 yr)  
   first obs. used      1951-11-28  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:34:39  

Additional Information
 Earth MOID = 1.12682 au 
 Jupiter MOID = 2.19422 au 
 T_jup = 3.415 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2   n/a MPO395056  
diameter diameter 7.286 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.54 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]
geometric albedo albedo 0.230   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5973 Takimoto           Discovered 1991 Aug. 17 by S. Otomo at Kiyosato.
Named in memory of Daisuke Takimoto (1950-1997), an activist and computer programmer who lived in Tokyo. He represented the shareholders of the Tokyo Electric Power Company in the nuclear-power phase-out movement, joining thousands of other shareholders who wished to phase out nuclear power.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990728/MPCPages.arcLast Updated: 2010-06-11

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Alternate Designations
 1991 QC = 1987 SN17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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