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10009 Hirosetanso (1977 EA6)
Classification: Main-belt Asteroid          SPK-ID: 2010009
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1048209667663842 4.998e-08  
a 2.397907240163591 1.6227e-08 au
q 2.146556285033531 1.1695e-07 au
i 4.11141943669719 6.0092e-06 deg
node 307.4103980976565 7.5312e-05 deg
peri 112.0381046717167 8.2975e-05 deg
M 269.1737912899286 3.735e-05 deg
tp 2457742.680834190941
(2016-Dec-20.18083419)
0.00014267 JED
period 1356.272622828077
3.71
1.3767e-05
3.769e-08
d
yr
n .2654333604768443 2.6943e-09 deg/d
Q 2.649258195293651 1.7928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1004  
   data-arc span      13973 days (38.26 yr)  
   first obs. used      1977-03-12  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51254  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:03:35  

Additional Information
 Earth MOID = 1.16213 au 
 Jupiter MOID = 2.6241 au 
 T_jup = 3.517 
[ 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 14.0 mag n/a MPO253434  

10009 Hirosetanso           Discovered 1977 Mar. 12 by H. Kosai and K. Hurukawa at the Kiso Station of the Tokyo Astronomical Observatory.
Hirose Tanso (1782-1856) was a Confucian scholar in the Edo period, born at Hita, Oita prefecture.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1977 EA6 = 1979 VC2 = 1990 VG8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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