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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1050770317760807 5.1177e-08  
a 2.39733430655002 1.6411e-08 AU
q 2.145429533442775 1.1942e-07 AU
i 4.111695118798645 6.117e-06 deg
node 307.409827190961 7.6893e-05 deg
peri 112.094609896354 8.4679e-05 deg
M 162.931587767412 3.7087e-05 deg
tp 2456386.887615596718
(2013-Apr-04.38761560)
0.00013663 JED
period 1355.786569149019
3.71
1.3922e-05
3.812e-08
d
yr
n .2655285191576723 2.7265e-09 deg/d
Q 2.649239079657265 1.8135e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      13593 days (37.22 yr)  
   first obs. used      1977-03-12  
   last obs. used      2014-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51751  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:16:50  

Additional Information
 Earth MOID = 1.16162 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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