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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051509560827653 5.3487e-08  
a 2.397303082193594 1.5459e-08 AU
q 2.145224371080777 1.2532e-07 AU
i 4.11172620124679 6.3972e-06 deg
node 307.4112177440049 8.04e-05 deg
peri 112.1236446853948 8.8361e-05 deg
M 109.7843146287869 3.7476e-05 deg
tp 2456387.052246303415
(2013-Apr-04.55224630)
0.00013949 JED
period 1355.760081338091
3.71
1.3114e-05
3.59e-08
d
yr
n .2655337068522416 2.5684e-09 deg/d
Q 2.64938179330641 1.7084e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      13537 days (37.06 yr)  
   first obs. used      1977-03-12  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56093  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:57:44  

Additional Information
 Earth MOID = 1.16074 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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