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

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047685608699892 2.3754e-08  
a 2.398026944709912 7.4982e-09 au
q 2.146789112785198 5.8761e-08 au
i 4.114590015580208 7.1844e-07 deg
node 307.2749278082516 2.1034e-05 deg
peri 113.0415625443646 2.2485e-05 deg
M 78.00862762301875 9.6792e-06 deg
tp 2459102.586420744452
(2020-Sep-10.08642074)
3.6058e-05 TDB
period 1356.374182652267
3.71
6.3617e-06
1.742e-08
d
yr
n .2654134858981557 1.2449e-09 deg/d
Q 2.649264776634627 8.2838e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      16128 days (44.16 yr)  
   first obs. used      1977-03-12  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:14:18  

Additional Information
 Earth MOID = 1.16313 au 
 Jupiter MOID = 2.6128 au 
 T_jup = 3.517 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.16   n/a MPCxxxxx  
diameter diameter 4.300 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.182   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

Alternate Designations
 1977 EA6 = 1979 VC2 = 1990 VG8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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