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10355 Kojiroharada (1993 EQ)
Classification: Main-belt Asteroid          SPK-ID: 2010355
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 .04659607771825394 5.7951e-08  
a 2.284948220442995 1.1815e-08 au
q 2.178478595581048 1.3052e-07 au
i 7.176926389458886 7.0157e-06 deg
node 14.40524054080818 3.6672e-05 deg
peri 157.4288125059523 7.3776e-05 deg
M 227.1488969484134 6.5955e-05 deg
tp 2457866.059973859239
(2017-Apr-22.55997386)
0.00023234 JED
period 1261.574700845696
3.45
9.7853e-06
2.679e-08
d
yr
n .2853576563945632 2.2134e-09 deg/d
Q 2.391417845304943 1.2366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1036  
   data-arc span      8836 days (24.19 yr)  
   first obs. used      1991-10-07  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49899  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:14:03  

Additional Information
 Earth MOID = 1.18363 au 
 Jupiter MOID = 2.57101 au 
 T_jup = 3.591 
[ 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 14.3 mag n/a MPO350885  

10355 Kojiroharada           Discovered 1993 Mar. 15 by K. Endate and K. Watanabe at Kitami.
Kojiro Harada (b. 1926), mechanical engineer, is a member of Kawasaki Astronomical Association. A long-time observer of double stars, he has also written many fairy tales on stars, dramatizing and performing in them himself.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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