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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04646782436402995 5.889e-08  
a 2.285154279684253 1.4033e-08 AU
q 2.178968131971174 1.3326e-07 AU
i 7.176286614105318 7.3017e-06 deg
node 14.40983569476833 4.4907e-05 deg
peri 157.2192532816101 8.9132e-05 deg
M 113.2407463939668 7.5702e-05 deg
tp 2456603.608371297519
(2013-Nov-07.10837130)
0.00026536 JED
period 1261.745360065073
3.45
1.1623e-05
3.182e-08
d
yr
n .2853190599261911 2.6282e-09 deg/d
Q 2.391340427397332 1.4685e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      8276 days (22.66 yr)  
   first obs. used      1991-10-07  
   last obs. used      2014-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49558  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:44:51  

Additional Information
 Earth MOID = 1.18534 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 14.2 mag n/a MPO279625  

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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