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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04642495113134511 7.0177e-08  
a 2.284884259325174 1.5705e-08 AU
q 2.178808619245223 1.6154e-07 AU
i 7.176569171903284 8.1443e-06 deg
node 14.41491067434906 4.831e-05 deg
peri 157.0716036099894 9.4037e-05 deg
M 56.31910253925814 7.9611e-05 deg
tp 2456603.145078777431
(2013-Nov-06.64507878)
0.00027882 JED
period 1261.521729516192
3.45
1.3006e-05
3.561e-08
d
yr
n .2853696385698121 2.9421e-09 deg/d
Q 2.390959899405125 1.6434e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      8219 days (22.50 yr)  
   first obs. used      1991-10-07  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51796  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:58:27  

Additional Information
 Earth MOID = 1.18453 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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