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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04665064069233874 5.7935e-08  
a 2.284668913539042 1.1713e-08 au
q 2.178087644952576 1.3053e-07 au
i 7.176968018136268 7.0084e-06 deg
node 14.40545254006584 3.6358e-05 deg
peri 157.5747640392576 7.3356e-05 deg
M 284.081250251778 6.5848e-05 deg
tp 2457866.498925447466
(2017-Apr-22.99892545)
0.00023142 JED
period 1261.343389856476
3.45
9.6997e-06
2.656e-08
d
yr
n .2854099866024296 2.1948e-09 deg/d
Q 2.391250182125507 1.2259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1050  
   data-arc span      8892 days (24.34 yr)  
   first obs. used      1991-10-07  
   last obs. used      2016-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50282  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:06:44  

Additional Information
 Earth MOID = 1.18253 au 
 Jupiter MOID = 2.57123 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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