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9103 Komatsubara (1996 XW30)
Classification: Main-belt Asteroid          SPK-ID: 2009103
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192025579755693 6.0394e-08  
a 2.166334995311364 1.4895e-08 AU
q 1.908102322438256 1.3149e-07 AU
i 3.804511011478882 5.702e-06 deg
node 261.3072350065007 9.6041e-05 deg
peri 32.83305445848861 9.9891e-05 deg
M 331.1454613946168 2.9363e-05 deg
tp 2456893.846595556869
(2014-Aug-24.34659556)
9.5091e-05 JED
period 1164.626988497524
3.19
1.2012e-05
3.289e-08
d
yr
n .3091118474460505 3.1881e-09 deg/d
Q 2.424567668184471 1.6671e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1125  
   data-arc span      8623 days (23.61 yr)  
   first obs. used      1989-09-27  
   last obs. used      2013-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48241  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Oct-22 18:59:46  

Additional Information
 Earth MOID = .892609 AU 
 T_jup = 3.680 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO263430  

9103 Komatsubara           Discovered 1996 Dec. 14 by T. Kobayashi at Oizumi.
Japanese amateur astronomer Mitsugu Komatsubara (b. 1953) is a reporter who has frequently covered astronomy and space development. Together with Tomohisa Ohno, he recently rehabilitated the late comet and nova hunter Minoru Honda's observatory "Seijin-Sanso".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1996 XW30 = 1989 SB8 = 1991 CR5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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