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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192025435191286 6.0048e-08  
a 2.166334987696119 1.4575e-08 AU
q 1.908102347048261 1.3127e-07 AU
i 3.804512053666421 5.6428e-06 deg
node 261.3071849960587 9.1159e-05 deg
peri 32.83307411808846 9.4657e-05 deg
M 331.1454930432623 2.6378e-05 deg
tp 2456893.846492678922
(2014-Aug-24.34649268)
8.5354e-05 JED
period 1164.626982356563
3.19
1.1753e-05
3.218e-08
d
yr
n .3091118490759662 3.1195e-09 deg/d
Q 2.424567628343977 1.6312e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1131  
   data-arc span      9016 days (24.68 yr)  
   first obs. used      1989-09-27  
   last obs. used      2014-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47407  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:41:32  

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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