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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192178397693122 6.0046e-08  
a 2.166358599066845 1.4631e-08 AU
q 1.908090006720422 1.3126e-07 AU
i 3.804322751326455 5.6426e-06 deg
node 261.3042628005441 9.1167e-05 deg
peri 32.80568705695737 9.4666e-05 deg
M 32.99094089514224 2.6397e-05 deg
tp 2456893.770088614441
(2014-Aug-24.27008861)
8.5359e-05 JED
period 1164.646022704332
3.19
1.1799e-05
3.23e-08
d
yr
n .3091067955257965 3.1315e-09 deg/d
Q 2.424627191413268 1.6375e-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-Sep-12 13:54:29  

Additional Information
 Earth MOID = .89452 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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