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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1191738545890124 5.9341e-08  
a 2.16598949483125 1.329e-08 au
q 1.907860177732902 1.2882e-07 au
i 3.80455668644725 5.6274e-06 deg
node 261.2983967300542 8.6186e-05 deg
peri 32.71045646765102 8.9458e-05 deg
M 156.7613245116108 2.5924e-05 deg
tp 2456893.486679721378
(2014-Aug-23.98667972)
8.3119e-05 JED
period 1164.348386752657
3.19
1.0716e-05
2.934e-08
d
yr
n .3091858107898721 2.8456e-09 deg/d
Q 2.424118811929598 1.4873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      9579 days (26.23 yr)  
   first obs. used      1989-09-27  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47657  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:09:22  

Additional Information
 Earth MOID = .891284 au 
 Jupiter MOID = 2.71604 au 
 T_jup = 3.681 
[ 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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