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12370 Kageyasu (1994 GB9)
Classification: Main-belt Asteroid          SPK-ID: 2012370
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1290873587919221 5.6587e-08  
a 2.30102225797382 1.4325e-08 AU
q 2.003989372170555 1.3024e-07 AU
i 2.416002792844424 5.2906e-06 deg
node 174.9722761565207 0.00014811 deg
peri 25.89261387024784 0.00014999 deg
M 332.7401967550858 2.7397e-05 deg
tp 2457097.038350159979
(2015-Mar-15.53835016)
9.7519e-05 JED
period 1274.910377941794
3.49
1.1905e-05
3.259e-08
d
yr
n .2823727896710524 2.6369e-09 deg/d
Q 2.598055143777085 1.6174e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      12402 days (33.95 yr)  
   first obs. used      1980-04-08  
   last obs. used      2014-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52097  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:21:17  

Additional Information
 Earth MOID = 1.00291 AU 
 T_jup = 3.579 
[ 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 14.4 mag n/a MPO279646  

12370 Kageyasu           Discovered 1994 Apr. 11 by S. Ueda and H. Kaneda at Kushiro.
Takahashi Kageyasu (1785-1829) was the chief astronomer of the shogunal government of Japan. He was among the first to compile and publish maps of the world and East Asia based on the latest knowledge then available in scientific geography. He also established the book office of Western culture in 1811.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26

[ show close-approach data ]
Alternate Designations
 1994 GB9 = 1980 GM 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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