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12412 Muchisachie (1995 ST4)
Classification: Main-belt Asteroid          SPK-ID: 2012412
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1496037363277523 6.1716e-08  
a 2.367254474631954 1.4284e-08 AU
q 2.013104360388423 1.4874e-07 AU
i 6.912569667775817 6.4021e-06 deg
node 153.15097295 4.355e-05 deg
peri 214.4012082009473 4.6555e-05 deg
M 95.25798456606314 1.7914e-05 deg
tp 2456648.482111220109
(2013-Dec-21.98211122)
6.4864e-05 JED
period 1330.349792073058
3.64
1.2041e-05
3.297e-08
d
yr
n .2706055220552326 2.4493e-09 deg/d
Q 2.721404588875484 1.6421e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      21563 days (59.04 yr)  
   first obs. used      1955-09-18  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49749  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:22:45  

Additional Information
 Earth MOID = 1.01538 AU 
 T_jup = 3.522 
[ 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 13.9 mag n/a MPO267756  

12412 Muchisachie           Discovered 1995 Sept. 20 by K. Endate and K. Watanabe at Kitami.
Muchi Sachie (b. 1919) is a music teacher. Originally a high-school teacher, she led the choral group at the Asakura High School, Fukuoka, during 1940-1986 and won numerous awards. She also led the Mixed Chorus Suite Asakura Hymn, composed by Akira Miyoshi. The name was suggested by M. Hirai and K. Hurukawa.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081212/MPCPages.arcLast Updated: 2008-12-12

Alternate Designations
 1995 ST4 = 1955 SY = 1992 YW 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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