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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1496038172002555 5.1041e-08  
a 2.367254457039424 1.2209e-08 AU
q 2.013104153982008 1.196e-07 AU
i 6.912567246305887 5.8877e-06 deg
node 153.1509541232141 3.4299e-05 deg
peri 214.4012383308756 3.7981e-05 deg
M 95.25798572704817 1.7884e-05 deg
tp 2456648.482110853880
(2013-Dec-21.98211085)
6.4791e-05 JED
period 1330.349777243082
3.64
1.0292e-05
2.818e-08
d
yr
n .2706055250717878 2.0934e-09 deg/d
Q 2.72140476009684 1.4035e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      21816 days (59.73 yr)  
   first obs. used      1955-09-18  
   last obs. used      2015-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47142  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:09:34  

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 14.0 mag n/a MPO324423  

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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