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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507362527123875 4.7763e-08  
a 2.365846122264426 1.1868e-08 au
q 2.009227343300154 1.1264e-07 au
i 6.91553533622259 5.5089e-06 deg
node 153.1462949839142 3.3692e-05 deg
peri 214.5774769682955 3.7174e-05 deg
M 257.4408005986125 1.8306e-05 deg
tp 2457979.160748724593
(2017-Aug-13.66074872)
6.9318e-05 JED
period 1329.162769761338
3.64
1.0001e-05
2.738e-08
d
yr
n .2708471890652195 2.038e-09 deg/d
Q 2.722464901228698 1.3657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1307  
   data-arc span      22126 days (60.58 yr)  
   first obs. used      1955-09-18  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47258  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:14:04  

Additional Information
 Earth MOID = 1.0104 au 
 Jupiter MOID = 2.73056 au 
 T_jup = 3.523 
[ 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 14.1 mag n/a MPO365399  

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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