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12141 Chushayashi (4112 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2012141
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04251962922092644 4.9352e-08  
a 2.645039773659787 1.8503e-08 au
q 2.53257366320917 1.2797e-07 au
i 1.907670408349881 6.9804e-06 deg
node 341.7265519828635 0.00016518 deg
peri 127.9355670194339 0.00018892 deg
M 254.7511425227942 8.8893e-05 deg
tp 2458059.868939298895
(2017-Nov-02.36893930)
0.0003878 JED
period 1571.255233658167
4.30
1.6487e-05
4.514e-08
d
yr
n .2291161819469996 2.4041e-09 deg/d
Q 2.757505884110405 1.9289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      19639 days (53.77 yr)  
   first obs. used      1960-09-24  
   last obs. used      2014-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51271  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:29:50  

Additional Information
 Earth MOID = 1.54826 au 
 Jupiter MOID = 2.28101 au 
 T_jup = 3.391 
[ 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 14.2 mag n/a MPO279644  

12141 Chushayashi           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld at Leiden on Palomar Schmidt plates taken by T. Gehrels.
Chushiro Hayashi (b. 1920) is a Japanese astrophysicist who made pioneering models of star formation and significant discoveries related to the formation of elements in the early universe.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

[ show close-approach data ]
Alternate Designations
 4112 P-L = 1997 EO56 = 1997 JV18 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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