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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04299629319739577 5.408e-08  
a 2.643946488731119 1.4033e-08 AU
q 2.530266590303411 1.4092e-07 AU
i 1.908002553172147 7.3315e-06 deg
node 341.7298941780592 0.00017913 deg
peri 127.6352853211277 0.00020228 deg
M 71.70927223112854 9.1791e-05 deg
tp 2456487.711892264659
(2013-Jul-14.21189226)
0.0004004 JED
period 1570.281154461951
4.30
1.2502e-05
3.423e-08
d
yr
n .2292583076457746 1.8253e-09 deg/d
Q 2.757626387158827 1.4637e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      19528 days (53.46 yr)  
   first obs. used      1960-09-24  
   last obs. used      2014-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53732  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:59:42  

Additional Information
 Earth MOID = 1.5472 AU 
 T_jup = 3.392 
[ 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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