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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0429046484262671 4.9331e-08  
a 2.644118420140334 1.8402e-08 AU
q 2.530673448926796 1.2787e-07 AU
i 1.907938012690543 6.9803e-06 deg
node 341.7280196378625 0.00016519 deg
peri 127.716031190844 0.00018854 deg
M 117.4891396646592 8.8169e-05 deg
tp 2456487.975061469541
(2013-Jul-14.47506147)
0.00038495 JED
period 1570.434326079805
4.30
1.6395e-05
4.489e-08
d
yr
n .2292359470380716 2.3931e-09 deg/d
Q 2.757563391353872 1.9192e-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 = 1.54785 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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