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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04290464824934464 4.9383e-08  
a 2.644118420172987 1.8419e-08 AU
q 2.530673449425852 1.2805e-07 AU
i 1.907938019893376 6.9812e-06 deg
node 341.7280286837702 0.00016582 deg
peri 127.7160222879215 0.00018909 deg
M 117.4891394999841 8.8201e-05 deg
tp 2456487.975062178413
(2013-Jul-14.47506218)
0.00038508 JED
period 1570.434326108895
4.30
1.6409e-05
4.493e-08
d
yr
n .2292359470338254 2.3953e-09 deg/d
Q 2.757563390920122 1.9209e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      940  
   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      .51664  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:27:43  

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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