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83464 Irishmccalla (2001 SM73)
Classification: Main-belt Asteroid          SPK-ID: 2083464
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641426308415364 6.6699e-08  
a 2.940469722866536 3.6131e-08 au
q 2.45781328664534 2.1591e-07 au
i 10.83901435959399 7.9049e-06 deg
node 56.12665169546511 3.0285e-05 deg
peri 278.780900255243 4.0213e-05 deg
M 332.2010851740538 2.8803e-05 deg
tp 2457542.716123624695
(2016-Jun-03.21612362)
0.0001489 JED
period 1841.719535652684
5.04
3.3946e-05
9.294e-08
d
yr
n .1954695017514815 3.6028e-09 deg/d
Q 3.423126159087733 4.2062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      8687 days (23.78 yr)  
   first obs. used      1991-11-01  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55686  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 16:47:25  

Additional Information
 Earth MOID = 1.47586 au 
 Jupiter MOID = 2.06365 au 
 T_jup = 3.226 
[ 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 14.1 mag n/a MPO337886  

83464 Irishmccalla           Discovered 2001 Sept. 19 by R. Tucker at the Goodricke-Pigott Observatory.
Nellie Elizabeth "Irish" McCalla (1929-2002) was an American film actress and artist. She produced over 1000 paintings and numerous limited-edition lithographs. She was a member of Woman Artists of the American West. Her art often featured themes from the Old West and the sweet innocence of youth.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26

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Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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