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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1640397851123795 6.7879e-08  
a 2.939553301081302 3.6562e-08 AU
q 2.457349609245539 2.1822e-07 AU
i 10.84048962506816 7.9896e-06 deg
node 56.12929127181006 3.2045e-05 deg
peri 278.8772507241946 4.1601e-05 deg
M 253.8909353774165 2.8468e-05 deg
tp 2457543.088295779466
(2016-Jun-03.58829578)
0.0001515 JED
period 1840.858621978984
5.04
3.4344e-05
9.403e-08
d
yr
n .1955609169013686 3.6485e-09 deg/d
Q 3.421756992917064 4.2559e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8606 days (23.56 yr)  
   first obs. used      1991-11-01  
   last obs. used      2015-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56646  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 18:54:02  

Additional Information
 Earth MOID = 1.47784 AU 
 T_jup = 3.227 
[ 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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