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58214 Amorim (1992 RA2)
Classification: Main-belt Asteroid          SPK-ID: 2058214
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588842757451029 4.2457e-08  
a 2.847078089732466 1.9309e-08 au
q 2.394722149455572 1.2154e-07 au
i 14.38814328100998 5.5616e-06 deg
node 336.5222539777336 1.7536e-05 deg
peri 50.87398199409784 2.5164e-05 deg
M 245.4746376508766 1.8311e-05 deg
tp 2459558.708787942282
(2021-Dec-10.20878794)
9.1458e-05 TDB
period 1754.678261105362
4.80
1.7851e-05
4.887e-08
d
yr
n .2051658175631683 2.0872e-09 deg/d
Q 3.299434030009359 2.2377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      777  
   data-arc span      9738 days (26.66 yr)  
   first obs. used      1992-09-02  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:12:45  

Additional Information
 Earth MOID = 1.42398 au 
 Jupiter MOID = 2.28135 au 
 T_jup = 3.242 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO436189  
diameter diameter 5.005 km 1.481 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58214 Amorim           Discovered 1992 Sept. 2 by E. W. Elst at the European Southern Observatory.
Regina Helena Caldas de Amorim (b. 1948) is a Brazilian neuro-pediatrician at Belo Horizonte (Minas Gerais), where she teaches in the Federal University's medical department. She specialized at the University René Descartes in Paris during 1974-1979.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090209/MPCPages.arcLast Updated: 2009-02-11

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Alternate Designations
 1992 RA2 = 1997 SY9 
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