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30928 Jefferson (1993 TJ32)
Classification: Main-belt Asteroid          SPK-ID: 2030928
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618629823624209 5.5509e-08  
a 2.652504825088029 2.9509e-08 AU
q 2.223162483368569 1.4332e-07 AU
i 16.27299960848377 9.1368e-06 deg
node 32.61948439326615 2.3881e-05 deg
peri 69.63128577844098 4.191e-05 deg
M 263.9552506138959 3.0939e-05 deg
tp 2457421.472598031081
(2016-Feb-02.97259803)
0.00013692 JED
period 1577.911715735245
4.32
2.6331e-05
7.209e-08
d
yr
n .2281496464029067 3.8073e-09 deg/d
Q 3.081847166807488 3.4286e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      683  
   data-arc span      23245 days (63.64 yr)  
   first obs. used      1950-12-09  
   last obs. used      2014-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45842  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:49:48  

Additional Information
 Earth MOID = 1.29523 AU 
 T_jup = 3.314 
[ 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 13.6 mag n/a MPO233692  

30928 Jefferson           Discovered 1993 Oct. 9 by E. W. Elst at the European Southern Observatory.
Thomas Jefferson (1743-1826), the third president of the United States (1801-1809), will be always remembered as the principal author of the 1776 Declaration of Independence. A man of the Enlightenment and of great intellectual power, he is also honored for the Virginian Statute for Religious Freedom (1779).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090409/MPCPages.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 1993 TJ32 = 1993 TO48 = 1999 CN123 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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