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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618629755085282 5.4845e-08  
a 2.652504816710428 2.6814e-08 AU
q 2.223162494526975 1.4278e-07 AU
i 16.27300542684135 8.367e-06 deg
node 32.61948481093155 2.3877e-05 deg
peri 69.63129362800005 3.8575e-05 deg
M 263.9552462760033 2.9267e-05 deg
tp 2457421.472615050063
(2016-Feb-02.97261505)
0.00013061 JED
period 1577.911708259793
4.32
2.3926e-05
6.551e-08
d
yr
n .2281496474837794 3.4595e-09 deg/d
Q 3.081847138893881 3.1154e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      23280 days (63.74 yr)  
   first obs. used      1950-12-09  
   last obs. used      2014-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46628  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:27:37  

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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