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178294 Wertheimer (1990 TA12)
Classification: Main-belt Asteroid          SPK-ID: 2178294
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .248999904657335 7.8685e-07  
a 2.482931250749542 9.0174e-08 AU
q 1.864681606042188 1.8955e-06 AU
i 3.237832294128914 1.4823e-05 deg
node 346.4943812867371 0.00024499 deg
peri 19.65227677195444 0.0002668 deg
M 68.44849576179409 0.00020465 deg
tp 2456728.789215422007
(2014-Mar-12.28921542)
0.00079859 JED
period 1429.043565668472
3.91
7.7849e-05
2.131e-07
d
yr
n .2519167425323389 1.3723e-08 deg/d
Q 3.101180895456895 1.1263e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      7855 days (21.51 yr)  
   first obs. used      1990-10-12  
   last obs. used      2012-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64933  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 14:11:25  

Additional Information
 Earth MOID = .863529 AU 
 T_jup = 3.432 
[ 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 16.5 mag n/a MPO229815  

178294 Wertheimer           Discovered 1990 Oct. 11 by F. Börngen and L. D. Schmadel at Tautenburg.
Egon Ranshofen-Wertheimer (1894-1957) was an Austrian lawyer, journalist and historian. For ten years he was a supervisor for the League of Nations in Geneva. In 1940 he emigrated to the U.S. and was involved in the establishment of the United Nations. The name was suggested by the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080520/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1990 TA12 = 2000 EP207 = 2002 XF111 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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