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12838 Adamsmith (1997 EL55)
Classification: Main-belt Asteroid          SPK-ID: 2012838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0676010535484253 1.8144e-08  
a 2.884552752117333 1.1153e-08 au
q 2.689553947058192 5.0794e-08 au
i 1.163456963330217 7.4159e-07 deg
node 322.001943313691 1.5943e-05 deg
peri 89.81849699991568 2.0764e-05 deg
M 76.19110158347229 1.789e-05 deg
tp 2458821.780290630258
(2019-Dec-04.28029063)
8.8768e-05 TDB
period 1789.435938575304
4.90
1.0378e-05
2.841e-08
d
yr
n .2011807141230333 1.1668e-09 deg/d
Q 3.079551557176474 1.1907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2951  
   data-arc span      12442 days (34.06 yr)  
   first obs. used      1987-02-26  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42931  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:18:25  

Additional Information
 Earth MOID = 1.69965 au 
 Jupiter MOID = 2.16714 au 
 T_jup = 3.289 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.05   n/a MPCxxxxx  
rotation period rot_per 10.909 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

12838 Adamsmith           Discovered 1997 Mar. 9 by E. W. Elst at the European Southern Observatory.
Adam Smith (1723-1790), a key figure in the Scottish Enlightenment, is renowned for An Enquiry into the Nature and Causes of the Wealth of Nations (1767). In this work he introduced the principle of the division of labor and suggested that self interest is the only way to reach socially beneficial results.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

Alternate Designations
 1997 EL55 = 1987 DX6 = 1997 HO14 = 1999 RX2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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