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236 years ago. . .

  • Giovanni B. Valsecchi (a1)

Abstract

Some of the problems related to Near Earth Objects (NEOs), like orbit determination and ephemeris computation, are not new, and had to be dealt with since the beginning of NEO astronomy. The latter practically started with the discovery of Comet D/1770 L1 Lexell, that passed very close to the Earth in 1770; studies of the chaotic dynamics of this exceptional object continued well into the XIXth century. At the end of the XXth century there has been a renewal of interest in NEOs, as attested by IAU Symposium 236.

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References

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Carusi, A.Kresáková, M. and Valsecchi, G. B. 1982, Astron. Astrophys. 116, 201
LeVerrier, U. J. 1844, Comptes rendues de l'Academie des sciences 19, 982
LeVerrier, U. J. 1848, Comptes rendues de l'Academie des sciences 26, 465
LeVerrier, U. J. 1857, Annales de l'observatoire de Paris 3, 203
Lexell, A. J. 1777a, Acta Academiae Scientiarum Imperialis Petropolitanae I, 332
Lexell, A. J. 1777b, Acta Academiae Scientiarum Imperialis Petropolitanae II, 328
Lexell, A. J. 1778a, Acta Academiae Scientiarum Imperialis Petropolitanae I, 317
Lexell, A. J. 1778b, Acta Academiae Scientiarum Imperialis Petropolitanae II, 12
Milani, A., Sansaturio, M. E., Tommei, G., Arratia, O. and Chesley, S. R. 2005a, Astron. Astrophys. 431, 729
Milani, A., Chesley, S. R., Sansaturio, M. E., Tommei, G. and Valsecchi, G. B. 2005b, Icarus 173, 362
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236 years ago. . .

  • Giovanni B. Valsecchi (a1)

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