References

1

Near Earth Objects Dynamic Site, http://newton.dm.unipi.it/neodys/, Department of Mathematics, University of Pisa

2

Milani, A. 1999, Icarus, 137, 269-292.

3

Milani, A. and Valsecchi, G.B. 1998, Icarus, in press.

4

Yeomans, D. K. and P. Chodas 1994, in Hazards due to Comets and Asteroids, (T. Gehrels, Matthews, M.S. and Schumann, A.M. Eds.), pp. 241-258, University of Arizona press.

5

Marsden, B., 1998: http://abob.libs.uga.edu/bobk/ccc/cc060898.html, CCNet Digest, June 8.

6

Greeenberg, R., Carusi, A. and Valsecchi G.B., 1988, Icarus, 75, 1-29.

7

Valsecchi, G.B. and Manara, A. 1997, Astron. Astrophys. 323, 986-998.

8

Gronchi, G.F., and Milani, A.: 1998, Celestial Mechanics 71, 109-136.

9

Gronchi, G.F., and Milani, A.: 1999, Astronomy and Astrophysics, 341, 928-935.

10

Milani, A. and Gronchi, G.F.: 1999, in Proceedings of IAU Colloquium 173, submitted.

11

Chapman, C.R., and Morrison, D.: 1994, Nature 367, 33-40.

12

Zare, K. and Chesley, S.: 1998, Chaos, 8, 475-494.

 
Table 1: Earth close approaches possible through 2040.