Giovanni Valsecchi

The long-term evolution and initial size of comets 46P/Wirtanen and 67P/Churyumov-Gerasimenko (2007)

Groussin, Olivier, Hahn, Gerhard, Lamy, Philippe, Gonczi, Robert, Valsecchi, Giovanni

We present a new method to study the long term evolution of cometary nuclei in order to retrieve their original size. We considered the two cases of comet 46P/Wirtanen and 67P/Churyumov-Gerasimenko....

The Don Quijote Mission: Target Selection and Mitigation-Relevant Science Return (2006)

Harris, Alan, Galvez, Andres, Benz, Willy, Fitzsimmons, Alan, Green, Simon, Michel, Patrick, ...

The Don Quijote concept includes a rendezvous spacecraft and an impactor vehicle. The main aim of the mission is to carry out an experiment to demonstrate the modification of a near-Earth...

Don Quijote Mission Study: Target Selection and Possible Science Return (2005)

Harris, Alan, Benz, Willy, Fitzsimmons, Alan, Green, Simon, Michel, Patrick, Valsecchi, Giovanni

The near-Earth object impact hazard: space mission priorities for risk assessment and reduction (2005)

Harris, Alan, Benz, Willy, Fitzsimmons, Alan, Galvez, Andres, Green, Simon, Michel, Patrick, ...

In July 2002 the general studies programme of the European Space Agency (ESA) provided funding for preliminary studies of six space missions that could make significant contributions to our knowledge...

Target selection for the Don Quijote mission. Report to ESA of the Near-Earth Asteroid Mission Advisory Panel (NEOMAP) (2005)

Harris, Alan, Benz, Willy, Fitzsimmons, Alan, Green, Simon, Michel, Patrick, Valsecchi, Giovanni