For any question, please contact the ESA's NEO Coordination Centre, located at ESRIN, Frascati, Italy, via: neocc@ssa.esa.int

Otherwise, please contact directly the Planetary Defence Office managers:

Detlef Koschny

Planetary Defence Office Co-Manager, Space Safety programme
ESA/ESTEC, Noordwijk, The Netherlands
Tel: +31 71 565 4828
detlef.koschny@esa.int