Efficient modelling of small bodies gravitational potential for

autonomous approach

ESR: Andrea Turconi

Supervisors: Prof. Phil Palmer, Prof. Mark Roberts

Surrey Space Centre, University of Surrey, UK

First Astronet-II Training School

Rome "Tor Vergata" University – 14th-17th January 2013

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Personal Background

ESR: Andrea TurconiFirst Astronet-II Training School

Rome “Tor Vergata” University – Jan. 14th-17th, 2013

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Personal Background

ESR: Andrea TurconiFirst Astronet-II Training School

Rome “Tor Vergata” University – Jan. 14th-17th, 2013

ESR: Andrea TurconiFirst Astronet-II Training School

Rome “Tor Vergata” University – Jan. 14th-17th, 20134

Asteroid modelling for autonomous approach

~ 1 month early operations phase

Pics + Doppler & Ranging

Shape model Spherical

Harmonics Coefficients

Commands to S/C(delay)

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Asteroid modelling for autonomous approach

ESR: Andrea TurconiFirst Astronet-II Training School

Rome “Tor Vergata” University – Jan. 14th-17th, 2013

Eros spheres modelElisabet Herrera Sucarrat,

Phil Palmer,Mark Roberts

(2012)

Potential and ZVC of a rotating system of cotangent spheresAndrea Turconi (2012)

How to generate and use such a model in-situ?

How to mitigate inaccuracies?