The ASTEROID Collection

New in Release 2022-02 (May 2022).

For a limited time ESDU ASTEROID is available as a free trial. Sign up for a free trial... We are pleased to invite new and existing ASTEROID users to free training sessions where our team of experts will show how to use ASTEROID and answer any and all questions. Sign up for training..

The ASTEROID Collection brings together various ESDU Data Items for the calculation of excrescence drag due to steps, ridges, grooves and cavities on the external surfaces of aircraft.

The methods given in the associated ESDU Data Items are presented in a single piece of software, the ASTEROID Drag Tool. See the 'Software' tab for full details.