Imprint / Credits

Imprint according to § 5 TMG (German Act for Telemedia Services) and § 18 Medienstaatsvertrag (German State Media Treaty) Deutsches Zentrum fuer Luft- und Raumfahrt e. V.

German Aerospace Center (DLR)
Linder Hoehe
51147 Koeln (Cologne), Germany

Phone: +49 2203 601-0
Fax: +49 2203 67310
email: contact-dlr [at]

DLR's Executive Board, consisting of Prof. Dr. Anke Kaysser-Pyzalla (Chair of the DLR Executive Board), Klaus Hamacher (Vice Chairman of the Executive Board), Prof. Dr. rer. nat. Hansjoerg Dittus, Prof. Dr.-Ing. Karsten Lemmer and Dr.-Ing. Walther Pelzer is empowered to act as DLR's representative.

Seat of the Executive Board

The Executive Board's seat is located at DLR, Executive Board, Linder Höhe, D-51147 Cologne.

The Executive Board can also authorise DLR employees to act on behalf of DLR. The head of DLR's legal department, Linder Hoehe, 51147 Cologne, can provide information about the extent of this authorisation.

Court of registration/registration number

District court of Bonn, VR 2780.

Value added tax identification number

DE 121965658

Responsible in the sense of § 18 2nd paragraph of Medienstaatsvertrag (German State Media Treaty)

Dr.-Ing. Ralph Kahle, DLR, German Space Operations Center (GSOC), Muenchener Strasse 20, 82234 Wessling, Germany
email: ralph.kahle [at]

The ISSFD Web Portal is maintained by

Dr.-Ing. Ralph Kahle, DLR, German Space Operations Center (GSOC), Muenchener Strasse 20, 82234 Wessling, Germany
email: ralph.kahle [at]

Copyright information

This webpage contains - as the case may be - copyrightable works. They are subject to the national copyright protection law of the state for which protection is demanded and to the Berne Convention for the Protection of Literary and Artistic Works. The copyrights in copyrightable works are held by the respective authors or institutions (in the case of works made for hire) as indicated on the respective copyrightable work. If any third party wants to make use of those works that third party needs to ask the respective copyright holder or the respective copyright holders for his, her, its or their prior permission (license) for the use of the copyrightable work. Unaffected remains everybody's right to make use of the copyrighted works within the copyright's limits such as of the right to quote and to make use of any statutory permission to use the copyrightable works which are established, in some countries, as the fundamental doctrine of fair use.

Unaffected by the copyright license remain the moral rights of the copyright holder, the rights of other people, either in the Licensed Property itself or with respect to its use, such as publicity or privacy rights of people who may be subject to the requirement of a separate approval.

Information on the legal status of ISSFD (International Symposium on Space Flight Dynamics)

The ISSFD is not a separate legal entity. ISSFD is only a series of conferences that provides an international forum for specialists in the field of space flight dynamics. It is sponsored by various space agencies, including APL, CNES, DLR/GSOC, ESA/ESOC, INPE, JAXA/ISAS, KIAM, NASA/GSFC, and JPL. No legal corporate, or similar, relationship or association or society is intended to be founded by this merely scientific cooperation. No ISSFD member may represent other members individually, or the members as a whole, towards third parties. The build-up of community assets and sharing of profits or losses is excluded.


DLR cannot be held liable either for mistakes in editorial or technical aspects, nor for omissions, nor for the correctness of the content except for the content which is indicated as DLR's own content. Each conference member can only be held liable for its respective own content if indicated as its own content. DLR does not guarantee completeness or correctness of information contained in external websites which can be accessed via links from DLR's websites. Only the content providers of such external sites are liable for their content. Should you notice any mistake in technical or editorial aspects of the DLR site, please do not hesitate to inform us.


Views expressed are those of the individual and do not represent the views of DLR.

Last update: 18 January 2021