Institution
European Space Operations Centre
Government•Darmstadt, Germany•
About: European Space Operations Centre is a government organization based out in Darmstadt, Germany. It is known for research contribution in the topics: Orbit determination & Satellite. The organization has 309 authors who have published 331 publications receiving 10399 citations. The organization is also known as: ESOC.
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29 Sep 2003
TL;DR: The International Rosetta mission, a cornerstone mission of the European Space Agency Scientific Programme, was scheduled for launch in January 2003 on Ariane 5, but it missed its 19 days launch window due to the suspension of flight 517 in December 2002 as discussed by the authors.
Abstract: The International Rosetta Mission, a cornerstone mission of the European Space Agency Scientific Programme, was scheduled for launch in January 2003 on Ariane 5, but it missed its 19 days launch window due to the suspension of Ariane 5 launches following the failure of flight 517 in December 2002. The search for a new mission opportunity started immediately after the launch cancellation. The new mission was finally selected in May, with launch in February 2004 for a rendezvous with comet 67P/Churyumov–Gerasimenko in 2014. At the European Spacecraft Operations Centre (ESOC) mission redefinition activities included the identification of new targets and related trajectories and the operational analysis of the new mission's characteristics. In addition, part of the system level testing and validation of the new on-board software version was performed by ESOC. This activity, a first for ESA spacecraft controlled by ESOC, could be carried out thanks to the already planned move of the spacecraft engineering qualification model to ESOC and the commonality between checkout and flight control systems pursued from the beginning in this project. This paper analyses the implications of the new mission's characteristics on flight operations. The integrated approach to testing of the spacecraft on-board software is also described. Lessons learned at ESOC from the mission redefinition exercise are presented.
6 citations
University of Trento1, European Space Agency2, Leibniz University of Hanover3, Paris Diderot University4, fondazione bruno kessler5, University of Urbino6, University of Birmingham7, ETH Zurich8, UK Astronomy Technology Centre9, Institut de Ciències de l'Espai10, European Space Operations Centre11, Imperial College London12, University of Florida13, University of Zurich14, University of Glasgow15, Polytechnic University of Catalonia16, Goddard Space Flight Center17
TL;DR: The experiments showed that the grabbing positioning and release mechanism, working in its nominal conditions, is capable of releasing the TM into free-fall fulfilling the very strict constraint imposed on the TM residual velocity, in order to allow its capture on behalf of the electrostatic actuation.
6 citations
TL;DR: In this paper, the effect of the atmospheric drag at perigee may render the prediction totally uncertain, as illustrated by the recent re-entry of the first Ariane launch payload.
6 citations
TL;DR: The third body perturbation of an orbiter of a planet or moon is considered in this article, where a very convenient form of the Lagrange equations is given allowing an easy derivation of the various terms of the expansion of the perturbed elements.
Abstract: The third body perturbation of an orbiter of a planet or moon is considered. A very convenient form of the Lagrange equations is given allowing an easy derivation of the various terms of the expansion of the perturbed elements. A careful analysis of the order of magnitude of these terms indicates which ones are required for a consistent theory. It follows that in many practical cases the main term of the disturbing function has to be carried to the second order of the perturbation theory.
6 citations
TL;DR: In this article, the authors investigated a strategy to mitigate the criticality of the first correction manoeuvre: the utilization of an intermediate highly elliptical parking orbit (HEO), which is to increase the robustness of the mission design and to ease the spacecraft operation after launch.
6 citations
Authors
Showing all 312 results
| Name | H-index | Papers | Citations |
|---|---|---|---|
| S. Foley | 56 | 96 | 10888 |
| Anja Rudolph | 53 | 137 | 17307 |
| José F. F. Mendes | 51 | 257 | 19604 |
| Johannes Schmetz | 29 | 85 | 3741 |
| Markus Landgraf | 28 | 86 | 2678 |
| Heiner Klinkrad | 23 | 120 | 1777 |
| Ian Harrison | 22 | 71 | 1664 |
| Holger Krag | 19 | 107 | 1081 |
| Marcus Kirsch | 16 | 43 | 715 |
| R. Maarschalkerweerd | 14 | 41 | 1163 |
| Nicola Policella | 14 | 64 | 865 |
| Michiel Otten | 13 | 27 | 539 |
| Jozef C. Van Der Ha | 12 | 46 | 368 |
| R. Jehn | 12 | 37 | 387 |
| Andrés Riaguas | 10 | 14 | 376 |