Proceedings archive
Johannes Herzog, Marcel Prohaska, Benjamin Hofmann, Hauke Fiedler, Thomas Schildknecht (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Elisabeth Banken, Vincent E. Schneider , Lotte Pohl, Jula Kniep, Robert Ströbel, Mohamed K. Ben Larbi, Enrico Stoll, Laurent Pambaguian, Carlos Jahn, Johannes Oeffner (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
David Gondelach, Srinivas Setty, Christoph Bamann, Paul Cefola (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Nicholas Sia, Piyush Mehta (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Rudolf Haussmann, Paul Wagner, Tim Clausen (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Vitali Braun, André Horstmann, Stijn Lemmens, Carsten Wiedemann, Lorenz Böttcher (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Vitali Braun, Xanthi Oikonomidou, Silvia Sanvido, Stijn Lemmens (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Elena E. Cirkovic, Kristi Acuff, Danielle R. Wood, Minoo Rathnasabapathy, Simon Potter (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Saeed Vahedikamal, Ian Hepburn (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Adrian Dumitrescu, Scott J. Walker, Federico Romei, Atul Bhaskar (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Sascha Metz, Henrik Simon, Francesca Letizia (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Pavithra Ravi, Carolin Frueh, Thomas Schildknecht (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Alan Jenkin, John Mcvey, Marlon Sorge (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Deepthi Narasimhan, Ananya M, Suraj R, Chiranthan K, Ankur Mahur, Maithili Pathak, Seemaparvez Shaik, Aldrin . A, Arunadevi T. M, Aditya Bhaskaran (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Masumi Higashide, Kumi Nitta (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Julian Hammerl, Hanspeter Schaub (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Marika Popp, Marcus Wallum (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Christophe Bonnal, Laurent Jourdainne, Giorgio Tumino, Emelyne Renard (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Darren Mcknight, Casady Joe, Andy Hoskins (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Paolo Guardabasso, Stéphanie Lizy-destrez (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Liam Pieters, Ron Noomen (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Benjamin Bastida Virgili, Stijn Lemmens (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Silvia Sanvido, Stijn Lemmens (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Mark A. Skinner, Marlon E. Sorge, Danielle V. Bernstein, Ted J. Muelhaupt (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Han Cai, Moriba Jah (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Robin Putzar, Frank Schaefer (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Thomas Caleb, Stéphanie Lizy-destrez (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Nikolai Koshkin, Leonid Shakun, Oleksandr Kozhukhov, Andrij Bilinsky, Viktor Kudak, Ivan Neubauer, Dmytro Kozhukhov, Volodymyr Prysiaznyi, Andrij Ozeryan (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Harleen Kaur Mann, Alessandro Vananti, Thomas Schildknecht (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Peter Senior, Steve Eckersley, Andrew Cawthorne, Andrew Haslehurst, Victoria Irwin, Alex Da Silva Curiel, Ben Stern, Martin Sweeting (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Christoph M. Bergmann, Andrea Zollo, Johannes Herzog, Thomas Schildknecht (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Phuong Linh Ngo, Carlos Yanez (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Yuto Tamaki, Hiroaki Tanaka (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Ana - Maria Piso, Pierre - Guillaume Sprimont, Octavian - Angelo Voicu, Bogdan Bija, Oscar Alonso Lasheras (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Emma Kerr, Noelia Sanchez (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Emma Kerr, Jaime Nomen, Noelia Sanchez Ortiz, Borja Del Campo, Nina Maric, Gabriele Falco, Chris Dorn, Stuart Eves (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Emma Kerr, Gabriele Falco, Nina Maric, David Petit, Patrick Talon, Elisabeth Petersen, Chris Dorn, Stuart Eves, Jaime Nomen, Noelia Sanchez Ortiz, Raul Dominguez Gonzalez (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Mikkel K. Jorgensen, Luc Sagnières, Inna Sharf (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Alessandro Vananti, Daniel Guthruf, Yao Lu, Thomas Schildknecht (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Emma Stevenson, Victor Rodriguez-fernandez, Hodei Urrutxua, Vincent Morand, David Camacho (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Noelia Sánchez-ortiz, Raúl Domínguez-gonzález1, Jaime Nomen, Stefano Pessina, Milan Klinc (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Noelia Sánchez-ortiz, Jaime Nomen, Nuria Guijarro (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Harriet Brettle, Hugh Lewis, Toby Harris, Mike Lindsay, Stephen Wokes (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
David Vallverdu Cabrera, Jens Utzmann, Roger Förstner (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Nathan Houtz, Carolin Frueh (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Maria G. Dimitrova Vasselinova, Giovanni Cirillo, Jens Utzmann, Yannick Heinz, Guido Pedone, David Vallverdu Cabrera (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Guido Pedone, Jens Utzmann, Roger Förstner (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Gerd A. Wagner, Frank Schramm, Wolfgang Riede, Thomas Dekorsy, Egon Döberl, Dietmar Weinzinger (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Vojtech Cvrcek, Radim Sara (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Manuel Schubert, Christopher Kebschull, Steven Horstmann, Enrico Stoll (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Cordula Knauf, Rudolf Hoffmann, Marcus Albrecht, Miriam Martin Gonzalez, Hans Schily, Alexander Charlish, Robert Kohlleppel (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Matteo Manzi, Massimiliano Vasile (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Lucía Ayala Fernández, Jonas Radtke, Enrico Stoll (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Arjun P. More, Senthil Murugan (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Sophie Missonnier, Simon Rommelaere, Laurent Lequette (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Simon Rommelaere, Romain Ricciardi, Laurent Lequette (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Michael J. Rose, Carolin Frueh (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Lorenzo Cibin (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Francesca Letizia, Stijn Lemmens (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Francesca Letizia, Stijn Lemmens, Danielle Wood, Minoo Rathnasabapathy, Miles Lifson, Riley Steindl, Kristi Acuff, Moriba Jah, Simon Potter, Nikolai Khlystov (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Gonzalo Sanchez-arriaga, Lorenzo Tarabini, Enrico Lorenzini, Martin Tajmar, Katja Waetzig, Angel Post (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Daniel J. Scheeres, Conor J. Benson (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Potential of using ground-based high-power lasers to decelerate the evolution of space debris in LEO
Stefan Scharring, Jürgen Kästel, Gerd Wagner, Wolfgang Riede, Egon Döberl, Dietmar Weinzinger, Wolfgang Promper, Tim Flohrer, Andrea Di Mira (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Marlon Sorge, Greg Henning, Glenn Peterson, Alan Jenkin, John Mcvey, Deanna Mains (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Julian Rodriguez-villamizar, Thomas Schildknecht (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Julian Rodriguez, Thomas Schildknecht (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Agnieszka Sybilska, Mariusz Słonina, Paweł Lejba, Grzegorz Lech, Johannes Karder, Tomasz Suchodolski, Stefan Wagner, Piotr Sybilski, Alexandru Mancas (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Natasza Siódmiak, Jiri Doubek, Piotr Sybilski, Emma Kerr, Alexandru Mancas, Emiliano Cordelli (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Yuk Chi Chan, David Dubinsky, Ushantha Wanigaratne (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Patrick Seitzer, J. Anthony Tyson (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Zhuangbin Tan, Yang Yang, Yan Zhang, Xin Zhang (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Erkai Watson, Nathanael Durr, Martin Schimmerohn (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Alfredo M. Antón, Keiran Mcnally, Diego Ramirez, Duncan Smith, James Dick (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Cristian Greco, Luis Sánchez, Matteo Manzi, Massimiliano Vasile (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
George Kyriakopoulos, Photini Pazartzis, Anthi Koskina, Crystalie Bourcha (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
The technical challenges posed on the SST services by the “New Space” Era, the Italian point of view
Carlo Albanese, Alessio Di Mare, Andrea Cecchini, Alessandro Panico, Moreno Peroni (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Sophie Laurens, Morgane Jouisse, Pierre Seimandi (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Rasit Abay, Francisco Caldas, Mariana A. Filipe, Marta Guimaraes, Hugo Lopes, Nuno Sebastiao (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Tadanori Fukushima, Kazuma Adachi, Daisuke Hirata, Yuki Itaya, Jun Yamada, Katsuhiko Tsuno, Takayo Ogawa, Satoshi Wada, Toshikazu Ebisuzaki (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Camille Bentaj, Thierry Antoun, Jérémie Vaubaillon, Alexis Petit, Romain Lucken, Florent Delefie, Damien Giolito (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Michael Steindorfer, Peiyuan Wang, Georg Kirchner, Franz Koidl (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Colin Miller, Carolin Frueh (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Benedetta M. Cattani, Antonio Caiazzo, Stijn Lemmens, Luisa Innocenti (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Benedetta M. Cattani, Tiago Soares, Sara Morales Serrano, Nicolas Thiry, Daniel Briot, Saturnino Val Serra (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Marielle M. Pellegrino, Daniel Scheeres, Brett Streetman (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Hakim Abdulhamid, Dylan Bouat, Anthony Collé, Jonathan Lafite, Jérôme Limido, Iko Midani, Jean-michel Papy, Christian Puillet, Martin Spel, Thomas Unfer, Pierre Omaly (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Gabriele Falco, Federico Toso, Andrew Ratcliffe, Noelia Sánchez-ortiz (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Chris Ostrom, John N. Opiela (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Nina Maric, Noelia Sánchez-ortiz, María Jesus Enriquez Pabon, Benjamín Murcia Sánchez, Jaime Nomen Torres, Laura Pedrouzo Rodriguez, Tim Flohrer, Jan Siminiski (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Vincent Ruch, Romain Serra, Pierre Omaly, Juan Carlos Dolado Perez (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Heiko Dreyer, Stefan Scharring, Jens Rodmann, Wolfgang Riede, Christoph Bamann, Tim Flohrer, Srinivas Setty, Andrea Di Mira, Emiliano Cordelli (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Lorenz Böttcher, Jonas Radtke, Gennaro Principe, Alessandro Vananti, Enrico Stoll (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Serkan Dural, Uzay Tugcular, Berkay Daser (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Despoina K. Skoulidou, Stijn Lemmens (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Despoina K. Skoulidou, Francesca Letizia, Stijn Lemmens (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Vishnu Anand Muruganandan, Andrew Lambert, Richard Clare, Steve Weddell (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Irina F. Stroe, Andrei D. Stanculescu, Paul B. Ilioaica, Diego Escobar Antón, Jesús Tirado Velez, Bogdan Bija (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Volker Schaus, Francesca Letizia, Benjamí Bastida Virgili, Stijn Lemmens (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Xanthi Oikonomidou, Vitali Braun, Stijn Lemmens (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office
Guillermo Escribano, Alejandro Pastor, Jan Siminski, Diego Escobar, Manuel Sanjurjo (2021) In: 8th European Conference on Space Debris, 20 April 2021 - 23 April 2021, Darmstadt, Germany, published by ESA Space Debris Office