All files for the proceedings are stored in Adobe PDF format. The proceedings from this workshop will not be published in hardcopy form. To cite a paper from the workshop, please use the following format:
<<Author name(s)>>, <<Paper Title>>, <<Abstract Number>>, presented at the 23rd International Workshop on Laser Ranging, Held Virtually, October 16-20, 2023.
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Monday, October 16:
12:00-12:15 UTC
08:00-08:15 EDT
2023 IWLR
Opening Remarks
Pearlman, Merkowitz, Carabajal, Others
ILRS CB/ILRS GB, Organizing Committee
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Session 1: Scientific Analysis of SLR Observations: Past, Current and Future Challenges and Possibilities
Chairs: Mathis Bloßfeld, David Sarrocco, Frank Lemoine |
| 12:15-12:30 UTC |
08:15-08:30 EDT |
S01-01 |
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The Influence of Geodetic Satellite Orbital Parameters on the Quality of Global Geodetic Parameters |
Joanna Najder (1), Krzysztof Sosnica (1), Radoslaw Zajdel (1) |
(1) Institute of Geodesy and Geoinformatics, Wroclaw University of Environmental and Life Sciences, Poland |
Contributed |
| 12:30-12:45 UTC |
08:30-08:45 EDT |
S01-02 |
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Histogram calculations for Laser Ranging |
David Arnold (1) |
(1) Smithsonian Astrophysical Observatory (retired), USA |
Contributed |
| 12:45-13:00 UTC |
08:45-09:00 EDT |
S01-03 |
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LARES-2 Centre of Mass Corrections |
José Rodriguez (1), Graham Appleby (2), Reinhart Neubert(3), Toshimichi Otsubo (4), Andreja Susnik (2) |
(1) IGN-Yebes, Yebes, Spain, (2) NERC Space Geodesy Facility, Herstmonceux, UK, (3) Geoforschungszentrum Potsdam (retired), Potsdam, Germany, (4) Hitotsubashi University, Tokyo, Japan |
Contributed |
| 13:00-13:15 UTC |
09:00-09:15 EDT |
S01-04 |
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Application of ITRS 2020 Realizations for SLR POD |
Mathis Bloßfeld (1), Manuela Seitz (1), Julian Zeitlhöfler (1), Sergei Rudenko (1), Matthias Glomsda (1), Alexander Kehm (1) |
(1) DGFI-TUM, Munich, Germany |
Contributed |
| 13:15-13:30 UTC |
09:15-09:30 EDT |
S01-05 |
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Improving Low-Degree Gravity Estimates with Future SLR Satellites |
Evan Tucker (1) Steve Nerem (1), Bryant Loomis (2) |
(1) University of Colorado, USA, (2) NASA GSFC, USA |
Invited |
| 13:30-13:45 UTC |
09:30-09:45 EDT |
S01-06 |
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Implementation and Validation of a Novel Representation of the Gravitational Effect of Ocean Tides. |
Alexander Kehm (1), Mathis Bloßfeld (1), Michael Hart-Davis (1), Henryk Dobslaw (2), Torsten Mayer-Guerr (3) |
(1) DGFI-TUM, Munich, Germany, (2) Geoforschungszentrum Potsdam, Potsdam, Germany, (3) Graz University of Technology, Graz, Austria. |
Contributed |
| 13:45-14:00 UTC |
09:45-10:00 EDT |
S01-07 |
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The G4S_2.0 Project: State of the Art and SLR Campaign |
Feliciana Sapio (1,2), David Lucchesi (2), Massimo Visco (2), Alessandro Di Marco (2), Marco Cinelli (2), Emiliano Fiorenza (2), Carlo Lefevre (2), Pasqualino Loffredo (2), Marco Lucente (2), Carmelo Magnafico (2), Roberto Peron (2), Francesco Santoli (2), Francesco Vespe (2) |
(1) National Institute for Astrophysics (IAPS/INAF) Roma, Italy, (2) G4S 2.0 collaboration |
Contributed |
| 14:00-14:15 UTC |
10:00-10:15 EDT |
S01-08 |
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Improvements in the SLR Processing of the Copernicus Sentinel-3/6 Missions |
Carlos Fernández (1), Marc Fernández (1), Heike Peter (2), Pierre Féménias (3), Carolina Nogueira Loddo (4) |
(1) GMV AD., Isaac Newton 11, 28760 Tres Cantos, Spain, (2) PosiTim UG, In den Löser 15, 64342 Seeheim-Jugenheim, Germany, (3) ESA/ESRIN, Largo Galileo Galilei 1, I-00044 Frascati, Italy, (4) EUMETSAT, Eumetsat Allee 1, 64295 Darmstadt, Germany. |
Contributed |
| 14:15-14:30 UTC |
10:15-10:30 EDT |
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Discussion |
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Tuesday, October 17:
Session 2: New Technologies and Operations
Chairs: Matt Wilkinson, Jeff Dorman |
| 12:30-12:45 UTC |
08:30-08:45 EDT |
S02-01 |
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Eventech Update on Timing and Time-Tagging Technologies |
Pavels Razmajevs (1) |
(1) Eventech, Latvia |
Contributed |
| 12:45-13:00 UTC |
08:45-09:00 EDT |
S02-02 |
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First results with Eventech Stream Time Tagger in Full Record Mode |
Kalvis Salmins (1), V. Bespalko(2), V. Stepanovs(2), R. Suna(3) |
(1) Institute of Astronomy University of Latvia, Latvia, (2) Eventech, (3) Luleå University of Technology, Sweden |
Contributed |
| 13:00-13:15 UTC |
09:00-09:15 EDT |
S02-03 |
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Hybrid Photodetector as Sensor for SLR: First Results |
Kalvis Salmins (1), J. del Pino (1), J. Kaulins (1) |
(1) Institute of Astronomy University of Latvia, Latvia |
Contributed |
| 13:15-13:30 UTC |
09:15-09:30 EDT |
S02-04 |
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Acoustic Positioning System of Closely-Flying Aircraft for SLR Eye Safety |
Toshimichi Otsubo (1), Mihoko Kobayashi (1), Yusuke Yokota (2), Kenji Kouno (3), Hiroshi Araki (4) |
(1) Hitotsubashi University, Kunitachi, Japan, (2) The University of Tokyo, Tokyo, Japan, (3) Institute of Industrial Science, University of Tokyo, Tokyo, Japan, (4) NAOJ, Mitaka, Japan |
Contributed |
| 13:30-13:45 UTC |
09:30-09:45 EDT |
S02-05 |
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Detection of Aircraft in Nighttime All-Sky Images Using Deep Learning |
Carlos Hernandez-Fernandez (1), José Rodríguez (2) |
(1) Universidad de Alcala de Henares - IGN-Yebes, Spain, (2) IGN-Yebes, Spain |
Contributed |
| 13:45-14:00 UTC |
09:45-10:00 EDT |
S02-06 |
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Low cost Real-time Cloud Mapping For Evaluation of Laser Acquisition Conditions Developed in Grasse O.G.S. |
Hervé Viot (1) |
(1) Observatoire De La Côte d'Azur, France |
Contributed |
| 14:00-14:15 UTC |
10:00-10:15 EDT |
S02-07 |
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SkyVision: a Whole Sky Monitoring Software for SLR Graz |
Peiyuan Wang (1) |
(1) Space Research Institute, Austrian Academy of Sciences, Austria |
Contributed |
| 14:15-14:25 UTC |
10:15-10:25 EDT |
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Break (10 minutes) |
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| 14:25-14:40 UTC |
10:25-10:40 EDT |
S02-08 |
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Sub-cm Ranging with MiniSLR® |
Felicitas Niebler (1) |
(1) Deutsches Zentrum für Luft- und Raumfahrt |
Contributed |
| 14:40-14:55 UTC |
10:40-10:55 EDT |
S02-09 |
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Tsukuba SLR Station, Current Status 2023 |
Ayano Nakajima (1) |
(1) Japan Aerospace Exploration Agency |
Contributed |
| 14:55-15:10 UTC |
10:55-11:10 EDT |
S02-10 |
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Installation and First Results of the Yebes Laser Ranging Station (YLARA) |
Beatriz Vaquero (1), José Rodríguez (1), José Antonio López-Pérez (1), Adolfo García (1), Jens Steinborn (2), Andre Kloth (2), Steffen Zeidler (2), Sven Bauer (2), Erik Günther (2), Reik Mattner (2) |
(1) Yebes Observatory (IGN/CNIG), Yebes, Spain, (2) DiGOS Potsdam GmbH, Potsdam, Germany |
Contributed |
| 15:10-15:25 UTC |
11:10-11:25 EDT |
S02-11 |
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NASA SLR System Characterization: A Case Study using Ground Tests |
Van Husson (1), Christopher Szwec (1), Peter Dunn (1) |
(1) Peraton, USA |
Contributed |
| 15:25-15:40 UTC |
11:25-11:40 EDT |
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Discussion |
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Wednesday, October 18:
Session 3: Lunar Laser Ranging and Transponders Session
Chairs: Nicholas Colmenares, Clément Courde, Stephen Merkowitz |
| 13:40-14:00 UTC |
09:40-10:00 EDT |
S03-01 |
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Laser Time Transfer in Mission of lunar orbit of CAS |
Wendong Meng (1) |
(1) Shanghai Astronomical Observatory, CAS, Shanghai 200030, PR of China |
Contributed |
| 14:00-14:20 UTC |
10:00-10:20 EDT |
S03-02 |
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LLR System Design with Separate Transmit and Receive Telescopes |
Zhi-Peng Liang (1,2), Jian Gao (1), Xing-Wei HAN (1,3), Cheng-Zhi Liu (1,3) |
(1) Changchun Observatory of National Astronomical Observatories, Chinese Academy of Sciences, Changchun, PR China, (2) University of Chinese Academy of Sciences, Beijing, PR China, (3) Key Laboratory of Space Object and Debris Observation, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, PR China |
Contributed |
| 14:20-14:40 UTC |
10:20-10:40 EDT |
S03-03 |
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Using LLR Data for Testing General Relativity with Focus on the Equivalence Principle |
Jürgen Müller (1), Biskupek L. (1), Singh V. (1, 2), Zhang M. (1, 2) |
(1) Germany Institute of Geodesy (IfE), Leibniz University Hannover, Hannover, Germany, (2) Institute for Satellite Geodesy and Inertial Sensing, German Aerospace Center (DLR), Hannover, Germany |
Invited |
| 14:40-15:00 UTC |
10:40-11:00 EDT |
S03-04 |
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Relativistic Geodesy Utilizing Accurate Time Transfer and the ACES Mission |
Ulli Schreiber (1) |
(1) Technical University of Munich, Germany |
Invited |
| 15:00-15:20 UTC |
11:00-11:20 EDT |
S03-05 |
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Next Generation Lunar Retroflector and the Role of SLR Stations |
Doug Currie (1) |
(1) University of Maryland, College Park, USA |
Invited |
| 15:20-15:40 UTC |
11:20-11:40 EDT |
S03-06 |
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Multipurpose Interplanetary Laser Instrument |
John Degnan (1) |
(1) Independent Consultant. (formerly NASA/Hexagon USF), USA |
Contributed |
| 15:40-16:00 UTC |
11:40-12:00 EDT |
S03-07 |
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Exploring the Impact of Lunar Dust on APOLLO Retroreflector Array LLR Return Rates |
Sanchit Sabhlok (1), James B. R. Battat (2), Nicholas R. Colmenares (3, 4), Daniel P. Gonzales (5), Tom W. Murphy, Jr. (1) |
(1) UC San Diego, CA, USA, (2) Wellesley College, MA, USA, (3) NASA GSFC, MD, USA, (4) Oak Ridge Associated Universities, TN, USA, (5) University of Maryland, Baltimore County, MD, USA |
Invited |
| 16:00-16:15 UTC |
12:00-12:15 EDT |
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Discussion |
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Thursday, October 19:
Session 4: Missions and Applications Session
Chairs: Robert Sherwood, José Carlos Rodríguez |
| 12:00-12:20 UTC |
08:00-08:20 EDT |
S04-01 |
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GENESIS: Co-Location of Geodetic Techniques in Space |
Pacôme Delva (1) |
(1) SYRTE, Observatoire de Paris-PSL, Sorbonne Université, CNRS, LNE, France |
Invited |
| 12:20-12:35 UTC |
08:20-08:35 EDT |
S04-02 |
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Benefits for Geodesy from SLR Tracking of Future GENESIS Mission |
Tomasz Kur (1) |
(1) Institute of Geodesy and Geoinformatics, Wrocław University of Environmental and Life Sciences, Wroclaw, Poland |
Contributed |
| 12:35-12:50 UTC |
08:35-08:50 EDT |
S04-03 |
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Technical Demonstration of Mt.FUJI on HTV-X and Challenge of Attitude Estimation by SLR |
Yuki Akiyama (1) |
(1) Japan Aerospace Exploration Agency, Japan |
Invited |
| 12:50-13:05 UTC |
08:50-09:05 EDT |
S04-04 |
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Applying SLR to a 1U CubeSAT with a Reflector Module mini-Mt.FUJI |
Takanao Ishii (1) |
(1) The e-kagaku Association of Global Science and Education, Japan |
Invited |
| 13:05-13:20 UTC |
09:05-09:20 EDT |
S04-05 |
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ILRS Support for SWOT Mission |
Alexandre Couhert (1), Shailen Desai (2), Sabine Houry (1) |
(1) CNES, France, (2) JPL, USA |
Invited |
| 13:20-13:35 UTC |
09:20-09:35 EDT |
S04-06 |
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Overview of SLR Missions at Shanghai Observatory and Laser Ranging |
Zhien Cheng (1) |
(1) Shanghai Astronomical Observatory of CAS, PRC |
Invited |
| 13:35-13:50 UTC |
09:35-09:50 EDT |
S04-07 |
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Extending ILRS support to 24 BeiDou-3 Satellites - Tracking Performance and Outlook |
Radoslaw Zajdel (1) |
(1) Wroclaw University of Environmental and Life Sciences (UPWr), Poland |
Contributed |
| 13:50-14:05 UTC |
09:50-10:05 EDT |
S04-08 |
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Active Debris Removal by Astroscale-Japan (ADRAS-J): Overview |
Sharon Sara Saji (1) |
(1) Astroscale, UK |
Invited |
| 14:05-14:20 UTC |
10:05-10:20 EDT |
S04-09 |
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NanoFF Mission Operations |
Debdeep Roychowdhury (1) |
(1) Technische Universität Berlin, Germany |
Invited |
| 14:20-14:35 UTC |
10:20-10:35 EDT |
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Discussion |
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Friday, October 20:
Session 5: Space Debris Session
Chairs: Michael Steindorfer, Emiliano Cordelli |
| 12:00-12:15 UTC |
08:00-08:15 EDT |
S05-01 |
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An Update on Space Safety Activities in ESA and on ESA's Zero Debris Approach |
Tim Flohrer (1) |
(1) European Space Agency, ESOC / Head of ESA Space debris office, Italy |
Invited |
| 12:15-12:30 UTC |
08:15-08:30 EDT |
S05-02 |
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Automated Space Debris Observation and Detection With a Low Cost Astronomy Mount |
Michael A. Steindorfer (1), Franz Koidl (1), Daniel Fauland (1), Nadine Trummer (1), Peiyuan Wang (1) |
(1) Space Research Institute, Austrian Academy of Sciences, Austria |
Invited |
| 12:30-12:45 UTC |
08:30-08:45 EDT |
S05-03 |
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The Role of SLR and SSA Observation Campaign Within the ELSA-d Mission |
Sharon Sara Saji (1), Justin Gay-Semenkoff (1) |
(1) Astroscale, UK |
Invited |
| 12:45-13:00 UTC |
08:45-09:00 EDT |
S05-04 |
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AGO70 Telescope: Demonstration of Passive Optical System Supporting SLR Tracking of Space Debris on LEO |
Jiri Silha (1) , Matej Zigo (1), Michael Steindorfer (2) |
(1) Comenius University Bratislava, Slovakia, (2) Space Research Institute, Austrian Academy of Sciences, Austria |
Invited |
| 13:00-13:15 UTC |
09:00-09:15 EDT |
S05-05 |
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The Progress of Space Debris Laser Ranging at Shanghai SLR Station |
Haifeng Zhang (1), Zhang Zhongping (1) |
(1) Shanghai Astronomical Observatory of CAS, PRC |
Invited |
| 13:15-13:30 UTC |
09:15-09:30 EDT |
S05-06 |
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Study on Space Debris Laser Detection in Kunming Station |
Xiaoyu Pi (1) |
(1) Yunnan Observatories, Chinese Academy of Sciences, PRC |
Invited |
| 13:30-13:45 UTC |
09:30-09:35 EDT |
S05-07 |
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Space Debris Laser Ranging Activities in Zimmerwald |
Thomas Schildknecht (1), Julian Rodriguez (1), Pascal Sauer (2), Pierre Lauber (1), Lucia Kleint (1) |
(1) AIUB, Astronomical University Bern, Switzerland, (2) TU Darmstadt, Germany |
Invited |
| 13:45-14:00 UTC |
09:45-10:00 EDT |
S05-08 |
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The Johannes Kepler Observatory and Laser-Space Debris Related Activities |
Gerd A. Wagner (1), Wolfgang Riede (1), Thomas Dekorsy (1) |
(1) Deutsches Zentrum für Luft- und Raumfahrt (DLR, German Aerospace Center), Institute of Technical Physics, Stuttgart, Germany |
Invited |
| 14:00-14:15 UTC |
10:00-10:15 EDT |
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Discussion |
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14:15-14:30 UTC
10:15-10:30 EDT
2023 IWLR
Closing Remarks
Pearlman, Merkowitz, Carabajal, Others from the Organizing Committee
ILRS CB/ILRS GB, Organizing Committee
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