DGFI-TUM - Zeitlhöfler, Julian

Julian Zeitlhöfler, M.Sc.

Deutsches Geodätisches Forschungsinstitut und
Lehrstuhl für Geodätische Geodynamik (Prof. Seitz)

Postadresse
Arcisstr. 21
80333 München

Tel.: +49 (89) 289-23735
julian.zeitlhoefler@tum.de

Research Area

Precise Orbit Determination, Satellite Laser Ranging (SLR), Doppler Orbitography by Radiopositioning Integrated on Satellite (DORIS)

Academic Career

since 10/2019, Research associate at Deutsches Geodätisches Forschungsinstitut der TU München (DGFI-TUM)
10/2016 - 09/2019, Master Degree in Geodäsie und Geoinformation at the Technische Universität München (M.Sc.)
10/2013 - 09/2016, Bachelor Degree in Geodäsie und Geoinformation at the Technische Universität München (B.Sc.)

Publications

2024

Rudenko S., Bloßfeld M., Zeitlhöfler J.: DGFI-TUM Associate Analysis Center. In: (Eds.), In: Soudarin L. and Boniface C. (Eds.), International DORIS Service Activity Report 2022, 10.24400/312072/i02-2023.002, 2024

Zeitlhöfler J., Alkahal R., Rudenko S., Bloßfeld M., Seitz F.: Performance assessment of interpolation methods for orbits of altimetry satellites. Earth, Planets and Space, 76, 158, 10.1186/s40623-024-02102-8, 2024

Zeitlhöfler J., Bloßfeld M., Lemoine F. G., Seitz F.: Quality assessment of the nominal attitude model of TOPEX/Poseidon using quaternion data. Advances in Space Research, 10.1016/j.asr.2024.03.031, 2024 (Open Access)

Zeitlhöfler J., Bloßfeld M., Rudenko S.: DGFI-TUM Associate Analysis Center. In: (Eds.), Soudarin L. and Boniface C. (Eds.), International DORIS Service Activity Report 2023, 10.24400/312072/i02-2024.002, 2024

Zelensky N. P., Lemoine F. G., Zeitlhöfler J., Bloßfeld M., Yang X.: TOPEX/Poseidon spacecraft body and solar array quaternions, version 01A (data). Zenodo, 10.5281/zenodo.10795818, 2024

2023

Rudenko S., Bloßfeld M., Zeitlhöfler J.: DGFI-TUM Associate Analysis Center. In: Soudarin L. and Ferrage P. (Eds.), International DORIS Service Activity Report 2021, 10.24400/312072/i02-2023.001, 2023

Rudenko S., Dettmering D., Zeitlhöfler J., Alkahal R., Upadhyay D., Bloßfeld M.: Radial orbit errors of contemporary altimetry satellite orbits. Surveys in Geophysics, 44, 705-737, 10.1007/s10712-022-09758-5, 2023 (Open Access)

Rudenko S., Zeitlhöfler J., Bloßfeld M.: DGFI-TUM DSO1 orbits of altimetry satellites TOPEX/Poseidon, Jason-1, Jason-2 and Jason-3 derived from SLR data in the SLRF2014 reference frame (data). Deutsches Geodätisches Forschungsinstitut, Zenodo, 10.5281/zenodo.7441352, 2023 (Open Access)

Seitz M., Bloßfeld M., Angermann D., Glomsda M., Rudenko S., Zeitlhöfler J., Seitz F.: DTRF2020: ITRS 2020 realization of DGFI-TUM (data). Zenodo, 10.5281/zenodo.8220524, 2023 (Open Access)

Zeitlhöfler J., Bloßfeld M., Rudenko S., Dettmering D., Seitz F.: Station-dependent satellite laser ranging measurement corrections for TOPEX/Poseidon. Advances in Space Research, 71(1), 975-996, 10.1016/j.asr.2022.09.002, 2023

2021

Rudenko S., Bloßfeld M., Zeitlhöfler J.: DGFI-TUM Associate Analysis Center. In: Soudarin L. and Ferrage P. (Eds.), International DORIS Service Activity Report 2019-2020, 2021

2020

Bloßfeld M., Zeitlhöfler J., Rudenko S., Dettmering D.: Observation-Based Attitude Realization for Accurate Jason Satellite Orbits and Its Impact on Geodetic and Altimetry Results. Remote Sensing, 12(4), 682, 10.3390/rs12040682, 2020

(Open Access)

Posters/Presentations

2024

Rudenko S., Dettmering D., Bloßfeld M., Zeitlhöfler J.: Impact of new Earth’s time-variable gravity field models on orbits of altimetry satellites. European Geosciences Union General Assembly 2024, Vienna, Austria, 10.5194/egusphere-egu24-5715, 2024 (Poster)

Bloßfeld M., Seitz M., Sánchez L., Angermann D., Kehm A., Glomsda M., Rudenko S., Zeitlhöfler J.: Reference systems research - highlights (from the DGFI-TUM perspective) -. FGS Workshop 2024, Bad Kötzting, 2024

Bloßfeld M., Zeitlhöfler J., Neidhardt A., Plötz C., Klügel T.: P7: The application of time in closure as a novel strategy towards error-free space geodetic observations. DFG Research Unit FOR 5456 Status Seminar, Hannover, Germany, 2024

Bloßfeld M., Zeitlhöfler J., Rudenko S., Seitz M.: Application of ITRS 2020 realizations for the SLR-based POD of selected geodetic and Earth-observing satellites. European Geosciences Union General Assembly 2024, Vienna, Austria, 10.5194/egusphere-egu24-5385, 2024

Rudenko S., Dettmering D., Bloßfeld M., Zeitlhöfler J., Kehm A. : Progress in precise orbit determination of altimetry satellites. Symposium on '30 years of Progress in Radar Altimetry', Montpellier, France, 2024

Seitz M., Bloßfeld M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J., Seitz F.: First results of the analysis of the input data series provided by the IAG technique services for the extension of xTRF2020. IERS Directing Board Meeting, Vienna, Austria and online, 2024

Seitz M., Bloßfeld M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J.: DTRF2020 update: challenges and first results. IDS Workshop, Montpellier, France, 10.24400/312072/i03-2024.3908, 2024

Seitz M., Bloßfeld M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J.: First results of the analysis of the input data series provided by the IAG technique services for the extension of xTRF2020. European Geosciences Union General Assembly 2024, Vienna, Austria, 10.5194/egusphere-egu24-5732, 2024

Zeitlhöfler J., Bloßfeld M., Neidhardt A., Eckl J.: Identification of system-specific observation errors for SLR and VLBI telescopes at GOW. European Geosciences Union General Assembly 2024, Vienna, Austria, 10.5194/egusphere-egu24-10691, 2024

Zeitlhöfler J., Bloßfeld M., Neidhardt A.: RU Clock Metrology – P7: Status report. FOR5456 Status-Splintermeeting @ EGU, DFG Research Unit FOR 5456 ‘Clock Metrology: Time as a New Variable in Geodesy’, Vienna, Austria, 2024

Zeitlhöfler J., Bloßfeld M., Rudenko S.: Precise orbit determination of altimetry satellites using DORIS and SLR observations in different reference frame realisations. IDS Workshop, Montpellier, France, 2024

Zeitlhöfler J., Bloßfeld M., Rudenko S.: Recent POD-related activities at DGFI-TUM. IDS Analysis Working Group Meeting, online, 2024

2023

Bloßfeld M., Seitz M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J.: DTRF2020 EOP series. 28th IUGG GA, Berlin, Germany, 2023 (Poster)

Bloßfeld M., Seitz M., Zeitlhöfler J., Rudenko S., Glomsda M., Kehm A.: Application of ITRS 2020 realizations for SLR POD. ILRS 2023 Virtual International Workshop on Laser Ranging, International Laser Ranging Service (ILRS), online, 2023

Bloßfeld M., Zeitlhöfler J., Rudenko S.: On the recent activities of the IDS Associate Analysis Center at DGFI-TUM. IDS Analysis Working Group Meeting, online, 2023

Rudenko S., Bloßfeld M., Dettmering D., Zeitlhöfler J.: Evaluation of ITRS 2020 realizations for precise orbit determination of altimetry satellites. IDS Analysis Working Group Meeting, Saint-Mandé, Paris, France, 2023

Rudenko S., Bloßfeld M., Zeitlhöfler J., Kehm A., Dettmering D.: Impact of SLR long-term mean range biases on the orbits of altimetry satellites when using ITRS 2020 realizations. The General Assembly 2023 of the European Geosciences Union (EGU), Vienna, Austria and online, 10.5194/egusphere-egu23-11703, 2023 (Poster)

Rudenko S., Dettmering D., Bloßfeld M., Zeitlhöfler J.: Evaluation of the ITRS 2020 realizations for POD of altimetry satellites. 2023 Ocean Surface Topography Science Team Meeting, San Juan, Puerto Rico, 2023

Seitz M., Bloßfeld M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J., Schwatke C., Seitz F.: New website of the ITRS Combination Center at DGFI-TUM: dtrf.dgfi.tum.de. EGU General Assembly 2023, Vienna, Austria and online, 10.5194/egusphere-egu23-12089, 2023 (Poster)

Seitz M., Bloßfeld M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J., Seitz F., Wu H.: Analysis of DTRF2020 parameters with respect to accuracy and long-term stability. 28th IUGG GA, Berlin, Germany, 2023

Seitz M., Bloßfeld M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J., Seitz F.: DTRF2020: strategy, results and data set. EGU General Assembly 2023, Vienna, Austria and online, 10.5194/egusphere-egu23-12029, 2023

Seitz M., Bloßfeld M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J., Seitz F.: Status of DTRF2020. IERS Directing Board Meeting, Vienna, Austria, 2023

Zeitlhöfler J., Bloßfeld M., Neidhardt A., Seitz F.: P7: The application of time in closure as a novel strategy towards error-free space geodetic observations. DFG Research Unit FOR5456 “Clock Metrology for Earth System Research” Status Seminar 1, Technical University of Munich (TUM), Munich, Germany, 2023

Zeitlhöfler J., Bloßfeld M., Rudenko S.: Current status of DORIS POD at DGFI-TUM. IDS Analysis Working Group Meeting 2023, Saint Mandé, Paris, 2023

2022

Bloßfeld M., Seitz M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J., Seitz F.: DTRF2020 - the ITRS 2020 realization of DGFI-TUM. FGS Begutachtung 2022, Bad Kötzting, Germany, 2022

Rudenko S., Bloßfeld M., Kehm A., Dettmering D., Zeitlhöfler J., Glomsda M., Angermann D., Seitz M.: Precise orbit determination of SLR and altimetry satellites using ITRS2020 realizations. The 22nd International Workshop on Laser Ranging, Guadalajara, Spain and online, 2022

Rudenko S., Bloßfeld M., Zeitlhöfler J., Kehm A., Dettmering D., Glomsda M., Angermann D., Seitz M.: Application of the ITRS2020 realizations for precise orbit determination of SLR and altimetry satellites. IAG International Symposium on Reference Frames for Applications in Geosciences (REFAG 2022), Thessaloniki, Greece, 2022

Rudenko S., Bloßfeld M., Zeitlhöfler J.: Recent activities on orbit determination for altimetry satellites at DGFI-TUM. IDS Analysis Working Group Meeting, online, 2022

Rudenko S., Dettmering D., Bloßfeld M., Zeitlhöfler J., Alkahal R.: On the accuracy of contemporary orbits of altimetry satellites in the radial direction. 2022 Ocean Surface Topography Science Team Meeting, Venice, Italy, 2022

Schmidt M., Zeitler L., Zeitlhöfler J., Corbin A., Vielberg K., Rudenko S., Bloßfeld M., Löcher A., Kusche J.: A comparison of scale factors for the thermospheric density from satellite laser ranging and accelerometer measurements. SPP 1788 „Dynamic Earth“ Final Colloquium, Kühlungsborn, Germany, 2022 (Poster)

Schmidt M., Zeitlhöfler J., Zeitler L., Corbin A., Kusche J., Stolle C., Xiong C., Hugentobler U., Bamann C., Rudenko S., Bloßfeld M., Vielberg K., Löcher A.: Development of High-Precision Thermosphere Models for Improving Precise Orbit Determination of Low-Earth-Orbiting Satellites (TIPOD) – Status Report. SPP 1788 „Dynamic Earth“ Final Colloquium, Kühlungsborn, Germany, 2022 (Poster)

Schmidt M., Zeitlhöfler J., Zeitler L., Corbin A., Vielberg K., Löcher A., Rudenko S., Bloßfeld M., Kusche J.: A comparison of scale factors for the thermospheric density derived from Satellite Laser Ranging and Accelerometer Measurements to LEO satellites. 2nd Symposium of IAG Commission 4 Positioning and Applications, Potsdam, Germany, 2022

Seitz M., Angermann D., Bloßfeld M., Glomsda M., Rudenko S., Zeitlhöfler J., Seitz F.: DTRF2020: the ITRS 2020 realization of DGFI-TUM. Frontiers of Geodetic Science (FroGS), Essen, Germany, 2022

Seitz M., Angermann D., Bloßfeld M., Glomsda M., Rudenko S., Zeitlhöfler J.: DTRF2020: first results. Unified Analysis Workshop 2022, Thessaloniki, Greece, 2022

Seitz M., Angermann D., Bloßfeld M., Glomsda M., Rudenko S., Zeitlhöfler J.: DTRF2020: the ITRS 2020 realization of DGFI-TUM. IDS Workshop, Venice, Italy, 2022

Seitz M., Angermann D., Bloßfeld M., Glomsda M., Rudenko S., Zeitlhöfler J.: DTRF2020: the ITRS 2020 realization of DGFI-TUM. IAG International Symposium on Reference Frames for Applications in Geosciences (REFAG 2022), Thessaloniki, Greece, 2022

Seitz M., Angermann D., Glomsda M., Bloßfeld M., Rudenko S., Zeitlhöfler J.: The ITRS 2020 realization of DGFI-TUM: DTRF2020. EGU General Assembly 2022, Vienna, Austria, 10.5194/egusphere-egu22-6932, 2022

Seitz M., Bloßfeld M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J., Seitz F.: DTRF2020: the ITRS 2020 realization of DGFI-TUM. The 22nd International Workshop on Laser Ranging, Guadalajara, Spain and online, 2022

Seitz M., Bloßfeld M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J., Seitz F.: DTRF2020: the ITRS 2020 realization of DGFI-TUM. 22nd International Workshop on Laser Ranging, ILRS, Guadalajara, Spain, 2022

Seitz M., Bloßfeld M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J., Seitz F.: DTRF2020: the ITRS 2020 realization of DGFI-TUM. AGU GA 2022, Chicago, USA, 2022

Zeitlhöfler J., Bloßfeld M., Rudenko S., Dettmering D., Seitz F.: Station-dependent satellite laser ranging measurement corrections for TOPEX/Poseidon. Frontiers of Geodetic Science (FroGS), Essen, Germany, 2022

Zeitlhöfler J., Bloßfeld M., Rudenko S., Dettmering D., Seitz F.: Station-dependent satellite laser ranging measurement corrections for TOPEX/Poseidon. 22nd International Workshop on Laser Ranging, ILRS, Guadalajara, Spain and online, 2022

Zeitlhöfler J., Bloßfeld M.: A comparison of different ocean tides models. 22nd International Workshop on Laser Ranging, ILRS, Guadalajara, Spain, 2022

Zeitlhöfler J., Schmidt M., Liu S.: Development of an empirical thermospheric density model to improve the precise orbit determination of low-Earth-orbiting satellites. Frontiers of Geodetic Science (FroGS), Essen, Germany, 2022

2021

Glomsda M., Seitz M., Bloßfeld M., Angermann D., Rudenko S., Zeitlhöfler J.: DTRF2020: the ITRS 2020 realization of DGFI-TUM. Frontiers of Geodetic Science (FROGS), 2021

Rudenko S., Bloßfeld M., Zeitlhöfler J. : Recent activities of the IDS Associate Analysis Center at DGFI-TUM. DORIS Analysis Working Group meeting of the International DORIS Service, online, 2021

Rudenko S., Dettmering D., Bloßfeld M., Zeitlhöfler J., Alkahal R.: On the current accuracy of altimetry satellite orbits. EGU General Assembly 2021, online, EGU21-12148, 2021

Seitz M., Bloßfeld M., Glomsda M., Angermann D., Rudenko S., Zeitlhöfler J.: DTRF2020: the ITRS 2020 realization of DGFI-TUM. AGU 2021 Fall Meeting, online, 2021

Zeitlhöfler J., Bloßfeld M., Rudenko S., Seitz F.: Estimation of station-dependent LRA correction parameters for the TOPEX/Poseidon mission. EGU General Assembly 2021, online, 2021

Zeitlhöfler J., Bloßfeld M., Rudenko S., Seitz F.: Station-dependent laser retroreflector array correction function for TOPEX/Poseidon. Frontiers of Geodetic Science (FroGS), Online, 2021

2020

Angermann D., Zeitlhöfler J.: Lecture 'Geodäsie und Geoinformation'. Berufsinformationsveranstaltung am Gymnasium Raubling, Raubling, Germany, 2020

2019

Bloßfeld M., Rudenko S., Zeitlhöfler J.: Status of the DORIS satellite data processing at DGFI-TUM. IDS Analysis Working Group Meeting, Munich, Germany, 2019

Rudenko S., Bloßfeld M., Zeitlhöfler J.: Status of precise orbit determination of altimetry satellites at DGFI-TUM. Ocean Surface Topography Science Team (OSTST) Meeting 2019, Chicago, Illinois, United States of America, 2019 (Poster)

Rudenko S., Zeitlhöfler J., Bloßfeld M., Dettmering D. : Impact of nominal and measured satellite attitude on SLR- and DORIS-derived orbits of Jason satellites and altimetry results. Ocean Surface Topography Science Team (OSTST) Meeting 2019, Chicago, Illinois, United States of America, 2019

2018

Rudenko S., Bloßfeld M., Dettmering D., Kehm A.,Zeitlhöfler J., Angermann D.: Impact of various models on orbits of Jason satellites. 42nd COSPAR Scientific Assembly, Pasadena, CA, United States of America, 2018

2016

Bloßfeld M., Angermann D., Müller H., Schmid R., Seitz M., Zeitlhöfler J.: Ein Vergleich der aktuellsten ITRS-Realisierungen: ITRF2014, DTRF2014 und JTRF2014. Geodätische Woche 2016, HCU Hamburg, Hamburg, 2016

Deutsches Geodätisches Forschungsinstitut

Prof. Dr.-Ing. habil. Florian Seitz

Technische Universität München
Arcisstraße 21
80333 München