Journal / Conference Papers
Constant, C., Bhattarai, S., Brownhall, I., Aruliah, A., Ziebart, M. Evaluating Near-Real-Time Thermospheric Density Retrieval Methods from Precise Low Earth Orbit Spacecraft Ephemerides During Geomagnetic Storms. arXiv preprint arXiv:2408.16805, submitted, under review, 2024.
Brownhall, I., Lifson, M., Constant, C., Lavezzi, G., Harris, M. F., Linares, M., Ziebart, M., Bhattarai, S. MOCAT-pySSEM: An open-source Python library and user interface for orbital debris and source–sink environmental modeling. SoftwareX 30(6667):102062, March 2025. DOI: 10.1016/j.softx.2025.102062
Peto-Madew, F., Bhattarai, S., Constant, C., Brownhall, I. Investigating the Application of the Orbit Domain Calibration Method in Sun Synchronous Orbits. Proceedings of the 9th European Conference on Space Debris, ESA Space Debris Office, 4 Apr 2025. PDF
Constant, C., Bhattarai, S., Brownhall, I., Ziebart, M. Limitations of Current Practices in Uncooperative Space Surveillance: Analysis of Mega-Constellation Data Time-Series. Proceedings of the AMOS Conference, 2023. Abstract
Conference Talks / Posters
Constant, C., Brownhall, I., Aguilar, L., Dable, E., Ziebart, M., Aruliah, A., Bhattarai, S. Thermospheric Response and Operational Impacts During the 2024 “Mother’s Day” Geomagnetic Storm. European Space Weather Week, 2024. Poster
Constant, C., Hanson, B., Bhattarai, S., Brownhall, I., Ziebart, M. An Evaluation of Physics-Based Force Model Performance in Low Earth Orbit: Implications for Next-Generation Space Traffic Management. Committee on Space Research (COSPAR), 2024. Interactive Results & Presentation
Bhattarai, S., Brownhall, I., Constant, C., Peto-Madew, F., Rotheram, E. Orbit Domain Calibration for Space Surveillance & Tracking (ODC4SST): Design Concept, Network Selection & Initial Validation Tests. Committee on Space Research (COSPAR), 2024.
Brownhall, I., Lifson, M., Constant, C., Lavezzi, G., Harris, M. F., Linares, M., Ziebart, M., Bhattarai, S. MOCAT-PYSSEM: An Open-Source Python Library and User Interface for Orbital Debris and Source–Sink Environmental Modelling. Committee on Space Research (COSPAR), 2024. Link
Constant, C., Bhattarai, S., Ziebart, M. Limitations of Current Practices in Uncooperative Space Surveillance: Analysis of Mega-Constellation Data Time-Series. AMOS, 2023. Poster • 3-min Presentation
Constant, C., Bhattarai, S., Brownhall, I., Ziebart, M. Astrodynamics and Space Geodesy for Space Domain Awareness and Sustainability. Global Network on Sustainability in Space (GNOSIS), 2022. Poster