Speaker
Description
The European Space Agency (ESA)’s Lunar Meteoroid Impact Observer (LUMIO) mission represents a cutting-edge advancement in understanding the meteoroid environment around the Earth-Moon system. Lead by Politecnico di Milano (PoliMi) and supported by the Italian Space Agency (ASI), the Norwegian Space Agency (NOSA), United Kingdom Space Agency (UKSA), and Swedish National Space Agency (SNSA), LUMIO is a 12U (20 cm × 20 cm × 30 cm) CubeSat that will be deployed in a quasi-halo orbit around the Earth-Moon L2 point [1]. Scheduled for launch in 2027 following the successful completion of its design and testing phases, LUMIO’s primary objective is to monitor and characterize Lunar Impact Flashes (LIFs) on the farside on the Moon, an area currently unobservable from Earth that avoid ambient light from sunlight reflected by the Earth. This mission leverages the LUMIO-Cam, a highly sensitive optical instrument operating in the visible and near-infrared spectrum (450-950 nm), enabling precise detection and analysis of meteoroid impact flashes [2].
After the successful completion of Phase B in late 2023, the approval of the following phases by ESA marks a critical milestone for the project. Over the coming years, the detailed design and CubeSat development will continue during Phases C and D, culminating in Phase E, which includes the satellite’s launch and operation on 2027/2028.
LUMIO’s operations will address fundamental questions about meteoroid populations and their interaction with the Moon, specifically focusing on filling the current knowledge gap concerning impactors in the millimeter to decimeter size range [3]. By characterizing the spatial and temporal distribution of impacts, the mission will contribute to refining current meteoroid flux models, which are crucial for both space exploration safety and planetary defense. LUMIO’s compact form-factor and autonomous navigation technologies demonstrate the potential of CubeSats in deep space exploration, offering scalable solutions for future missions. Its observations will complement Earth-based studies restricted to the lunar nearside, thus providing a global view of the lunar meteoroid environment.
This work presents recent advancements in modeling the meteoroid environment within the EarthMoon system, aimed at enhancing predictions of LUMIO’s observations. We also detail our latest efforts to link LIF to their sources, such as meteoroid streams or the sporadic background. Furthermore, an update on the LUMIO CubeSat design is provided, highlighting progress in both ongoing scientific activities and the development of the mission payload. Overall, LUMIO’s capabilities hold significant potential for contributing to the field of planetary defense. Two key contributions stand out:
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LUMIO’s real-time detection of meteoroid impacts on the lunar farside will be synchronized with NASA’s Lunar Reconnaissance Orbiter (LRO) [4]. This synergy will allow for precise identification and follow-up analysis of fresh impact craters. By correlating optical observations with LRO’s high-resolution imaging, LUMIO will help validate impact models and enhance understanding of hypervelocity cratering process.
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LUMIO is uniquely positioned to observe the asteroid Apophis during its near-Earth flyby in 2029. This event presents a rare opportunity to study the interaction of a potentially hazardous object with the Earth-Moon system. LUMIO’s instrument will be capable of observing Apophis for nearly one month before its close encounter and 2-3 days after it.
Comments:
Oral presentation preferred, will be attending in person
References
[1] A. M. Cipriano, D. A. Dei Tos, F. Topputo, Orbit Design for LUMIO: the Lunar Meteoroid Impacts Observer, Frontiers in Astronomy and Space Sciences 5 (2018) 29.
[2] F. Topputo, G. Merisio, V. Franzese, C. Giordano, M. Massari, G. Pilato, D. Labate, A. Cervone, S. Speretta, A. Menicucci, E. Turan, E. Bertels, J. Vennekens, R. Walker, D. Koschny, Meteoroids detection with the LUMIO lunar CubeSat, Icarus 389 (2023) 115213.
[3] R. M. Suggs, D. E. Moser, W. J. Cooke, R. J. Suggs, The flux of kilogram-sized meteoroids from lunar impact monitoring, Icarus 238 (2014) 23–36.
[4] M. S. Robinson, S. M. Brylow, M. Tschimmel, D. Humm, S. J. Lawrence, P. C. Thomas, B. W. Denevi, E. Bowman-Cisneros, J. Zerr, M. A. Ravine, M. A. Caplinger, F. T. Ghaemi, J. A. Schaffner, M. C. Malin, P. Mahanti, A. Bartels, J. Anderson, T. N. Tran, E. M. Eliason, A. S. McEwen, E. Turtle, B. L. Jolliff, H. Hiesinger, Lunar Reconnaissance Orbiter Camera (LROC) Instrument Overview, Space Science Reviews 150 (2010) 81–124.