Michael W. Busch
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View article: Shape modelling contact binaries 2024 ON and 2000 RS11 with ground-based radar
Shape modelling contact binaries 2024 ON and 2000 RS11 with ground-based radar Open
IntroductionBilobed objects (contact binaries) appear in both asteroid and comet populations with a bimodal mass distribution and bifurcated shape. They are common in both near-Earth asteroid populations, estimated from radar imaging to be…
View article: Shape and spin state model of contact binary (388188) 2006 DP14using combined radar and optical observations
Shape and spin state model of contact binary (388188) 2006 DP14using combined radar and optical observations Open
Contact binaries are found throughout the solar system. The recent discovery of Selam, the satellite of MBA (152830) Dinkinesh, by the NASA LUCY mission has made it clear that the term ‘contact binary’ covers a variety of different types o…
View article: Radar and Optical Observations and Physical Modeling of Binary Near-Earth Asteroid 2018 EB
Radar and Optical Observations and Physical Modeling of Binary Near-Earth Asteroid 2018 EB Open
We report radar, photometric, and visible-wavelength spectrophotometry observations of NEA 2018 EB obtained in 2018. The radar campaign started at Goldstone (8560 MHz, 3.5 cm) on April 7, and it was followed by more extensive observations …
View article: Physical modelling of near-Earth asteroid (23187) 2000 PN9 with ground-based optical and radar observations
Physical modelling of near-Earth asteroid (23187) 2000 PN9 with ground-based optical and radar observations Open
We present a physical model and spin-state analysis of the potentially hazardous asteroid (23187) 2000 PN9. As part of a long-term campaign to make direct detections of the Yarkovsky–O’Keefe–Radzievskii–Paddack (YORP) effect, we collected …
View article: Physical modelling of near-Earth asteroid (23187) 2000 PN9 with ground-based optical and radar observations
Physical modelling of near-Earth asteroid (23187) 2000 PN9 with ground-based optical and radar observations Open
We present a physical model and spin-state analysis of the potentially hazardous asteroid (23187) 2000 PN9. As part of a long-term campaign to make direct detections of the YORP effect, we collected optical lightcurves of the asteroid betw…
View article: ALMA Observations of the DART Impact: Characterizing the Ejecta at Sub-Millimeter Wavelengths
ALMA Observations of the DART Impact: Characterizing the Ejecta at Sub-Millimeter Wavelengths Open
We report observations of the Didymos-Dimorphos binary asteroid system using the Atacama Large Millimeter/Submillimeter Array (ALMA) and the Atacama Compact Array (ACA) in support of the Double Asteroid Redirection Test (DART) mission. Our…
View article: The Future of Planetary Defense in the Era of Advanced Surveys
The Future of Planetary Defense in the Era of Advanced Surveys Open
International audience
View article: Near-Earth Object Characterization Using Ground-Based Radar Systems
Near-Earth Object Characterization Using Ground-Based Radar Systems Open
Ground-based planetary radar systems are a crucial tool for post-discovery high-precision astrometry and physical characterization of near-Earth asteroids and comets.Radar ranging and imaging capabilities exceed those of any other ground-b…
View article: Near-Earth Objects
Near-Earth Objects Open
International audience
View article: Planetary Radar Astronomy with Ground-Based Astrophysical Assets
Planetary Radar Astronomy with Ground-Based Astrophysical Assets Open
Satisfying federal mandates requires continued and expanded support of planetary radar programs, upgrades to the facilities that host the planetary radar systems, and adequate communication between Congress and all relevant agencies that m…
View article: Goldstone Radar Observations of Horseshoe-orbiting Near-Earth Asteroid 2013 BS45, a Potential Mission Target
Goldstone Radar Observations of Horseshoe-orbiting Near-Earth Asteroid 2013 BS45, a Potential Mission Target Open
We report radar observations of near-Earth asteroid 2013 BS45 obtained during the 2013 apparition. This object is in a resonant, Earth-like orbit, and it is a backup target for NASA’s NEA Scout mission. 2013 BS45 belongs to the Arjuna orbi…