The existence of a hypothetical Planet Nine lurking in the outer solar system has been invoked as a plausible explanation for the anomalous clustering in the...
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PublicationA Candidate Location for Planet Nine from an Interstellar Meteoroid: The Messenger Hypothesis
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PublicationApophis Planetary Defense Campaign
We describe results of a planetary defense exercise conducted during the close approach to Earth by the near-Earth asteroid (99942) Apophis during 2020 December...
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NewsAstronomers confirm a new “Trojan” asteroid that shares an orbit with Mars
Using observations made with the Gran Telescopio Canarias (GTC) a study led from the Instituto de Astrofísica de Canarias (IAC) and the Universidad Complutense...
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PublicationDetection of the Irregular Shape of the Southern Limb of Menoetius from Observations of the 2017-2018 Patroclus-Menoetius Mutual Events
This work presents the analysis of seven mutual events of the Patroclus-Menoetius system (PMS) observed during the last season of mutual events, in 2017-2018...
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NewsNailing Bennu's colors to the mast: new findings on the origin of this primitive body
Science magazine, in a special collection on asteroid Bennu, has published the results of the analysis of photometric-spectrum color variations on the surface...
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PublicationOpposition Observations of 162173 Ryugu: Normal Albedo Map Highlights Variations in Regolith Characteristics
On 2019 January 8, the Telescopic Optical Navigation Camera (ONC-T) on board the Hayabusa2 spacecraft observed the Cb-type asteroid 162173 Ryugu under near...
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PublicationPhotometry of the Didymos System across the DART Impact Apparition
On 2022 September 26, the Double Asteroid Redirection Test (DART) spacecraft impacted Dimorphos, the satellite of binary near-Earth asteroid (65803) Didymos...
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PublicationSynchronous Rotation in the (136199) Eris-Dysnomia System
We combine photometry of Eris from a 6 month campaign on the Palomar 60 inch telescope in 2015, a 1 month Hubble Space Telescope WFC3 campaign in 2018, and Dark...
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PublicationThe Changing Rotational Light-curve Amplitude of Varuna and Evidence for a Close-in Satellite
From CCD observations carried out with different telescopes, we present short-term photometric measurements of the large trans-Neptunian object Varuna in 10...