248 citations · 2.9k across the 92 of their papers we have counts for
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Light-curve analysis and shape models of NEAs 7335, 7822, 154244 and 159402
Javier Rodríguez Rodríguez, Enrique Díez Alonso, Santiago Iglesias Álvarez +8
In an attempt to further characterise the near-Earth asteroid (NEA) population we present 38 new light-curves acquired between September 2020 and November 2023 for NEAs (7335) 1989…
Improved models for near-Earth asteroids (2100) Ra-Shalom, (3103) Eger, (12711) Tukmit & (161989) Cacus
Javier Rodríguez Rodríguez, Enrique Díez Alonso, Santiago Iglesias Álvarez +7
We present 24 new dense lightcurves of the near-Earth asteroids (3103) Eger, (161989) Cacus, (2100) Ra-Shalom and (12711) Tukmit, obtained with the Instituto Astrofísico Canarias 8…
Long-lasting activity of asteroid (248370) 2005 QN 173
Oleksandra Ivanova, Javier Licandro, Fernando Moreno +8
We present the results of observations of asteroid (248370) QN obtained during July 2021 - January 2022 with three telescopes. Our analysis revealed the presence of the dus…
A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS measured from stellar occultations
F. L. Rommel, F. Braga-Ribas, J. L. Ortiz +201
This work aims at constraining the size, shape, and geometric albedo of the dwarf planet candidate 2002 MS4 through the analysis of nine stellar occultation events. Using multichor…
Characterization of the ejecta from NASA/DART impact on Dimorphos: observations and Monte Carlo models
Fernando Moreno, Adriano Campo Bagatin, Gonzalo Tancredi +26
The NASA/DART (Double Asteroid Redirection Test) spacecraft successfully crashed on Dimorphos, the secondary component of the binary (65803) Didymos system. Following the impact, a…
Borderline hyperbolic comet C/2021 O3 (PANSTARRS) was fading as it approached the Sun
M. Evangelista-Santana, M. De Prá, J. M. Carvano +13
We present an observational and numerical study of the borderline hyperbolic comet C/2021 O3 (PANSTARRS) performed during its recent passage through the inner Solar system. Our obs…
Discovery and physical characterization as the first response to a potential asteroid collision: The case of 2023 DZ2
Marcel M. Popescu, O. Văduvescu, Julia de León +15
Near-Earth asteroids (NEAs) that may evolve into impactors deserve detailed threat assessment studies. Early physical characterization of a would-be impactor may help in optimizing…
Characterisation of the new target of the NASA Lucy mission: asteroid 152830 Dinkinesh (1999 VD57)
J. de León, J. Licandro, N. Pinilla-Alonso +3
The NASA Lucy mission is aimed at the study of the very interesting population of Jupiter Trojans, considered as time capsules from the origin of our solar system. During its journ…
Near-Ultraviolet Absorption Distribution of Primitive Asteroids from Spectrophotometric Surveys
Eri Tatsumi, Faith Vilas, Julia de León +5
Aims: Our objectives were first to evaluate the possibility for using the NUV absorption as diagnostics of hydrated minerals based on the recent datasets of primitive asteroids and…
Mini-moons from horseshoes: A physical characterization of 2022 NX1 with OSIRIS at the 10.4 m Gran Telescopio Canarias
R. de la Fuente Marcos, J. de Leon, C. de la Fuente Marcos +3
Context. The near-Earth orbital space is shared by natural objects and space debris that can be temporarily captured in geocentric orbits. Short-term natural satellites are often c…
Asteroids' reflectance from Gaia DR3: Artificial reddening at near-UV wavelengths
Fernando Tinaut-Ruano, Eri Tatsumi, Paolo Tanga +6
Aims. We aim to assess the suitability in the near-ultraviolet (NUV) region of the solar analogues selected by the team responsible for the asteroid reflectance included in Gaia Da…
Spectral properties of near-Earth objects with low-Jovian Tisserand invariant
N. G. Simion, M. Popescu, J. Licandro +3
The near-Earth objects with low-Jovian Tisserand invariant () represent about 9 per cent of the known objects orbiting in the near-Earth space, being subject of numerous plane…
Widely distributed exogenic materials of varying compositions and morphologies on asteroid (101955) Bennu
Eri Tatsumi, Marcel Popescu, Humberto Campins +8
Using the multi-band imager MapCam onboard the OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer) spacecraft, we identified 77 i…
Dust environment of active asteroids P/2019 A4 (PANSTARRS) and P/2021 A5 (PANSTARRS)
Fernando Moreno, Javier Licandro, Antonio Cabrera-Lavers +2
We report on the characterisation of the dust activity and dynamical evolution of two faint active asteroids, P/2019 A4, and P/2021 A5, observed with the 10.4m GTC using both imagi…
J-PLUS: A first glimpse at spectrophotometry of asteroids -- The MOOJa catalog
David Morate, Jorge Marcio Carvano, Alvaro Alvarez-Candal +22
Context: The Javalambre Photometric Local Universe Survey (J-PLUS) is an observational campaign that aims to obtain photometry in 12 ultraviolet-visible filters (0.3-1 μm) of appro…
A comparative analysis of the outer-belt primitive families
M. N. De Prá, N. Pinilla-Alonso, J. Carvano +6
Context. Asteroid families are witnesses to the intense collisional evolution that occurred on the asteroid belt. The study of the physical properties of family members can provide…
The active centaur 2020 MK4
C. de la Fuente Marcos, R. de la Fuente Marcos, J. Licandro +5
Context. Centaurs go around the Sun between the orbits of Jupiter and Neptune. Only a fraction of the known centaurs have been found to display comet-like features. Comet 29P/Schwa…
Activity of the Jupiter co-orbital comet P/2019~LD (ATLAS) observed with OSIRIS at the 10.4 m GTC
J. Licandro, J. de Leon, F. Moreno +8
Jupiter co-orbital comets have orbits that are not long-term stable. They may experience flybys with Jupiter close enough to trigger tidal disruptions like the one suffered by come…
Physical characterization of 2020 AV2, the first known asteroid orbiting inside Venus orbit
M. Popescu, J. de León, C. de la Fuente Marcos +8
The first known asteroid with the orbit inside that of Venus is 2020~AV. This may be the largest member of a new population of small bodies with the aphelion smaller than 0.7…
Characterization of the June epsilon Ophiuchids meteoroid stream and the comet 300P/Catalina
Pavol Matlovič, Leonard Kornoš, Martina Kováčová +2
Prior to 2019, the June epsilon Ophiuchids (JEO) were known as a minor unconfirmed meteor shower with activity that was considered typically moderate for bright fireballs. An unexp…
Dust Properties of Double-Tailed Active Asteroid (6478) Gault
F. Moreno, E. Jehin, J. Licandro +11
Asteroid (6478) Gault was discovered to exhibit a comet-like tail in observations from December 2018, becoming a new member of the so-called active asteroid population in the main…
Spectral clustering tools applied to Ceres in preparation for OSIRIS-REx color imaging of asteroid (101955) Bennu
Juan Luis Rizos, Julia de León, Javier Licandro +6
The OSIRIS-REx asteroid sample-return mission is investigating primitive near-Earth asteroid (101955) Bennu. Thousands of images will be acquired by the MapCam instrument onboard t…
The visible and near-infrared spectra of asteroids in cometary orbits
J. Licandro, M. Popescu, J. de Leon +4
We study the visible and near-infrared (NIR) spectral properties of different ACO populations and compare them to the independently determined properties of comets. We select our A…
Spectroscopic and dynamical properties of comet C/2018 F4, likely a true average former member of the Oort cloud
Javier Licandro, Carlos de la Fuente Marcos, Raul de la Fuente Marcos +3
The population of comets hosted by the Oort cloud is heterogeneous. Most studies in this area focused on highly active objects, those with small perihelion distances or examples of…