Asteroid taxonomy from cluster analysis of spectrometry and albedo

M Mahlke, B Carry, PA Mattei - Astronomy & Astrophysics, 2022 - aanda.org
Context. The classification of the minor bodies of the Solar System based on observables
has been continuously developed and iterated over the past 40 yr. While prior iterations …

Discovery of two TNO-like bodies in the asteroid belt

S Hasegawa, M Marsset, FE DeMeo… - The Astrophysical …, 2021 - iopscience.iop.org
Two extremely red main-belt asteroids, 203 Pompeja and 269 Justitia, were identified from
combined visible and near-infrared spectroscopic observations collected at the Infra-red …

The asteroid-comet continuum

D Jewitt, HH Hsieh - arXiv preprint arXiv:2203.01397, 2022 - arxiv.org
The practical distinctions between asteroids and comets, viewed as products of accretion on
either side of the snow line, are less clear-cut than previously understood. In this chapter, we …

The dynamical origins of the dark comets and a proposed evolutionary track

AG Taylor, JK Steckloff, DZ Seligman, D Farnocchia… - Icarus, 2024 - Elsevier
So-called 'dark comets' are small, morphologically inactive near-Earth objects (NEOs) that
exhibit nongravitational accelerations inconsistent with radiative effects. These objects …

Dark comets? Unexpectedly large nongravitational accelerations on a sample of small asteroids

DZ Seligman, D Farnocchia, M Micheli… - The Planetary …, 2023 - iopscience.iop.org
We report statistically significant detections of nonradial, nongravitational accelerations
based on astrometric data in the photometrically inactive objects 1998 KY 26, 2005 VL 1 …

Interstellar visitors: a physical characterization of comet C/2019 Q4 (Borisov) with OSIRIS at the 10.4 m GTC

J de León, J Licandro, M Serra-Ricart… - Research Notes of …, 2019 - ui.adsabs.harvard.edu
Abstract Comet C/2019 Q4 (Borisov)-later renamed 2I/Borisov-was discovered on August
30, 2019 by G. Borisov observing from Crimea. The value of its orbital eccentricity was …

Near-Earth asteroids spectroscopic survey at Isaac Newton Telescope

M Popescu, O Vaduvescu, J de León… - Astronomy & …, 2019 - aanda.org
Context. The population of near-Earth asteroids (NEAs) shows a large variety of objects in
terms of physical and dynamical properties. They are subject to planetary encounters and to …

Physical characterization of interstellar comet 2I/2019 Q4 (Borisov)

MT Hui, QZ Ye, D Föhring, D Hung… - The Astronomical …, 2020 - iopscience.iop.org
We present a study of interstellar comet 2I/2019 Q4 (Borisov) using both preperihelion and
postperihelion observations spanning late September 2019 through late January 2020. The …

Activity of the first interstellar comet 2I/Borisov around perihelion: results from Indian observatories

K Aravind, S Ganesh, K Venkataramani… - Monthly Notices of …, 2021 - academic.oup.com
Comet 2I/Borisov is the first true interstellar comet discovered. Here, we present results from
observational programs at two Indian observatories, 2 m Himalayan Chandra Telescope at …

Seasonally varying outgassing as an explanation for dark comet accelerations

AG Taylor, D Farnocchia, D Vokrouhlický, DZ Seligman… - Icarus, 2024 - Elsevier
Significant nonradial, nongravitational accelerations with magnitudes incompatible with
radiation-driven effects have been reported in seven photometrically inactive near-Earth …