Oort Cloud comets discovered far from the Sun

M Królikowska, L Dones - Astronomy & Astrophysics, 2023 - aanda.org
Context. Increasingly, Oort Cloud comets are being discovered at great distances from the
Sun and tracked over ever wider ranges of heliocentric distances as observational …

Comparison of a pebbles-based model with the observed evolution of the water and carbon dioxide outgassing of comet 67P/Churyumov-Gerasimenko

M Ciarniello, M Fulle, F Tosi, S Mottola… - Monthly Notices of …, 2023 - academic.oup.com
The Rosetta mission escorted comet 67P/Churyumov-Gerasimenko for approximately two
years including the perihelion passage (1.24 au, 2015 August), allowing us to monitor the …

Varying water activity and momentum transfer on comet 67P/Churyumov-Gerasimenko from its non-gravitational forces and torques

N Attree, P Gutiérrez, O Groussin, J Bürger… - Astronomy & …, 2024 - aanda.org
Aims. We investigate the ability of a simultaneous fitting of comet 67P/Churyumov-
Gerasimenko's non-gravitational forces, torques, and total water-outgassing rate, as …

Nongravitational Forces in Planetary Systems

D Jewitt - The Planetary Science Journal, 2025 - iopscience.iop.org
Nongravitational forces play surprising and, sometimes, centrally important roles in shaping
the motions and properties of small planetary bodies. In the solar system, the morphologies …

Enlargement of depressions on comet 81P/Wild 2: Constraint based on 30-year cometary activity in the inner Solar System

B Lim, M Ishiguro - arXiv preprint arXiv:2412.11548, 2024 - aanda.org
ABSTRACT Context. The Stardust flyby mission to Jupiter-family comet (JFC) 81P/Wild 2
(hereafter, 81P) captured its dense quasicircular depressions. The formation mechanism …

Ephemeris Reconstruction for Comet 67P/Churyumov-Gerasimenko During Rosetta Proximity Phase from Radiometric Data Analysis

RL Manghi, M Zannoni, P Tortora, F Budnik… - arXiv preprint arXiv …, 2024 - arxiv.org
This study provides a continuous ephemeris reconstruction for comet 67P/Churyumov-
Gerasimenko by reanalyzing Rosetta radiometric measurements and Earth-based …

Dust Emission and Dynamics

J Agarwal, Y Kim, MSP Kelley, R Marschall - arXiv preprint arXiv …, 2023 - arxiv.org
When viewed from Earth, most of what we observe of a comet is dust. The influence of solar
radiation pressure on the trajectories of dust particles depends on their cross-section to …