Two distinct populations of dark comets delineated by orbits and sizes
Small bodies are capable of delivering essential prerequisites for the development of life,
such as volatiles and organics, to the terrestrial planets. For example, empirical evidence …
such as volatiles and organics, to the terrestrial planets. For example, empirical evidence …
[HTML][HTML] Ephemeris and hazard assessment for near-Earth asteroid (101955) Bennu based on OSIRIS-REx data
D Farnocchia, SR Chesley, Y Takahashi, B Rozitis… - Icarus, 2021 - Elsevier
Small bodies such as the near-Earth asteroid Bennu drift in their orbit due to thermal
radiation forces (the Yarkovsky effect). Ground-based observations have indicated a …
radiation forces (the Yarkovsky effect). Ground-based observations have indicated a …
Peculiar orbital characteristics of Earth quasi-satellite 469219 Kamo 'oalewa: implications for the Yarkovsky detection and orbital uncertainty propagation
Abstract 469219 Kamo'oalewa is selected as one of the primary targets of Tianwen-2
mission, which is currently believed to be the most stable quasi-satellite of Earth. Here we …
mission, which is currently believed to be the most stable quasi-satellite of Earth. Here we …
(523599) 2003 RM: The Asteroid that Wanted to be a Comet
D Farnocchia, DZ Seligman, M Granvik… - The Planetary …, 2023 - iopscience.iop.org
We report a statistically significant detection of nongravitational acceleration on the
subkilometer near-Earth asteroid (523599) 2003 RM. Due to its orbit, 2003 RM experiences …
subkilometer near-Earth asteroid (523599) 2003 RM. Due to its orbit, 2003 RM experiences …
Apophis planetary defense campaign
V Reddy, MS Kelley, J Dotson… - The Planetary …, 2022 - iopscience.iop.org
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–2021 March. The …
Earth by the near-Earth asteroid (99942) Apophis during 2020 December–2021 March. The …
International Asteroid Warning Network Timing Campaign: 2019 XS
D Farnocchia, V Reddy, JM Bauer… - The Planetary …, 2022 - iopscience.iop.org
As part of the International Asteroid Warning Network's observational exercises, we
conducted a campaign to observe near-Earth asteroid 2019 XS around its close approach to …
conducted a campaign to observe near-Earth asteroid 2019 XS around its close approach to …
2019 UO14: A Transient Trojan of Saturn
Saturn has long been the only giant planet in our solar system without any known Trojan
members. In this Letter, with serendipitous archival observations and refined orbit …
members. In this Letter, with serendipitous archival observations and refined orbit …
The Aegis Orbit Determination and Impact Monitoring System and services of the ESA NEOCC web portal
M Fenucci, L Faggioli, F Gianotto… - Celestial Mechanics and …, 2024 - Springer
Abstract The NEO Coordination Centre (NEOCC) of the European Space Agency is an
operational centre that, among other activities, computes the orbits of near-Earth objects and …
operational centre that, among other activities, computes the orbits of near-Earth objects and …
The Yarkovsky effect and bulk density of near-Earth asteroids from Gaia DR3
Aims. The primary objective of this study is to utilize Gaia DR3 asteroid astrometry to detect
the Yarkovsky effect, a non-gravitational acceleration that affects the orbits of small …
the Yarkovsky effect, a non-gravitational acceleration that affects the orbits of small …
Non-zero Yarkovsky acceleration for near-Earth asteroid (99942) Apophis
The leading source of uncertainty to predict the orbital motion of asteroid (99942) Apophis is
a non-gravitational acceleration arising from the anisotropic thermal re-emission of …
a non-gravitational acceleration arising from the anisotropic thermal re-emission of …