Results 21 to 30 of about 9,418 (215)

Trans–Neptunian objects' surface properties [PDF]

Proceedings of the International Astronomical Union, 2005
Recent observations in visible photometry have provided B, V, R and I high quality colors for more than 130 objects. Color diversity is now a reality in the TNOs population. Relevant statistical analyses have been performed and all possible correlations between optical colors and orbital parameters have been analyzed.
Barucci, Maria Antonella, Peixinho, Nuno
openaire   +2 more sources

Close Trans-Neptunian Object Passages as a Driver of the Origin and Evolution of Ultrawide Kuiper Belt Binaries

The Astronomical Journal, 2022
Within the dynamically cold low-inclination portion of the Classical Kuiper Belt, there exists a population of weakly bound binary systems with a number of unusual properties, most notable of which is their extremely wide orbital separations—beyond 7% of
Hunter M. Campbell, Lukas R. Stone, Nathan A. Kaib   +2 more
doaj   +1 more source

On the application of machine learning in astronomy and astrophysics: A text‐mining‐based scientometric analysis

WIREs Data Mining and Knowledge Discovery, Volume 12, Issue 5, September/October 2022., 2022
This work presents a text‐mining‐based scientometric analysis of the scientific output in the last three decades regarding the use of artificial intelligence and machine learning in the fields of astronomy and astrophysics. Abstract Since the beginning of the 21st century, the fields of astronomy and astrophysics have experienced significant growth at ...
José‐Víctor Rodríguez, Ignacio Rodríguez‐Rodríguez, Wai Lok Woo   +2 more
wiley   +1 more source

Are there long‐living Hilda‐like asteroids between Jupiter and Saturn?

Astronomische Nachrichten, Volume 343, Issue 6-7, July-August., 2022
Abstract To clarify the question of asteroids between Jupiter and Saturn a numerical study of the stability of orbits of fictitious bodies in this region has been undertaken. There are almost no minor planets moving there with the exception of 61 faint asteroids.
Rudolf Dvorak, Michael Kubala
wiley   +1 more source

A Dynamical Survey of the Trans-Neptunian Region. I. Mean-motion Resonances with Neptune

The Astrophysical Journal Supplement Series, 2023
In this paper, we present a large-scale dynamical survey of the trans-Neptunian region, with particular attention to mean-motion resonances (MMRs). We study a set of 4121 trans-Neptunian objects (TNOs), a sample far larger than in previous works.
E. Forgács-Dajka, E. Kővári, T. Kovács, Cs. Kiss, Zs. Sándor   +4 more
doaj   +1 more source

On the origin of extreme trans-Neptunian objects within Modified Newtonian Dynamics [PDF]

Monthly notices of the Royal Astronomical Society, 2023
In this work, we investigate the dynamical origin of extreme trans-Neptunian objects (ETNOs) under the action of the External Field Effect (EFE), which is a consequence of Modified Newtonian Dynamics (MOND) applied to gravity around the Sun embedded in
C. Migaszewski
semanticscholar   +1 more source

The Geophysical Environment of (486958) Arrokoth—A Small Kuiper Belt Object Explored by New Horizons

Journal of Geophysical Research: Planets, Volume 127, Issue 6, June 2022., 2022
Abstract NASA's New Horizons mission performed the first flyby of a small Kuiper Belt Object (KBO), (486958) Arrokoth on 1 January 2019. The fast flyby revealed a fascinating, flattened, contact binary replete with a variety of unexpected geologic terrains.
James T. Keane, Simon B. Porter, Ross A. Beyer, Orkan M. Umurhan, William B. McKinnon, Jeffrey M. Moore, John R. Spencer, S. Alan Stern, Carver J. Bierson, Richard P. Binzel, Douglas P. Hamilton, Carey M. Lisse, Xiaochen Mao, Silvia Protopapa, Paul M. Schenk, Mark R. Showalter, John A. Stansberry, Oliver L. White, Anne J. Verbiscer, Joel W. Parker, Catherine B. Olkin, Harold A. Weaver, Kelsi N. Singer   +22 more
wiley   +1 more source

Modeling Long-Term Photometric Data of Trans-Neptunian Objects and Centaurs

Frontiers in Astronomy and Space Sciences, 2022
Trans-Neptunian objects and Centaurs are small Solar System bodies that reside in the outer parts of the Solar System. These objects present photometric behaviors that are influenced due to a change in their aspect angle.
Estela Fernández-Valenzuela
doaj   +1 more source

Col-OSSOS: Evidence for a Compositional Gradient Inherited from the Protoplanetary Disk?

The Planetary Science Journal, 2023
In the present-day Kuiper Belt, the number of compositional classes and the orbital distributions of these classes hold important cosmogonic implications for the solar system.
Michaël Marsset, Wesley C. Fraser, Megan E. Schwamb, Laura E. Buchanan, Rosemary E. Pike, Kathryn Volk, Nuno Peixinho, Susan Benecchi, Michele T. Bannister, Nicole J. Tan, J. J. Kavelaars   +10 more
doaj   +1 more source

Dynamics of trans-Neptunian objects near the 3/1 mean-motion resonance with Neptune [PDF]

Astronomy & Astrophysics, 2023
The complex classification of trans-Neptunian objects (TNOs) that are captured in mean-motion resonances (MMRs) and the constraint of their multiple origins are two significant open problems concerning the Solar System.
A. J. Alves-Carmo, T. Vaillant, A. Correia   +2 more
semanticscholar   +1 more source