Results 41 to 50 of about 214,518 (270)

Thermal Properties of 1847 WISE-observed Asteroids

The Planetary Science Journal, 2022
We present new thermophysical model fits of 1847 asteroids, deriving thermal inertia, diameter, and Bond and visible geometric albedo. We use thermal flux measurements obtained by the Wide-field Infrared Survey Explorer (WISE) during its fully cryogenic ...
Denise Hung, Josef Hanuš, Joseph R. Masiero, David J. Tholen   +3 more
doaj   +1 more source

Near-Ultraviolet Absorption Distribution of Primitive Asteroids from Spectrophotometric Surveys [PDF]

A&A 672, A189 (2023), 2023
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 hydrated carbonaceous chondrites, and second to investigate the reflectance spectrophotometry of the primitive asteroids in the NUV as functions of heliocentric distance and
arxiv   +1 more source

Optical spectroscopy and photometry of main-belt asteroids with a high orbital inclination [PDF]

Research in Astronomy and Astrophysics, Volume 17, Issue 2, article id. 17 (2017), 2020
We carried out low-resolution optical spectroscopy of 51 main-belt asteroids, most of which have highly-inclined orbits. They are selected from D-type candidates in the SDSS-MOC 4 catalog. Using the University of Hawaii 2.2 m telescope and the Inter-University Centre for Astronomy and Astrophysics 2 m telescope in India, we determined the spectral ...
arxiv   +1 more source

Detectability of the Yarkovsky Effect in the Main Belt

The Planetary Science Journal, 2023
We attempt to detect a signal of Yarkovsky-related acceleration in the orbits of 134 main belt asteroids (MBAs) we observed with the University of Hawai’i 88 inch telescope, supplemented with observations publicly available from the Minor Planet Center ...
Denise Hung, David J. Tholen, Davide Farnocchia, Federica Spoto   +3 more
doaj   +1 more source

Catalog of Proper Orbits for 1.25 Million Main-belt Asteroids and Discovery of 136 New Collisional Families [PDF]

Astrophysical Journal Supplement Series
The proper elements of asteroids are obtained from the instantaneous orbital elements by removing periodic oscillations produced by gravitational interactions with planets.
D. Nesvorný, Fernando Roig, D. Vokrouhlický, M. Brož   +3 more
semanticscholar   +1 more source

V-type asteroids in the middle main belt [PDF]

Icarus, 2008
The recent discovery of the first V-type asteroid in the middle belt, (21238) 1995WV7, located at ~2.54 AU, raises the question of whether it came from (4) Vesta or not. In this paper, we present spectroscopic observations indicating the existence of another V-type asteroid at ~2.53 AU, (40521) 1999RL95, and we investigate the possibility that these ...
Roig, F., Nesvorny, David, Gil Hutton, Ricardo Alfredo, Lazzaro, D.   +3 more
openaire   +4 more sources

Photometry of selected outer main belt asteroids [PDF]

Planetary and Space Science, 2021
We present new photometric observations for twelve asteroids ((122) Gerda, (152) Atala, (260) Huberta, (665) Sabine, (692) Hippodamia, (723) Hammonia, (745) Mauritia, (768) Struveana, (863) Benkoela, (1113) Katja, (1175) Margo, (2057) Rosemary) from the outer part of the main belt aimed to obtain the magnitude-phase curves and to verify geometric ...
R. Ya. Inasaridze, T. Kwiatkowski, Nikolai Kiselev, Artyom Novichonok, A. V. Kusakin, Yu. N. Krugly, T. Hromakina, Vasilij G. Chiorny, A.N. Dovgopol, I. Reva, Igor Molotov, Irina Belskaya, I. Slyusarev, Dagmara Oszkiewicz, Vasilij G. Shevchenko, A. N. Rublevsky, K. Antonyuk, G. V. Kapanadze, O. I. Mikhalchenko, V. V. Ayvazian   +19 more
openaire   +3 more sources

Mid-IR Observations of IRAS, AKARI, WISE/NEOWISE, and Subaru for Large Icy Asteroid (704) Interamnia: A New Perspective of Regolith Properties and Water Ice Fraction

The Astrophysical Journal, 2023
(704) Interamnia is one of the largest asteroids located in the outer main-belt region, which may contain a large amount of water ice underneath its surface.
Jiang Haoxuan, Ji Jianghui, Yu Liangliang, Yang Bin, Hu Shoucun, Zhao Yuhui   +5 more
doaj   +1 more source

Gravity-Assist might be a Solution to Save Earth from Global Warming [PDF]

Iranian Journal of Astronomy and Astrophysics, 2023
Global warming is one of the problems of human civilization and decarbonization policy is the main solution to this problem. In this work, we propose an alternative method of using the gravity assist by the asteroids to increase the orbital distance of ...
Sohrab Rahvar
doaj   +1 more source

A ring as a model of the main belt in planetary ephemerides [PDF]

, 2010
We assess the ability of a solid ring to model a global perturbation induced by several thousands of main-belt asteroids. The ring is first studied in an analytical framework that provides an estimate of all the ring's parameters excepting mass.
A. Fienga, Chesley, Fienga, Fienga, H. Manche, J. Laskar, Juric, Krasinsky, Laskar, Margot, Merline, P. Kuchynka, Tedesco   +12 more
core   +3 more sources