对一些近日小行星轨道动力学的观察和研究

IF 1.8 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS
T. Yu Galushina , O.N. Letner , A.V. Shein , E.S. Bakanas , P.A. Levkina
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引用次数: 0

摘要

本文介绍了2020-2023年在集体使用中心“Terskol天文台”使用蔡司-2000望远镜对9颗近日小行星的位置观测结果。它表明,在有利的天气条件下,有可能获得观测到的22等小行星的观测结果。特别注意的是对象(399457)2002 PD43和2008 MG1。我们成功地获得了对(399457)2002 PD43的观测,观测到的星等为2160米,使我们的观测成为2022年夏季冲日的第一次观测。由于Terskol天文台的观测大大延长了2008 MG1的弧长,降低了轨道不确定性,因此轨道拟合结果和轨道演化概率研究是分开考虑的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Observations and study of the orbital dynamics of some near-Sun asteroids

The paper presents the results of positional observations of nine near-Sun asteroids with the Zeiss-2000 telescope at the Center for Collective Use “Terskol Observatory” during 2020–2023. It demonstrates that, under favorable weather conditions, it is possible to obtain observations of asteroids with observed magnitudes up to 22. Particular attention is paid to the objects (399457) 2002 PD43 and 2008 MG1. We managed to obtain observations of (399457) 2002 PD43 at an observed magnitude of 21.6m, making our observations the first of the summer 2022 opposition. The results of the orbit fitting and the study of the probabilistic orbital evolution of 2008 MG1 are considered separately, since the observations at the Terskol observatory significantly extend its arc length and reduce the orbit uncertainty.

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来源期刊
Planetary and Space Science
Planetary and Space Science 地学天文-天文与天体物理
CiteScore
5.40
自引率
4.20%
发文量
126
审稿时长
15 weeks
期刊介绍: Planetary and Space Science publishes original articles as well as short communications (letters). Ground-based and space-borne instrumentation and laboratory simulation of solar system processes are included. The following fields of planetary and solar system research are covered: • Celestial mechanics, including dynamical evolution of the solar system, gravitational captures and resonances, relativistic effects, tracking and dynamics • Cosmochemistry and origin, including all aspects of the formation and initial physical and chemical evolution of the solar system • Terrestrial planets and satellites, including the physics of the interiors, geology and morphology of the surfaces, tectonics, mineralogy and dating • Outer planets and satellites, including formation and evolution, remote sensing at all wavelengths and in situ measurements • Planetary atmospheres, including formation and evolution, circulation and meteorology, boundary layers, remote sensing and laboratory simulation • Planetary magnetospheres and ionospheres, including origin of magnetic fields, magnetospheric plasma and radiation belts, and their interaction with the sun, the solar wind and satellites • Small bodies, dust and rings, including asteroids, comets and zodiacal light and their interaction with the solar radiation and the solar wind • Exobiology, including origin of life, detection of planetary ecosystems and pre-biological phenomena in the solar system and laboratory simulations • Extrasolar systems, including the detection and/or the detectability of exoplanets and planetary systems, their formation and evolution, the physical and chemical properties of the exoplanets • History of planetary and space research
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