Analysing orbits around the Moon for the Garatéa-L Mission

IF 1.8 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS Astrophysics and Space Science Pub Date : 2024-04-02 DOI:10.1007/s10509-024-04297-4
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Abstract

Recently, we have seen a series of space missions to the Moon and asteroids, whether for exploratory or scientific purposes, with possibilities of a lot of profitability in a sustainable way. Given this scenario, the Garatéa-L Mission (from the Brazilian original people language Tupi-Guarani, “Search for Life”) stands out, a genuinely Brazilian mission, whose main objective is to place a 6U brazilian cubeSat in orbit around the Moon, in 2024 or 2025, with the aim of carrying out experiments in astrobiology and studying the Aitken Basin, a basin located at the lunar south pole. In this context, the main goal of the present work is to study the orbits that meet the needs of the mission, obeying the necessary parameters of 300 km of periselene and 3000 km of aposelene. The system is formed by the Moon (the central body) and its gravitational coefficients, \(J_{2}\) , \(J_{3}\) and \(C_{22}\) , the Earth as the perturbing body and a particle (cubesat). As a result, we obtained a sample of orbits that meets the requirements of the mission, their lifetimes in the region of interest and the evolution of the semi-major axis and eccentricity for each value of the inclination analysed. The results showed that the largest number of orbits with the longest lifetime have inclinations of 60° and 65°, with a semi-major axis of 3460 km and an eccentricity of approximately 0.38, remaining in the mission’s region of interest for an approximate period of 180 days.

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为 Garatéa-L 任务分析绕月轨道
摘要 最近,我们看到了一系列前往月球和小行星的太空任务,无论是出于探索目的还是科 学目的,都有可能以可持续的方式获得大量利润。在这种情况下,Garatéa-L 任务(来自巴西原住民图皮-瓜拉尼语,意为 "寻找生命")脱颖而出,这是一项真正的巴西任务,其主要目标是在 2024 年或 2025 年将一颗 6U 巴西立方体卫星送入绕月轨道,目的是进行天体生物学实验和研究艾特肯盆地(位于月球南极的一个盆地)。在这种情况下,目前工作的主要目标是研究符合飞行任务需要的轨道,遵守必要的参数,即 300 千米的近月面和 3000 千米的远月面。该系统由月球(中心体)及其引力系数\(J_{2}\)、\(J_{3}\)和\(C_{22}\)、作为扰动体的地球和一个粒子(立方体卫星)组成。因此,我们获得了符合任务要求的轨道样本、它们在相关区域的寿命以及所分析的每个倾角值的半长轴和偏心率的演变情况。结果表明,轨道数量最多、寿命最长的轨道倾角为 60°和 65°,半主轴为 3460 千米,偏心率约为 0.38,在飞行任务相关区域停留的时间约为 180 天。
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来源期刊
Astrophysics and Space Science
Astrophysics and Space Science 地学天文-天文与天体物理
CiteScore
3.40
自引率
5.30%
发文量
106
审稿时长
2-4 weeks
期刊介绍: Astrophysics and Space Science publishes original contributions and invited reviews covering the entire range of astronomy, astrophysics, astrophysical cosmology, planetary and space science and the astrophysical aspects of astrobiology. This includes both observational and theoretical research, the techniques of astronomical instrumentation and data analysis and astronomical space instrumentation. We particularly welcome papers in the general fields of high-energy astrophysics, astrophysical and astrochemical studies of the interstellar medium including star formation, planetary astrophysics, the formation and evolution of galaxies and the evolution of large scale structure in the Universe. Papers in mathematical physics or in general relativity which do not establish clear astrophysical applications will no longer be considered. The journal also publishes topically selected special issues in research fields of particular scientific interest. These consist of both invited reviews and original research papers. Conference proceedings will not be considered. All papers published in the journal are subject to thorough and strict peer-reviewing. Astrophysics and Space Science features short publication times after acceptance and colour printing free of charge.
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