Feasibility Study of Communication Access via Iridium Constellation for Small-Scale Magnetospheric Ionospheric Plasma Experiment Mission

IF 0.6 Q4 ASTRONOMY & ASTROPHYSICS

Journal of Astronomy and Space Sciences Pub Date : 2022-09-01 DOI:10.5140/jass.2022.39.3.109

Hosub Song, Jaejin Lee, Y. Yi

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引用次数: 1

Abstract

The small-scale magnetospheric and ionospheric plasma experiment (SNIPE) is a mission initiated by the Korea Astronomy and Space Science Institute (KASI) in 2017 and comprises four 6U-sized nano-satellites (Korea Astronomy and Space Science Institute Satellite-1, KASISat-1) flying in formations. The main goal of the SNIPE mission is to investigate the space environment in low Earth orbit at 500-km. Because Iridium & GPS Board (IGB) is installed on the KASISat-1, a communication simulation is required to analyze the contact number and the duration. In this study, communication simulations between the Iridium satellite network and KASISat-1 are performed using STK Pro (System Tool Kit Pro Ver 11.2) from the AGI (Analytical Graphics, Inc.). The contact number and durations were analyzed by each orbit and date. The analysis shows that the average access number per day is 38.714 times, with an average of 2.533 times per orbit for a week. Furthermore, on average, the Iridium satellite communication is linked for 70.597 min daily. Moreover, 4.625 min is the average duration of an individual orbit.

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小型磁层电离层等离子体实验任务铱星通信接入可行性研究

小规模磁层和电离层等离子体实验(SNIPE)是韩国天文空间科学研究院(KASI)于2017年启动的一项任务，由4颗6u大小的纳米卫星(韩国天文空间科学研究院卫星1号，KASISat-1)组成。SNIPE任务的主要目标是在近地轨道500公里处调查空间环境。由于在KASISat-1上安装了铱星和GPS板(IGB)，因此需要进行通信模拟来分析联系号码和持续时间。在本研究中，铱星网络和KASISat-1之间的通信模拟使用来自AGI (Analytical Graphics, Inc.)的STK Pro (System Tool Kit Pro Ver 11.2)进行。根据每个轨道和日期分析了接触次数和持续时间。分析显示，平均每天访问次数为38.714次，平均每周每轨道访问次数为2.533次。此外，铱星通信平均每天连接70.597分钟。此外，4.625分钟是单个轨道的平均持续时间。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Astronomy and Space Sciences ASTRONOMY & ASTROPHYSICS-

CiteScore

1.30

自引率

20.00%

发文量

审稿时长

12 weeks

期刊介绍： JASS aims for the promotion of global awareness and understanding of space science and related applications. Unlike other journals that focus either on space science or on space technologies, it intends to bridge the two communities of space science and technologies, by providing opportunities to exchange ideas and viewpoints in a single journal. Topics suitable for publication in JASS include researches in the following fields: space astronomy, solar physics, magnetospheric and ionospheric physics, cosmic ray, space weather, and planetary sciences; space instrumentation, satellite dynamics, geodesy, spacecraft control, and spacecraft navigation. However, the topics covered by JASS are not restricted to those mentioned above as the journal also encourages submission of research results in all other branches related to space science and technologies. Even though JASS was established on the heritage and achievements of the Korean space science community, it is now open to the worldwide community, while maintaining a high standard as a leading international journal. Hence, it solicits papers from the international community with a vision of global collaboration in the fields of space science and technologies.