Journal of Astronomy and Space Sciences

Observational Overview of the May 2024 G5-Level Geomagnetic Storm: From Solar Eruptions to Terrestrial Consequences

Young-Sil Kwak, Jeong-Heon Kim, Sujin Kim, Yukinaga Miyashita, Taeyong Yang, Sung-Hong Park, Eun-Kyung Lim, Jongil Jung, Hosik Kam, Jaewook Lee, Hwanhee Lee, Ji-Hyun Yoo, Haein Lee, Ryun-Young Kwon, Jungjoon Seough, Uk-Won Nam, Woo Kyoung Lee, Junseok Hong, Jongdae Sohn, Jaeyoung Kwak, Hannah Kwak, Rok-Soon Kim, Yeon-Han Kim, Kyung-Suk Cho, Jaeheung Park, Jaejin Lee, Hoang Ngoc Huy Nguyen, Madeeha Talha

J. Astron. Space Sci. 2024;41(3):171-194.
https://doi.org/10.5140/JASS.2024.41.3.171

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Titius-Bode’s Relation in Exoplanetary Systems

Heon-Young Chang

J. Astron. Space Sci. 2023;40(2):67-77.
https://doi.org/10.5140/JASS.2023.40.2.67

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Challenges to Space Activities in the Context of Mega Satellite Constellations: A Focus on Environmental Impacts

Sheer Abbas

J. Astron. Space Sci. 2025;42(1):1-13.
https://doi.org/10.5140/JASS.2025.42.1.1

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Review of Space Debris Modeling Methods and Development Direction of the Korean Space Debris Models

Jinsung Lee, Hangyeol Kim, Eun Jung Choi, Jin Choi, Jiwoong Yu, Junghyun Jo, Jaemyung Ahn

J. Astron. Space Sci. 2024;41(4):209-223.
https://doi.org/10.5140/JASS.2024.41.4.209

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A Study on Re-entry Predictions of Uncontrolled Space Objects for Space Situational Awareness

Eun-Jung Choi, Sungki Cho, Deok-Jin Lee, Siwoo Kim, Jung Hyun Jo

Journal of Astronomy and Space Sciences 2017;34(4):289-302.
https://doi.org/10.5140/JASS.2017.34.4.289

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Korea Pathfinder Lunar Orbiter (KPLO) Operation: From Design to Initial Results

Moon-Jin Jeon, Young-Ho Cho, Eunhyeuk Kim, Dong-Gyu Kim, Young-Joo Song, SeungBum Hong, Jonghee Bae, Jun Bang, Jo Ryeong Yim, Dae-Kwan Kim

J. Astron. Space Sci. 2024;41(1):43-60.
https://doi.org/10.5140/JASS.2024.41.1.43

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Design of Regional Coverage Low Earth Orbit (LEO) Constellation with Optimal Inclination

Jinyoung Shin, Sang-Young Park, Jihae Son, Sung-Chan Song

Journal of Astronomy and Space Sciences 2021;38(4):217-227.
https://doi.org/10.5140/JASS.2021.38.4.217

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Initial Results of Low Earth Orbit Space Radiation Dosimeter on Board the Next Generation Small Satellite-2

Uk-Won Nam, Won-Kee Park, Sukwon Youn, Jaeyoung Kwak, Jongdae Sohn, Bongkon Moon, Jaejin Lee, Young-Jun Choi, Jungho Kim, Sunghwan Kim, Hongjoo Kim, Hwanbae Park, Sung-Joon Ye, Hongyoung Park, Taeseong Jang

J. Astron. Space Sci. 2024;41(3):195-208.
https://doi.org/10.5140/JASS.2024.41.3.195

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Geostationary Satellite Station Keeping Robustness to Loss of Ground Control

Hyung Je Woo, Bjorn Buckwalter

Journal of Astronomy and Space Sciences 2021;38(1):65-82.
https://doi.org/10.5140/JASS.2021.38.1.65

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ShadowCam Instrument and Investigation Overview

Mark Southwick Robinson, Scott Michael Brylow, Michael Alan Caplinger, Lynn Marie Carter, Mattew John Clark, Brett Wilcox Denevi, Nicholas Michael Estes, David Carl Humm, Prasun Mahanti, Douglas Arden Peckham, Michael Andrew Ravine, Jacob Andrieu Schaffner, Emerson Jacob Speyerer, Robert Vernon Wagner

J. Astron. Space Sci. 2023;40(4):149-171.
https://doi.org/10.5140/JASS.2023.40.4.149

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Performance Analysis of Sensor Systems for Space Situational Awareness

Eun-Jung Choi, Sungki Cho, Jung Hyun Jo, Jang-Hyun Park, Taejin Chung, Jaewoo Park, Hocheol Jeon, Ami Yun, Yonghui Lee

Journal of Astronomy and Space Sciences 2017;34(4):303-313.
https://doi.org/10.5140/JASS.2017.34.4.303

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Astronomical Records in the Goguri Annal of the Three Kingdoms Period

Ki-Won Lee, Byeong-Hee Mihn

J. Astron. Space Sci. 2024;41(2):107-119.
https://doi.org/10.5140/JASS.2024.41.2.107

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A Preliminary Impulsive Trajectory Design for (99942) Apophis Rendezvous Mission

Pureum Kim, Sang-Young Park, Sungki Cho, Jung Hyun Jo

Journal of Astronomy and Space Sciences 2021;38(2):105-117.
https://doi.org/10.5140/JASS.2021.38.2.105

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Comparative Analysis of Cosmic Radiation Exposure Dose Due to the Russian Detour Route

Hee-Bok Ahn, Jaeyoung Kwak, Junga Hwang

J. Astron. Space Sci. 2023;40(2):59-66.
https://doi.org/10.5140/JASS.2023.40.2.59

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Classification of Gravitational Waves from Black Hole-Neutron Star Mergers with Machine Learning

Nurzhan Ussipov, Zeinulla Zhanabaev, Almat Akhmetali, Marat Zaidyn, Dana Turlykozhayeva, Aigerim Akniyazova, Timur Namazbayev

J. Astron. Space Sci. 2024;41(3):149-158.
https://doi.org/10.5140/JASS.2024.41.3.149

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Performance Analysis of DPSK Optical Communication for LEO-to-Ground Relay Link Via a GEO Satellite

Hyung-Chul Lim, Jong Uk Park, Mansoo Choi, Chul-Sung Choi, Jae-Dong Choi, Jongah Kim

Journal of Astronomy and Space Sciences 2020;37(1):11-18.
https://doi.org/10.5140/JASS.2020.37.1.11

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Long-Term Science Goals with In Situ Observations at the Sun-Earth Lagrange Point L4

Dae-Young Lee, Rok-Soon Kim, Kyung-Eun Choi, Jungjoon Seough, Junga Hwang, Dooyoung Choi, Ji-Hyeon Yoo, Seunguk Lee, Sung Jun Noh, Jongho Seon, Kyung-Suk Cho, Kwangsun Ryu, Khan-Hyuk Kim, Jong-Dae Sohn, Jae-Young Kwak, Peter H. Yoon

J. Astron. Space Sci. 2024;41(1):1-15.
https://doi.org/10.5140/JASS.2024.41.1.1

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A Development of Satellite Communication Link Analysis Tool

Selewondim Eshetu Ayana, SeongMin Lim, Dong-Hyun Cho, Hae-Dong Kim

Journal of Astronomy and Space Sciences 2020;37(2):117-129.
https://doi.org/10.5140/JASS.2020.37.2.117

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Preliminary Characterization of Secondary Illumination at Shackleton Crater Permanently Shadowed Region from ShadowCam Observations and Modeling

Prasun Mahanti, Mark Southwick Robinson, David Carl Humm, Robert Vernon Wagner, Nicholas Michael Estes, Jean-Pierre Williams

J. Astron. Space Sci. 2023;40(4):131-148.
https://doi.org/10.5140/JASS.2023.40.4.131

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Rain Attenuation Prediction at Different Time Percentages for Ku, K, and Ka Bands Satellite Communication Systems over Nigeria

Orji Prince Orji, Obiegbuna Dominic Chukwuebuka, Okoro Eucharia Chidinma, Ugonabo Obiageli Josephine, Okezuonu Patrick Chinedu, Iyida Evaristus Uzochukwu, Ugwu Chukwuebuka Jude, Menteso Firew Meka, Ikechukwu Ugochukwu Chiemeka

J. Astron. Space Sci. 2024;41(1):25-33.
https://doi.org/10.5140/JASS.2024.41.1.25

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