Topic:Moon-based Earth Observation

Geometric Simulation of Earth’s Outgoing Radiation Viewed from a Moon-Based Platform

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  • 1. Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China;
    2. College of Resources and Environment, University of Chinese Academy of Space Technology, Beijing 100049, China;
    3. School of Earth and Space Sciences, Peking University, Beijing 100871, China

Received date: 31 Aug 2021

Revised date: 02 Feb 2022

Published date: 12 Jul 2022

Abstract

Due to the characteristics of integrity, multi-angle and long period, a Moon-based platform is expected to accurately estimate Earth outgoing radiation. To evaluate this platform’s capabilities, this paper established a one-to-one mapping algorithm based on the geometric relationship and used the Goddard Earth Observing System model version 5 (GEOS-5) data as model input to simulate Earth’s outgoing radiation viewed from a Moon-based platform, so as to learn about the regularity of Earth outgoing radiation viewed from the Moon-based platform. Results show that a Moon-based platform can cover about 178° both in latitudinal and longitudinal direction in one image, including the polar regions. The changing inclination of the orbit of the Moon gives a better observation condition for high latitude regions, and the viewing zenith angle in polar regions can reach to 60°. These results indicate the simulation method can effectively support the observation of Earth’s outgoing radiation observation and lay the foundation for future research.

Cite this article

HUANG Jing, GUO Huadong, LIU Guang, DENG Yu . Geometric Simulation of Earth’s Outgoing Radiation Viewed from a Moon-Based Platform[J]. Journal of Deep Space Exploration, 2022 , 9(3) : 278 -284 . DOI: 10.15982/j.issn.2096-9287.2022.20210078

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