Novel solar sail mission concepts for high-latitude earth and lunar observation

Jeannette Heiligers, Jeffrey S. Parker, Malcolm Macdonald

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This paper proposes the use of solar sail periodic orbits in the Earth-Moon system for observation of the high-latitudes of the Earth and Moon. At the Earth, the high-latitudes will be crucial in answering questions concerning global climate change, monitoring space weather events and ensuring sustainable development of these fragile regions. The polar regions of the Moon, especially the South Pole, are of great scientific interest as well as a potential destination for a future permanent lunar base. The existence of families of solar sail periodic orbits in the Earth-Moon system has previously been demonstrated by the authors and is expanded in this paper by introducing additional orbit families. The paper focuses in particular on orbits that are achievable with near-term solar sail technology and that originate by maintaining the solar sail at a constant attitude with respect to the Sun such that mission operations are greatly simplified. The results provide a set of constellations for continuous observation of the high-latitudes. For example, a constellation of two solar sail L2-displaced vertical Lyapunov orbits can achieve continuous observation of both the lunar South Pole and the centre of the Aitken Basin at a minimum elevation of 15 deg, while at the Earth, a set of two, so-called 'clover-shaped' orbits can provide continuous coverage of one of the Earth's Poles at 20 deg minimum elevation. Transferring these orbits to a higher-fidelity model, taking among others the eccentricity of the Moon into account, shows that these orbits still exist without any significant impact on their performance for high-latitude observation of the Earth and Moon.
LanguageEnglish
Pages212-230
JournalJournal of Guidance, Control and Dynamics
Volume41
Issue number1
DOIs
Publication statusPublished - 30 Dec 2017

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ice ridge
polar regions
Moon
Orbits
Orbit
Earth (planet)
orbits
moon
Pole
Earth-Moon system
Poles
Periodic Orbits
poles
constellations
Sustainable Development
Question Answering
Eccentricity
Moon bases
Climate Change
Sun

Keywords

  • solar sail applications
  • lunar polar region
  • lunar observation

Cite this

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abstract = "This paper proposes the use of solar sail periodic orbits in the Earth-Moon system for observation of the high-latitudes of the Earth and Moon. At the Earth, the high-latitudes will be crucial in answering questions concerning global climate change, monitoring space weather events and ensuring sustainable development of these fragile regions. The polar regions of the Moon, especially the South Pole, are of great scientific interest as well as a potential destination for a future permanent lunar base. The existence of families of solar sail periodic orbits in the Earth-Moon system has previously been demonstrated by the authors and is expanded in this paper by introducing additional orbit families. The paper focuses in particular on orbits that are achievable with near-term solar sail technology and that originate by maintaining the solar sail at a constant attitude with respect to the Sun such that mission operations are greatly simplified. The results provide a set of constellations for continuous observation of the high-latitudes. For example, a constellation of two solar sail L2-displaced vertical Lyapunov orbits can achieve continuous observation of both the lunar South Pole and the centre of the Aitken Basin at a minimum elevation of 15 deg, while at the Earth, a set of two, so-called 'clover-shaped' orbits can provide continuous coverage of one of the Earth's Poles at 20 deg minimum elevation. Transferring these orbits to a higher-fidelity model, taking among others the eccentricity of the Moon into account, shows that these orbits still exist without any significant impact on their performance for high-latitude observation of the Earth and Moon.",
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Novel solar sail mission concepts for high-latitude earth and lunar observation. / Heiligers, Jeannette; Parker, Jeffrey S.; Macdonald, Malcolm.

In: Journal of Guidance, Control and Dynamics, Vol. 41, No. 1, 30.12.2017, p. 212-230.

Research output: Contribution to journalArticle

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