Sample return from Mercury and other terrestrial planets using solar sail propulsion

Gareth W. Hughes, M. Macdonald, Colin McInnes, A. Lyngvi, P. Falkner, A. Atzei

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

A conventional Mercury sample return mission requires significant launch mass due to the large AV required for the outbound and return trips and the large mass of a planetary lander and ascent vehicle. It is shown that solar sail spacecraft can be used to reduce lander mass allocation by delivering the lander to a low, thermally safe orbit close to the planetary terminator. In addition, the ascending node of the solar sail spacecraft parking orbit plane can be artificially forced to avoid out-of-plane maneuvers during ascent from the planetary surface. Propellant mass is not an issue for spacecraft with solar sails, and so a sample can be returned relatively easily without resorting to lengthy, multiple gravity assists. A 275-m2 solar sail with a sail assembly loading of 5.9 g/m2 is used to deliver a lander, cruise stage, and science payload to a forced sun-synchronous orbit at Mercury in 2.85 years. The lander acquires samples and conducts limited surface exploration. An ascent vehicle delivers a small cold-gas rendezvous vehicle containing the samples for transfer to the solar sail spacecraft. The solar sail spacecraft then spirals back to Earth in 1 year. The total mission launch mass is 2353 kg, launched using a Japanese H2 class launch vehicle, C3 = 0. Extensive launch date scans have revealed an optimal launch date in April 2014 with sample return to Earth 4.4 years later. Solar sailing reduces launch mass by 60% and trip time by 40%, relative to conventional mission concepts. In comparison, mission analysis has demonstrated that solar-sail-powered Mars and Venus sample returns appear to have only modest benefits in terms of reduced launch mass, at the expense of longer mission durations, than do conventional propulsion systems.
LanguageEnglish
Pages828-835
Number of pages7
JournalJournal of Spacecraft and Rockets
Volume43
Issue number4
DOIs
Publication statusPublished - 2006

Fingerprint

solar propulsion
ice ridge
terrestrial planets
Planets
Propulsion
Spacecraft
planet
spacecraft
Orbits
ascent
launch dates
vehicles
Planetary landers
Solar sails
Earth (planet)
parking orbits
Launch vehicles
Parking
solar sails
Propellants

Keywords

  • solar sails
  • space flight
  • spacecraft
  • mercury
  • planets

Cite this

Hughes, Gareth W. ; Macdonald, M. ; McInnes, Colin ; Lyngvi, A. ; Falkner, P. ; Atzei, A. / Sample return from Mercury and other terrestrial planets using solar sail propulsion. In: Journal of Spacecraft and Rockets. 2006 ; Vol. 43, No. 4. pp. 828-835.
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Sample return from Mercury and other terrestrial planets using solar sail propulsion. / Hughes, Gareth W.; Macdonald, M.; McInnes, Colin; Lyngvi, A.; Falkner, P.; Atzei, A.

In: Journal of Spacecraft and Rockets, Vol. 43, No. 4, 2006, p. 828-835.

Research output: Contribution to journalArticle

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