Easily retrievable objects among the NEO population

Daniel Garcia Yarnoz, Joan-Pau Sanchez Cuartielles, Colin McInnes

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Asteroids and comets are of strategic importance for science in an effort to understand the formation, evolution and composition of the Solar System. Near-Earth Objects (NEOs) are of particular interest because of their accessibility from Earth, but also because of their speculated wealth of material resources. The exploitation of these resources has long been discussed as a means to lower the cost of future space endeavours. In this paper, we consider the currently known NEO population and define a family of so-called Easily Retrievable Objects (EROs), objects that can be transported from accessible heliocentric orbits into the Earth’s neighbourhood at affordable costs. The asteroid retrieval transfers are sought from the continuum of low energy transfers enabled by the dynamics of invariant manifolds; specifically, the retrieval transfers target planar, vertical Lyapunov and halo orbit families associated with the collinear equilibrium points of the Sun-Earth Circular Restricted Three Body problem. The judicious use of these dynamical features provides the best opportunity to find extremely low energy Earth transfers for asteroid material. A catalogue of asteroid retrieval candidates is then presented. Despite the highly incomplete census of very small asteroids, the ERO catalogue can already be populated with 12 different objects retrievable with less than 500 m/s of Δv. Moreover, the approach proposed represents a robust search and ranking methodology for future retrieval candidates that can be automatically applied to the growing survey of NEOs.
LanguageEnglish
Pages367-388
Number of pages22
JournalCelestial Mechanics and Dynamical Astronomy
Volume116
Issue number4
Early online date22 Jun 2013
DOIs
Publication statusPublished - Aug 2013

Fingerprint

near Earth objects
asteroids
Asteroids
Earth (planet)
retrieval
asteroid
Retrieval
catalogs
resources
solar orbits
costs
census
three body problem
ranking
Orbits
Orbit
exploitation
comets
Restricted Three-body Problem
solar system

Keywords

  • asteroid dynamics
  • asteroid capture
  • near-Earth objects
  • libration point orbits
  • asteroid retrieval
  • retrievable mass limit

Cite this

Garcia Yarnoz, Daniel ; Sanchez Cuartielles, Joan-Pau ; McInnes, Colin. / Easily retrievable objects among the NEO population. In: Celestial Mechanics and Dynamical Astronomy. 2013 ; Vol. 116, No. 4. pp. 367-388.
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abstract = "Asteroids and comets are of strategic importance for science in an effort to understand the formation, evolution and composition of the Solar System. Near-Earth Objects (NEOs) are of particular interest because of their accessibility from Earth, but also because of their speculated wealth of material resources. The exploitation of these resources has long been discussed as a means to lower the cost of future space endeavours. In this paper, we consider the currently known NEO population and define a family of so-called Easily Retrievable Objects (EROs), objects that can be transported from accessible heliocentric orbits into the Earth’s neighbourhood at affordable costs. The asteroid retrieval transfers are sought from the continuum of low energy transfers enabled by the dynamics of invariant manifolds; specifically, the retrieval transfers target planar, vertical Lyapunov and halo orbit families associated with the collinear equilibrium points of the Sun-Earth Circular Restricted Three Body problem. The judicious use of these dynamical features provides the best opportunity to find extremely low energy Earth transfers for asteroid material. A catalogue of asteroid retrieval candidates is then presented. Despite the highly incomplete census of very small asteroids, the ERO catalogue can already be populated with 12 different objects retrievable with less than 500 m/s of Δv. Moreover, the approach proposed represents a robust search and ranking methodology for future retrieval candidates that can be automatically applied to the growing survey of NEOs.",
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Garcia Yarnoz, D, Sanchez Cuartielles, J-P & McInnes, C 2013, 'Easily retrievable objects among the NEO population' Celestial Mechanics and Dynamical Astronomy, vol. 116, no. 4, pp. 367-388. https://doi.org/10.1007/s10569-013-9495-6

Easily retrievable objects among the NEO population. / Garcia Yarnoz, Daniel; Sanchez Cuartielles, Joan-Pau; McInnes, Colin.

In: Celestial Mechanics and Dynamical Astronomy, Vol. 116, No. 4, 08.2013, p. 367-388.

Research output: Contribution to journalArticle

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