Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13019
Title: Feasibility study for near-earth-object tracking by a piggybacked micro-satellite with penetrators
Authors: Weiss, P
Leung, W
Yung, KL 
Keywords: Apophis
Asteroid
CubeSat
Don Quijote
NEO
SOLO
Issue Date: 2010
Publisher: Pergamon-Elsevier Science Ltd
Source: Planetary and space science, 2010, v. 58, no. 6, p. 913-919 How to cite?
Journal: Planetary and Space Science 
Abstract: As of August 2007, over 5000 near-earth-objects (NEO) have been discovered. Some already represent a potential danger to the Earth while others might become hazards in the future. The Planetary Society organised in 2007 the "Apophis Mission Design Competition" in response to this potential threat with the objective to identify promising concepts to track NEOs; the asteroid 99942 Apophis was taken as the study case. This paper describes the "Houyi" proposal which was evaluated by the competition jury as an innovative approach to this problem. Instead of launching a large satellite for NEO tracking, this novel concept proposes a miniaturized satellite that is piggybacked onto a larger (scientific) mission. Such mission design would drastically reduce the costs for NEO surveillance. The presented scenario uses the ESA's SOLO mission as a design baseline for the piggyback option. This paper summarizes the architecture of this CubeSat towards Apophis and extends the previous study by focusing on the feasibility of a piggybacked mission in terms of propulsion requirements.
URI: http://hdl.handle.net/10397/13019
DOI: 10.1016/j.pss.2010.02.012
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