Overview of the Phoenix Entry, Descent, and Landing System Architecture | Zendy

Myron R. Grover | Zendy; Benjamin Cichy | Zendy; Prasun N. Desai | Zendy

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Overview of the Phoenix Entry, Descent, and Landing System Architecture

Author(s) -

Myron R. Grover,

Benjamin Cichy,

Prasun N. Desai

Publication year - 2011

Publication title -

journal of spacecraft and rockets

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.758

H-Index - 79

eISSN - 1533-6794

pISSN - 0022-4650

DOI - 10.2514/1.46548

Subject(s) - spacecraft , phoenix , aerospace engineering , descent (aeronautics) , spacecraft design , architecture , systems engineering , space (punctuation) , missile , space vehicle , aeronautics , space exploration , computer science , aerospace , engineering , operating system , medicine , art , metropolitan area , pathology , visual arts

NASA s Phoenix Mars Lander began its journey to Mars from Cape Canaveral, Florida in August 2007, but its journey to the launch pad began many years earlier in 1997 as NASA s Mars Surveyor Program 2001 Lander. In the intervening years, the entry, descent and landing (EDL) system architecture went through a series of changes, resulting in the system flown to the surface of Mars on May 25th, 2008. Some changes, such as entry velocity and landing site elevation, were the result of differences in mission design. Other changes, including the removal of hypersonic guidance, the reformulation of the parachute deployment algorithm, and the addition of the backshell avoidance maneuver, were driven by constant efforts to augment system robustness. An overview of the Phoenix EDL system architecture is presented along with rationales driving these architectural changes.

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