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<p>On October 13, 2023, the Psyche spacecraft launched from Kennedy Space Center aboard a Falcon Heavy Rocket, marking the first use of SPT-140 Hall thrusters for interplanetary propulsion, supported by a cold gas system for launch separation, faulted conditions, and counterbalancing the momentum of the electric propulsion thrusters. This paper presents the first comprehensive account of the system-level verification and validation (V&amp;V) campaign for the Psyche mission, building on prior subsystem-focused reports. The major mission achievements include: (1) successful demonstration of interplanetary Hall thruster operations, (2) the design of a multi-venue V&amp;V strategy that combined hardware and simulation approaches within the resources and risk profile of a Discovery-class mission and (3) organizational lessons from adapting test campaigns under COVID-19 constraints. The paper details the mission operations validation approach, addressing challenges in hardware-software compatibility and the unique demands of a low-thrust, electric propulsion deep-space mission.</p>

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Achieving mission success: a comprehensive look at the verification and validation approach for the Psyche mission – the first demonstration of hall thrusters in interplanetary space IEPC-2024-158

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年12月10日

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  • Jennifer Maxwell,
  • William Hart,
  • Christina Hernandez,
  • David Oh,
  • Natalia Sanchez,
  • John Steven Snyder,
  • Freia Weisner,
  • Torsten Zorn,
  • Ian Johnson

摘要

On October 13, 2023, the Psyche spacecraft launched from Kennedy Space Center aboard a Falcon Heavy Rocket, marking the first use of SPT-140 Hall thrusters for interplanetary propulsion, supported by a cold gas system for launch separation, faulted conditions, and counterbalancing the momentum of the electric propulsion thrusters. This paper presents the first comprehensive account of the system-level verification and validation (V&V) campaign for the Psyche mission, building on prior subsystem-focused reports. The major mission achievements include: (1) successful demonstration of interplanetary Hall thruster operations, (2) the design of a multi-venue V&V strategy that combined hardware and simulation approaches within the resources and risk profile of a Discovery-class mission and (3) organizational lessons from adapting test campaigns under COVID-19 constraints. The paper details the mission operations validation approach, addressing challenges in hardware-software compatibility and the unique demands of a low-thrust, electric propulsion deep-space mission.