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Trident is a space mission concept to the outer planets proposed in 2019 to NASA's Discovery Program. [3] [4] The concept includes flybys of Jupiter and Neptune with a focus on Neptune's largest moon Triton.
Trident would have taken advantage of an ~13-yr, nearly-ballistic trajectory to Triton, utilizing a timely Jupiter Gravity Assist, to execute a 10-day long encounter in the Neptunian system. Launch was planned for October 2025, with Triton arrival scheduled for December 2038.
Jun 16, 2020 · Investigating how Triton has changed over time would give scientists a better understanding of how solar system bodies evolve and work. A new Discovery mission proposal, Trident would explore Neptune’s largest moon, Triton, which is potentially an ocean world with liquid water under its icy crust.
Jun 16, 2020 · One of four concepts being considered for a Discovery Program mission, Trident would investigate one of the solar system's most unusual worlds. When NASA's Voyager 2 spacecraft flew by Neptune's strange moon Triton three decades ago, it wrote a planetary science cliffhanger.
- Jet Propulsion Laboratory
Mar 7, 2020 · The Trident mission concept is an excellent case study in “design to cost”: we show how exploration of Triton under Discovery is made possible by radioisotope power combined with a rare, extremely efficient Jupiter gravity assist, enabling a simple, lowmass spacecraft design on a ballistic trajectory.
Feb 27, 2023 · The spacecraft would launch in 2025, arriving at Triton in 2038. It would fly a unique trajectory first identified by Nitin Arora. Trident would go past Venus—using its high gain antenna as a thermal shield—and fly past Earth twice, then head past Jupiter in 2032, bending its orbit to head towards Neptune.
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Mar 29, 2019 · In order to meet Discovery-level costs, Trident would launch on a smaller vehicle at a more sedate speed. It would need all 12 years to get to Neptune’s orbit. But it will also be a smaller craft.
