Top 10Updated 2026年3月16日
Top 10 Longest Traveled Asteroid Exploration Missions
This ranking is based on the cumulative distance traveled by spacecraft from launch to their current position or mission end. It includes gravity assists and deep-space maneuvers, highlighting the scale and ambition of human exploration in deep space.
Current #1
Dawn
Interesting Facts & Summary
Limits of Deep Space Exploration
- The Complexity of Distance: Longer distances often imply complex orbital designs. Top missions utilized multiple gravity assists, leading to flight paths far exceeding the simple point-to-point distance.
- Distance vs. Mission: The Dawn mission's extreme distance is attributed to its ion propulsion, allowing for continuous trajectory adjustments to visit two distinct targets (Vesta and Ceres).
- The Milestone: This ranking represents not just a race of distance, but a pinnacle of human navigation and telecommunication accuracy in the vacuum of space.
| Rank | Spacecraft Name | Total Distance (10^8 km) | Primary Targets |
|---|---|---|---|
Dawn | 69 | Vesta, Ceres | |
Hayabusa2 | 52.4 | Ryugu | |
OSIRIS-REx | 39.8 | Bennu | |
| 4 | Hayabusa | 29.5 | Itokawa |
| 5 | DART | 11 | Dimorphos |
| 6 | Lucy | 8.5 | Trojan Asteroids |
| 7 | Psyche | 6.8 | 16 Psyche |
| 8 | NEAR Shoemaker | 5.4 | Eros |
| 9 | NEOWISE | 4.2 | Near-Earth Object Survey |
| 10 | NEAR | 3.8 | Mathilde |
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CategoryScience & Exploration
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