HomeScience & ExplorationTop 10 Longest Traveled Asteroid Exploration Missions
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.
RankSpacecraft NameTotal Distance (10^8 km)Primary Targets
Dawn
69Vesta, Ceres
Hayabusa2
52.4Ryugu
OSIRIS-REx
39.8Bennu
4
Hayabusa
29.5Itokawa
5
DART
11Dimorphos
6
Lucy
8.5Trojan Asteroids
7
Psyche
6.816 Psyche
8
NEAR Shoemaker
5.4Eros
9
NEOWISE
4.2Near-Earth Object Survey
10
NEAR
3.8Mathilde

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