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Asteroid billiard: most asteroid flybys before a rendezvous (GTOC4)
Fly a low-thrust spacecraft past as many of 1436 near-Earth asteroids as possible within ten years, then rendezvous with one more.
| 1 | { |
| 2 | "domain": "engineering-energy", |
| 3 | "topics": [ |
| 4 | "aerospace-trajectory" |
| 5 | ], |
| 6 | "type": "design", |
| 7 | "benchmark": { |
| 8 | "task": "Maximize the number of asteroid flybys before a final rendezvous", |
| 9 | "metric": { |
| 10 | "name": "Asteroids flown by (ties: higher final mass)", |
| 11 | "better": "higher" |
| 12 | }, |
| 13 | "baseline": { |
| 14 | "name": "Winning score, Moscow State University (GTOC4, 2009)", |
| 15 | "score": 44 |
| 16 | } |
| 17 | }, |
| 18 | "source": { |
| 19 | "key": "gtoc", |
| 20 | "name": "Global Trajectory Optimisation Competition", |
| 21 | "url": "https://sophia.estec.esa.int/gtoc_portal/?page_id=23", |
| 22 | "id": "GTOC4", |
| 23 | "curator": "ESA Advanced Concepts Team", |
| 24 | "poser": "Régis Bertrand, Richard Epenoy and Benoît Meyssignac (CNES)", |
| 25 | "status": "past edition, closed March 2009", |
| 26 | "as_of": "2026-10-20", |
| 27 | "catalog": "0521c19bbd38" |
| 28 | }, |
| 29 | "review": true, |
| 30 | "approval": "first-time" |
| 31 | } |