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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.
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| 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 | +} | |