Marcelo de Oliveira Souza identifies 153-day Mars round trip using asteroid 2001 CA21 data
Updated
Updated · Gizmodo · Apr 29
Marcelo de Oliveira Souza identifies 153-day Mars round trip using asteroid 2001 CA21 data
5 articles · Updated · Gizmodo · Apr 29
The study, published in Acta Astronautica, finds that a 153-day round trip is possible during the 2031 Mars opposition using the asteroid’s early orbital predictions.
By analyzing three launch windows—2027, 2029, and 2031—Souza determined only 2031 aligns favorably for this shortcut, potentially reducing Mars mission durations by hundreds of days.
This research suggests asteroid orbital data could be a valuable tool for planning faster interplanetary missions, expanding the role of asteroids beyond planetary defense to space navigation.
Could an asteroid's path unlock a five-month round trip to Mars for humans by 2031?
With solar maximum making deep space safer, is 2031 our best chance for a fast, crewed Mars mission?
How will this high-speed trajectory challenge existing spacecraft technology for braking and landing on Mars?
Will NASA's Artemis program adopt this asteroid-guided 'shortcut' for its future manned missions to Mars?
Is this discovery the first step towards an 'interplanetary highway system' guided by natural asteroid orbits?
Does the speed of this Mars shortcut create new, potentially fatal radiation risks from solar flares?