K+ Mission 1
Spacecraft to visit asteroid Apophis and test mining there
Denver startup building low-cost autonomous spacecraft to mine asteroids for water and other materials. Its first mission, now planned for mid-2028, will test mining gear on the asteroid Apophis ahead of its 2029 close pass by Earth.
Products, by altitude
Deep space · Beyond Mars
In development ![]()
On the ground · 0 km · Earth’s surface
In service ![]()
Prospector
Free software for picking reachable asteroids to visit
Known rounds
| Date | Round | Amount | Led by |
|---|---|---|---|
| Feb 2025 | Seed | $20M | Plural, Hummingbird Ventures1 |
Milestones
- Sep 2026 Karman+ released Prospector, its asteroid target and spacecraft design tool, as open source under Apache-2.0. Company statement2
- Jul 2026 Karman+ named asteroid Apophis as the target of its first mission and moved launch from early 2027 to mid-2028 after a propulsion vendor delay. Company statement3
Sources
Updated Oct 22, 2026 · How we source facts · Suggest a correction