In-Space transportation company powering asteroid mining.

 
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Space Apprentices Enterprise Inc is doing business as Momentus Space

Vision

A future where humanity is equipped with all it needs to thrive and move freely throughout the solar system.

Mission

Momentus Space’s mission is to make our solar system more accessible by providing the first in-space transportation ecosystem comprised of the most efficient, affordable propulsion technology, spacecraft and asteroid resource utilization services available.

Strategy

To refuel and transport any spacecraft/payload in cislunar space by providing water bunkering, tugging and asteroid water quarrying, powered by breakthrough propulsion technologies with water as a propellant.

WATER PLASMA PROPULSION IS A FUTURE OF SPACE EXPLORATION

EFFICIENT

High Specific Impulse. Need 3-4 times less fuel to fly same distance, then most common deep space propellants such as hydrazine. 

FAST

For the same input electrical power water plasma propulsion has 2-3 times higher trust then electrical propulsion. So, instead of flying 2-3 years to nearest asteroids you can fly in several months. 

EASY TO STORE

Water is much easier and cheaper to store then cryogenic propulsion components (hydrogen, oxygen, methane). Water is much denser then xenon used for electrical propulsion. 

SAFE AND CHEAP

Safety issues and price of fuel increase mission costs, and in many case could prohibit some applications. Water is the most safe and cheap substance, that could could be used for propulsion.