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Princeton Satellite Systems, Inc. is a small company developing advanced technology for the aerospace and energy sectors. Our agility and focus enables us to rapidly develop innovative solutions to a wide range of aerospace and energy problems. Our commercial hardware and software products enable our customers to pursue the same types of demanding, state-of-the-art applications.

Our core values include a dedication to learning and an emphasis on innovation. We believe that each employee can grow intellectually, learn new disciplines, and contribute original ideas to our business areas.

Recent Posts

Artemis: From Gateway to Low Lunar Orbit

One concept Gateway may be in a polar orbit with an apolune of 70,000 km and perilune of 3,000 km. One concept is for the lander and Orion to meet at Gateway. Our alternative is for Artemis to stay in a low lunar orbit and be met there by Orion, the cargo transfer vehicle and the tanker. There are many orbit maneuver sequences that will get us from Gateway to our 15 km altitude orbit. A simple one is shown below. We first lower apogee to 3,000 km we then do a Hohmann transfer from the 3,000 km orbit to the 1753 km orbit (that is 15 km altitude). The maneuver to lower apogee is shown below.

The delta-v for the first maneuver is 0.49 km/s and for the Hohmann transfer is 0.39 km/s.

While in low lunar orbit in between landings the lunar lander will do high resolution photo surveys of the surface. These will be used to train the neural network for landing navigation.

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