Sinclair Interplanetary


The Company

Founded in 2001 by Doug Sinclair, Sinclair Interplanetary is a supplier of hardware, software, training and expertise to the spacecraft community.  The primary focus is on low-cost, rapid-schedule programs to produce micro- or nano-satellites.

Latest News

Recent Announcements

  • Ruby Lasers Sharing this picture, because they are just so pretty.  These are flight-model ruby laser assemblies for the Darkstar laser downlink terminal.  They are not the main communications lasers (nor ...
    Posted Oct 18, 2018, 2:54 PM by Doug Sinclair
  • Vacuum pump free to a good home Welch 1399 vacuum pump now on the free to a good home page.  Every Sinclair Interplanetary sun sensor and torque rod was potted under vacuum from this pump.  Come take ...
    Posted Oct 18, 2018, 2:43 PM by Doug Sinclair
  • MOST space telescope turns 15, and a secret is told Today is the 15th anniversary of the launch of the MOST space telescope.  This little mission was ground breaking for both its science and its technology.  Scientifically, it has observed ...
    Posted Jun 30, 2018, 6:18 PM by Doug Sinclair
  • Rainbow Rotors We are now making RW3-0.06 wheels in large volume, on slightly different CNC lathes than before.  The new rotors have a beautiful rainbow iridescence to them.  I believe ...
    Posted Jun 5, 2018, 2:31 PM by Doug Sinclair
  • High Water Mark In July of last year, we noted that the order book was momentarily empty.  On January 15 we announced that the order book has closed for flight models for 2018 ...
    Posted May 14, 2018, 6:04 AM by Doug Sinclair
Showing posts 1 - 5 of 69. View more »


Star Trackers

Reaction Wheels

Optical Communications

Licensed Products

Inventory for Sale

Special Products and Services 

Capabilities and Equipment 

Space Heritage 


Peaceful Use Policy

Free to a Good Home