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

  • Remembering Tim May I note with sadness the recent death of Tim May, reported here and here.  Before I was a spacecraft engineer I was a Cypherpunk, and Tim was at the core ...
    Posted Dec 15, 2018, 5:03 PM by Doug Sinclair
  • A busy week Most of our satellite launches for this year have happened in the past week.  On November 29, Blacksky Global-1 was launched on a PSLV.  On December 3, Blacksky Global ...
    Posted Dec 3, 2018, 12:08 PM by Doug Sinclair
  • 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
Showing posts 1 - 5 of 71. 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