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

  • A nice round number A quiet milestone was reached some months ago, and has only just been tallied up.  Doug Sinclair has now built hardware for exactly 100 satellites that have launched from the ...
    Posted Feb 20, 2020, 11:41 AM by Doug Sinclair
  • Another 2 Star Trackers On Orbit ALE 2 launched today, on Rocket Labs' 10th Electron vehicle.  It carries two more Sinclair Interplanetary star trackers, bringing our total in space up to 57.This brief video shows ...
    Posted Dec 6, 2019, 9:27 AM by Doug Sinclair
  • RW4-1.0 GEO Wheels Use Less Power The first RW4-1.0 reaction wheels are getting ready to ship out.  This is an evolution of the earlier RW3-1.0 wheel, built rad-hard and intended for ...
    Posted Nov 30, 2019, 9:52 AM by Doug Sinclair
  • Free to a good home: BGA-100 Microscope We now have a surplus BGA optical inspection microscope.  Let us know if you want it!Edit: Snapped up within hours.
    Posted Oct 9, 2019, 11:02 AM by Doug Sinclair
  • Smallsat Another successful Smallsat conference has come and gone.  We are indebted to the organizers and volunteers who continue to make this the most important event in our calendar every year ...
    Posted Aug 10, 2019, 6:25 AM by Doug Sinclair
Showing posts 1 - 5 of 81. 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