Unmanned Spaceflight.com > When is the next grand tour?

Full Version: When is the next grand tour?

Unmanned Spaceflight.com > Mars & Missions > Past and Future

Bill Thompson

Nov 8 2006, 06:28 PM

Remember in the 70's when the orbits of the planets lined up just right so that we could have a grand tour of the solar system? Anyone know when the next time this will happen?

PhilCo126

Nov 8 2006, 06:35 PM

I believe that would be every 176 years ... Both Voyagers were launched in August 1977 so add 176 to that

climber

Nov 8 2006, 08:42 PM

QUOTE (PhilCo126 @ Nov 8 2006, 07:35 PM)

I believe that would be every 176 years ... Both Voyagers were launched in August 1977 so add 176 to that

Unless the definition of "planet" will changed again

dilo

Nov 8 2006, 10:32 PM

Bill, I absolutely love your avatar!

This is a "lo-fi" version of our main content. To view the full version with more information, formatting and images, please click here.