Incomplete link.
Here’s the correct one.
http://www.universetoday.com/108039/a-distant-view-of-janus-one-of-saturns-dancing-moons/
If we ever get real space travel, I would love to watch the switch happen
“Janus goes faster and higher one time, slower and lower the next”
This is backwards. Should be faster and lower one time and slower and higher the next. Kepler’s 3rd Law. The lower orbit is swifter.
...that isn’t a moon...