As a result of comments in this thread at Lavartus Prodeo, I have been Googling Solar Inertial Motion. Discussion on it is not easy to find outside anti-AGW websites.
The application of Solar Interial Motion (SIM) to Climate Change is a work of the Australian scientist, recently deceased, Rhodes Fairbridge
After some poking around, SIM seems like a particular case of the Sunspot explanation for climate change, i.e. that changes in Solar Output explain Global Warming and Cooling.
Here’s Fairbridge in his article The “Solar Jerk”, The King-Hele Cycle,and the Challenge to Climate Science”
“… a planet revolving about the Sun in its “Keplerian” elliptical orbit delivered no energetic jolt to the Sun’s photosphere, such as might explain the episodic growth of sunspots. Read more »
