Distance from earth to gps satellite? Navigation satellites move around Earth at an altitude of about  1,243 miles to 22, 223 miles and at about the same speed of  rotation. These satellites are in what is calle â¦ d Medium-Earth  orbits (MEO).
When aerating your lawn, it is best to aerate on a day where the temperatures are milder and the soil in a moist condition, which will make the aerating process much easier. Aerating wet soil can be a real nuisance due to the fact that the plugs will get stuck in the hollow tines and can further compact you soil.
Determining When It's Time to Aerate Your Yard. 1  1. Know what kind of grass you have. Different types of grasses grow most actively during certain seasons of the year. 2  2. Know what type of soil you have. Clay-heavy soils need to be aerated frequently, about once a year, since the soil tends to be dense and compact. 3  3. Know your lawn habits.