Earth's 4 momentums:

spin

revolution

circular motion

straight-out motion (fastest momentum)

(same for Mercury, different in some details)

Earth's 3 gravitational 'units':

planet

solar system

milky way

(same for Mercury)

Sun's 3 momentums:

slow spin (near stationary in solar system)

circular motion (in galaxy)

straight-out motion (fastest momentum with galaxy)

Sun's 3 gravitational entities

star

star system

milky way