To start, hopefully my solar system is the same as yours. There is no definite answer depending on how perfectly aligned you are asking. There was an alignment of sorts with 5 planets and the moon May 5th, 2000. The next one of those will happen in 2040. Including all the planets and a near perfect to perfect alignment, it's in the millions of years to trillions of years. For better information check out below:
Our solar system is the planets
There are eight planets and five dwarf planets in our solar system.
There are 8 planets in the solar system
There are eight planets in our solar system.
Our solar system is made of the planets, the sun(which is our star), asteroids, moons, comets. In our Solar System we also have the planets, Mercury, Venus,Earth,Mars,Jupiter,Saturn,Uranus and Neptune.
9 P in the S S = 9 Planets in the Solar System
Our solar system is the planets
There are nine planets in the solar system
Extra solar planets are planets that is outside of our solar system.
There are eight planets and five dwarf planets in our solar system.
There are 5 rocky planets in our solar system if you count Pluto. If not, there are 4 rocky planets in the solar system.
Planets that are not part of our solar system and in other solace systems are called exo-solar planets or exoplanets.
Name the planets that do not exist in the solar system
There are 8 planets in the solar system
eight planets in the solar system
One way to categorize the solar system's planets?
There are 9 Planets near are Solar System.