Planets spring or ellipse how to closely observe?

[9/10, 22:34] Dr. Harish Ravi: There's planetary plane and mercury goes around in 100 days earth has seasons in 365 days and Jupiter 800 days can be seen in Google sky.. That's enough to prove Helio centric.. However does it fill the heart?

[9/10, 22:40] Dr. Harish Ravi: Should we see linear speed up and slow sine motion down to say it's eliptical and not just like a spring..

Ni[9/10, 22:43] Dr. Harish Ravi: From childhood we saw amazing animations but later saw just linear spring like.. so how to take small detailed notes of out of plane?