ROBLOX Part Orbit

local centerPart = workspace.CenterPart
local orbitPart = workspace.OrbitPart
local offset = 10
local orbitCompletionTime = 5 -- in seconds, roughly since wait() times can change

while wait() do
    local startTime = tick()
    local frameTime = wait()
    for theta = 0, math.pi * 2, (math.pi * 2) / (orbitCompletionTime/frameTime) do
        orbitPart.CFrame = centerPart.CFrame * (CFrame.Angles(0,theta,0) * CFrame.new(0,0,offset))
        wait()
    end
    print(("Orbit completed in %s seconds."):format(tick() - startTime))
end