If we're talking about a planet that allows for regenerating at +1 a tick, that would be crazy~!
Maybe a planet regenerating at +0.1 per tick would be more feasible.
Then with 1 planet you would have one extra op per 10 ticks of regeneration.
If you had 2 + 0.1 ops per tick planets, for a total of 0.2 regenerated per tick, then you would get 1 extra op regenerated every 5 ticks.
3 planets +0.1 ops per tick regenerated would give you an extra op regenerated every 3-4 ticks, depending on the residual bonus carried over to the next tick.
4 planets = +0.4 ops per tick, regenerating an extra op every 2-3 ticks
5 planets = +0.5 ops per tick, regenerating an extra op every 2 ticks
6 planets = +0.6 ops per tick, regenerating an extra op every 1-2 ticks
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In effect, you would only get an extra op per tick if you had 10 op bonus planets, if, of course, the bonus was only +0.1 ops / tick
It could be you could have different bonuses per planet, some at +0.2 ops / tick or even 0.5 ops per tick. I would think most planets should be +0.1 - 0.2 ops / tick.
Having just 7 + 1.0 ops per tick would allow someone to do capped # of ops every tick! (If # of ops is capped as it currently is at, I believe, 8, that would be, 8 nukes every single tick!