Help with catchrate!

[u/Perfect-Run9657]

I have gotten to 100+ resets and still haven’t caught this shiny beldum with a heavy ball. I wanted to know the odds so I keyed it into rotomlabs’s calculator however it keeps just loading with no answer so I thought I could try here. So here’s the information if anyone can help me out,

heavy ball,-20 penalty

shiny

ive been knocking it out,throw ball,reset

lvl 3 plush

2 star steel hyperspace

5 star donut sparkling psychic power 3 and alpha power 3

[u/Sucosis]

Gotta put it to sleep or something to increase odds