If you get no answer here, I think the Nikon Coolpix forum at DPreview would give you the answer, where you could either post there or perhaps message this chap who seems to have mastered the P1000 on Jupiter.
https://www.dpreview.com/forums/post/62787293
https://www.dpreview.com/forums/post/62757097
I have the much older P500 and never thought to aim it at the moon.
Regards,
Renato