Yes, both orbs were around the same size. Can you please share what this entity is called? I would like to research it. Thank you
Well, I am actually trying to avoid mentioning names here, since I've had some bad experience years ago just because I mentioned the name of a particular negative entity in Indonesia. But here, I'll give you 2 links. The first link is in English, but the 2nd one is in Indonesian (you can try to translate it into English). You can see the name in both links, but please avoid saying the name in here if you can.
It is said in the first link, that the entity has a humanoid form engulfed in flames. All I know, it's from another region in Indonesia. You may also want to ignore the picture on that link btw, since I believe they were faked.
If you want to research it yourself, I'm afraid you won't find many references about it in English. But if you use the name as the keyword however, there're quite many sites you can find discussing this one particular entity, but all of them are in Indonesian (like the 2nd link, for example), and you'll have to translate them.
In Sunda, this particular entity is known to have a form resemblance to that of an orb or sometimes a fireball, as big as-just like you said, a basketball, in size. The one I've seen was looked like an orb, emitting blinding light (almost like the sun) and burning heat, as I saw it when it was angry.
Banaspati
Banaspati, Hantu Roh Bola Api | Indozone.id