It's not just a point. You pretty much did a voyager challenge with a 18.6t probe instead of a 25t probe. When the mass limit is 250t, that missing fuel from the probe counts for a lot and makes the challenge way easier.
It's not just a point. You pretty much did a voyager challenge with a 18.6t probe instead of a 25t probe. When the mass limit is 250t, that missing fuel from the probe counts for a lot and makes the challenge way easier.