Probably same engine as one on Dawn mission. From total dry mass of 750kg it had 30sq.m of solar panels and lots of other stuff. https://en.m.wikipedia.org/wiki

Probably same engine as one on Dawn mission. From total dry mass of 750kg it had 30sq.m of solar panels and lots of other stuff. https://en.m.wikipedia.org/wiki/Dawn_(spacecraft) https://en.m.wikipedia.org/wiki/Dawn_(spacecraft)