google says this: Jupiter Consort Juno Children Mars, Vulcan, Bellona, Juventas Parents Saturn and Ops Siblings Roman tradition: Juno, Ceres, Vesta Greco-Roman: Pluto and Neptune

pehraps they were taken already for some other celestial bodies. idk too much about that.

super cool for the dude though that his names got picked :D must be feeling like a champ :D