sidereal (adj.)
- asteroidal
- astral
- astronomic
- astrophysical
- celestial
- cislunar
- empyreal
- empyrean
- equinoctial
- extragalactic
- galactic
- heavenly
- heliacal
- interplanetary
- interstellar
- lunar
- lunary
- lunate
- meteoric
- meteoritic
- nebular
- nebulose
- nebulous
- planetal
- planetary
- semilunar
- solar
- starry
- stellar
- terrestrial
- uranic
- zodiacal