AJs Cosmic Thing is web-based and I think it does everything on your list.
Anthony Lapinski <Anthony_Lapinski@pds.org> wrote:
I know this is not physics, but does anyone know of good online astronomy
programs/websites that simulate a planetarium? Specifically, I want to
show star motions around Polaris (from various latitudes), sunrise/sunset
positions throughout the year, retrograde motion of planets, and celestial
coordinates (meridian, ecliptic, celestial equator, etc.). I appreciate
any suggestions.