Data and algorithms
天文单位
Astronomical unit
Earth–Sun mean distance, 149.6 million km.
Jupiter sits at about 5.2 AU.
Related terms
- Light-year — Distance light travels in a year, 9.46 trillion km.
- Parsec — Distance at one arcsecond parallax, 3.26 light-years.
- Declination — The celestial equivalent of latitude.
- Right ascension — The celestial equivalent of longitude, in hours.