RA 316.9922° · Dec -5.2949° · exoplanet
3 more points to reach Epic.
HU Aqr AB b is a rare exoplanet. It lies about 626.9 light-years from Earth, shines at apparent magnitude 16.18, spans roughly 12.8 Earth radii and weighs about 1,875.2 Earth masses.
Its density says rock, though lighter than Earth's mix: probably less iron, or a thick shell of water and ice over the top.
At apparent magnitude 16.18, it takes a larger telescope or a long-exposure image to capture.
Like any astronomical target, HU Aqr AB b is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. The visibility panel above works out tonight's viewing window for your saved location.
HU Aqr AB b scores 47 points on Spacedle's rarity scale, which places it in the rare tier. Another 3 points would lift it into a rarer tier.
That score comes from 6 science badges — Confirmed exoplanet, Gas giant, Multi-planet system, Circumbinary (orbits both stars), Orbits a Sun-like star and Disputed — it may not be there at all — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.