description 55 Cancri Overview
insights Why this score
55 Cancri ranks #43 of 217 in the Star ranking, behind Mintaka, ahead of Dubhe.
Five-planet nearby system with famous super-Earth, strong exoplanet recognition and observational value.
help 55 Cancri FAQ
How many exoplanets orbit the star 55 Cancri?
55 Cancri is a binary star system that hosts five confirmed exoplanets. This makes it one of the few known systems with such a large number of confirmed planets.
Why is the exoplanet 55 Cancri e famous among astronomers?
55 Cancri e is a super-Earth that completes an orbit around its host star in under 18 hours. Because of its incredibly short orbital period and rocky composition, it is often studied as a prime example of a lava world.
How far is the 55 Cancri system from Earth?
The 55 Cancri system is located roughly 41 light-years away from our solar system. It is situated in the northern constellation of Cancer.
What type of stars make up the 55 Cancri binary system?
The primary star, 55 Cancri A, is a yellow dwarf star similar to our own Sun. Its companion, 55 Cancri B, is a smaller, cooler red dwarf star.
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