The dominant signal, corresponding to a planet with about the same mass as Jupiter but which orbits 55 Cancri A more closely than Mercury orbits the sun, was detected in 1996.

• 1996年，科学家探测到了起支配作用的讯号，这种讯号表明发出讯号的行星与木星有着相同的质量，但它围绕恒星“55CancriA”运行的距离比水星围绕太阳运行的距离还要小。