GJ 436 b is a Neptune-like exoplanet that orbits an unknown-type star. Its mass is 22.1 Earths, it takes 2.6 days to complete one orbit of its star, and is 0.0291 AU from its star. Its discovery was announced in 2004.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2004
MASS
22.1 Earths
PLANET RADIUS
0.372 x Jupiter
ORBITAL RADIUS
0.0291 AU
ORBITAL PERIOD
2.6 days
ECCENTRICITY
0.13827
DETECTION METHOD
Radial Velocity