HD 100777 is a single[6] star with a planetary companion in the equatorial constellation of Leo.
The distance to the star is approximately 162 light years based on parallax measurements.
The star is roughly five[4] billion years old with an inactive chromosphere[7] and is spinning with a projected rotational velocity of 1.7 km/s.
[4] A 2015 survey ruled out the existence of any additional stellar companions at projected distances from 18 to 369 astronomical units.
The inclination of the orbital plane of this body is unknown, so only a lower limit on the mass can be determined.