HD 198404

HD 198404 is a star in the equatorial constellation Delphinus. It has an apparent magnitude of 6.19, allowing it to be faintly seen with the naked eye. Parallax measurements place the object at a distance of 395 light years and it is approaching the Solar System with a heliocentric radial velocity of.
HD 198404 has a simple stellar classification of K0, indicating that it is a K-type star. Its enlarged diameter of and its low surface gravity suggest that it has evolved away from the main sequence to become a giant star. HD 198404 has 3.12 times the mass of the Sun and radiates at 56 times the luminosity of the Sun from its photosphere at an effective temperature of, giving it a yellowish orange hue. The star is metal enriched, having an iron abundance 48% greater than that of the Sun.
HD 198404 has an optical companion located away along a position angle of .