28998
28998 is a minor planet in the outer region of the asteroid belt, orbiting the Sun between Mars and Jupiter. It was discovered on September 24, 1999, by the Lowell Observatory Near-Earth-Object Search (LONEOS) at Anderson Mesa Station in Arizona. The asteroid is classified as a main-belt asteroid, with a semi-major axis of approximately 3.1 astronomical units (AU), a period of 5.5 years, and an eccentricity of 0.13. Its absolute magnitude is 14.7, indicating a diameter of roughly 3.5 kilometers. The asteroid's spectral type is unknown, but it is likely a C-type asteroid, which are carbonaceous and often found in the outer asteroid belt. 28998 has a rotation period of about 5.6 hours and an axial tilt of approximately 20 degrees. It is named after the discoverer's observatory, the Lowell Observatory, which is located in Flagstaff, Arizona. The asteroid's official designation is 28998 Lowell.