1988 UA is reasonably close to Earth, at an average distance of 2.62 astronomical units (AU). 1988 UA is now slightly over 2 AU from the sun; its distance ranges from 2.94 2.94 AU at aphelion to 2 AU at perihelion. Its orbital period is 3.89 years. This asteroid was identified in 1988, and the orbit was determined using data including pre-discovery observations going back to 1971. It is also known as 1992 UL3.