(5539) Limporyen Main-belt Asteroid

Discovered on 16 October 1965 by Purple Mountain Observatory at Nanking.

Lim Poryen (b. 1914) is a prestigious philanthropist who helped launch many schools and a first-class Limporyen library in China.Naming citation (20041126/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Limporyen is today

MercuryVenusEarthEarthMarsMarsLimporyenLimporyen

Seen from above the solar system on 2026-10-14: Limporyen is 2.07 au from the Sun and 1.16 au from Earth. Computed from JPL's orbital elements.

Facts

Number5539
Provisional designation1965 UA1
Orbit classMain-belt Asteroid
Diameter10.4 km (#4,903 largest of 17,440 named asteroids with a measured size)
Albedo0.0550
Absolute magnitude (H)13.91
Orbital period3.80 years
Semi-major axis2.44 au
Perihelion – aphelion2.06 – 2.82 au
Eccentricity0.156
Inclination1.82°
Closest distance between its orbit and Earth's (MOID)1.07 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also named after someone called Lim

Also discovered on 16 October 1965

More named asteroids discovered by Purple Mountain Observatory