(58145) Gus Main-belt Asteroid

Discovered on 1 August 1986 by M. Rudnyk at Palomar.

The discoverer’s father Augustin J. “Gus” Rudnyk (1927–2011) always encouraged his son in science and art. A WW2 veteran (US Army/Counter Intelligence Corps), he also worked on: communications systems for the Lunar Excursion Module for NASA’s Apollo lunar program; Space Shuttle data systems; and numerous US Defense intelligence satellite programs.Naming citation (WGSBN Bull. 2, #11, 9), IAU / Minor Planet Center, via NASA/JPL

Where Gus is today

MercuryVenusEarthEarthMarsMarsGusGus

Seen from above the solar system on 2026-10-14: Gus is 2.76 au from the Sun and 3.40 au from Earth. Computed from JPL's orbital elements.

Facts

Number58145
Provisional designation1986 PT1
Orbit classMain-belt Asteroid
Diameter4.07 km (#12,558 largest of 17,440 named asteroids with a measured size)
Albedo0.0330
Rotation period79.5 hours
Absolute magnitude (H)15.87
Orbital period3.51 years
Semi-major axis2.31 au
Perihelion – aphelion1.84 – 2.78 au
Eccentricity0.205
Inclination4.41°
Closest distance between its orbit and Earth's (MOID)0.826 au

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

Also discovered on 1 August 1986

More named asteroids discovered by M. Rudnyk