(28131) Dougwelch Main-belt Asteroid

Discovered on 26 September 1998 by LINEAR at Socorro.

Doug Welch mentored a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students. He teaches at the Central Middle School Eden Prairie, Eden Prairie, Minnesota.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Dougwelch is today

MercuryVenusEarthEarthMarsMarsDougwelchDougwelch

Seen from above the solar system on 2026-10-14: Dougwelch is 2.33 au from the Sun and 3.32 au from Earth. Computed from JPL's orbital elements.

Facts

Number28131
Provisional designation1998 SX127
Orbit classMain-belt Asteroid
Diameter2.18 km (#16,809 largest of 17,440 named asteroids with a measured size)
Albedo0.373
Absolute magnitude (H)15.51
Orbital period3.32 years
Semi-major axis2.23 au
Perihelion – aphelion1.90 – 2.56 au
Eccentricity0.148
Inclination3.04°
Closest distance between its orbit and Earth's (MOID)0.914 au

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

Also named after someone called Doug

Also discovered on 26 September 1998

More named asteroids discovered by LINEAR