(28128) Cynthrossman Main-belt Asteroid

Discovered on 26 September 1998 by LINEAR at Socorro.

Cynthia Rossman mentored a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students. She teaches at the Incarnate Word Academy, Parma Heights, Ohio.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Cynthrossman is today

MercuryVenusEarthEarthMarsMarsCynthrossmanCynthrossman

Seen from above the solar system on 2026-10-14: Cynthrossman is 2.22 au from the Sun and 1.79 au from Earth. Computed from JPL's orbital elements.

Facts

Number28128
Provisional designation1998 ST118
Orbit classMain-belt Asteroid
Diameter2.05 km (#16,990 largest of 17,440 named asteroids with a measured size)
Albedo0.291
Absolute magnitude (H)15.55
Orbital period3.43 years
Semi-major axis2.28 au
Perihelion – aphelion2.07 – 2.48 au
Eccentricity0.0908
Inclination2.78°
Closest distance between its orbit and Earth's (MOID)1.08 au

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

Also named after someone called Cynthia

Also discovered on 26 September 1998

More named asteroids discovered by LINEAR