(28077) Hard Main-belt Asteroid

Discovered on 27 August 1998 by LONEOS at Anderson Mesa.

Michael W. Hard (b. 1937) is a long-time friend of Lowell Observatory who has championed the Observatory in many ways. He had a 39-year senior executive career in banking in Arizona and served as a trustee on two foundation boards of directors. Michael was also very active in the community after retirement.Naming citation (MPC batch dated 2024-11-15), IAU / Minor Planet Center, via NASA/JPL

Where Hard is today

MercuryVenusEarthEarthMarsMarsHardHard

Seen from above the solar system on 2026-10-14: Hard is 2.27 au from the Sun and 3.11 au from Earth. Computed from JPL's orbital elements.

Facts

Number28077
Provisional designation1998 QH55
Orbit classMain-belt Asteroid
Diameter2.15 km (#16,848 largest of 17,440 named asteroids with a measured size)
Albedo0.419
Absolute magnitude (H)15.12
Orbital period3.34 years
Semi-major axis2.24 au
Perihelion – aphelion2.11 – 2.36 au
Eccentricity0.0578
Inclination5.71°
Closest distance between its orbit and Earth's (MOID)1.12 au

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

Also named after someone called Michael

Also discovered on 27 August 1998

More named asteroids discovered by LONEOS