(257438) Marcyharbut Main-belt Asteroid
Discovered on 28 July 2010 by WISE at WISE.
Marcy Harbut (b. 1970) is an American scientific communicator working at IPAC at Caltech. Her work includes the production of end-user manuals for data archives as well as IPAC social-media communications. Marcy has produced Explanatory Supplement documents for multiple astronomy missions including Kepler, Spitzer, WISE, and NEOWISE.Naming citation (WGSBN Bull. 6, #15, 13), IAU / Minor Planet Center, via NASA/JPL
Where Marcyharbut is today
Seen from above the solar system on 2026-10-14: Marcyharbut is 2.31 au from the Sun and 1.89 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 257438 |
| Provisional designation | 2010 OH98 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.97 km (#12,818 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0540 |
| Absolute magnitude (H) | 16.17 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.19 – 2.97 au |
| Eccentricity | 0.152 |
| Inclination | 14.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.19 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Marcy
All asteroids named after someone called Marcy