(18957) Mijacobsen Main-belt Asteroid
Discovered on 24 August 2000 by LINEAR at Socorro.
Michael Thomas Jacobsen (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his botany project. He attends the Laurel-Concord High School, Laurel, Nebraska, U.S.A.Naming citation (20040830/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Mijacobsen is today
Seen from above the solar system on 2026-10-14: Mijacobsen is 1.88 au from the Sun and 1.54 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18957 |
| Provisional designation | 2000 QE128 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.55 km (#16,169 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.327 |
| Rotation period | 3.79 hours |
| Absolute magnitude (H) | 15.08 |
| Orbital period | 3.31 years |
| Semi-major axis | 2.22 au |
| Perihelion – aphelion | 1.88 – 2.57 au |
| Eccentricity | 0.155 |
| Inclination | 5.78° |
| Closest distance between its orbit and Earth's (MOID) | 0.872 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Michael
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