(298762) Sarahgallagher Main-belt Asteroid
Discovered on 26 April 2004 by P. A. Wiegert at Mauna Kea.
Sarah Connoran Gallagher (b. 1973) is an American-Canadian astronomer who studies quasars and compact galaxy groups. A Professor in the Dept of Physics and Astronomy at the University of Western Ontario in London Canada, she has been Director of its Institute for Earth and Space Exploration, and Science Advisor to the President of the Canadian Space Agency.Naming citation (WGSBN Bull. 3, #4, 9), IAU / Minor Planet Center, via NASA/JPL
Where Sarahgallagher is today
Seen from above the solar system on 2026-10-14: Sarahgallagher is 1.97 au from the Sun and 2.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 298762 |
| Provisional designation | 2004 HT77 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 18.63 |
| Orbital period | 3.13 years |
| Semi-major axis | 2.14 au |
| Perihelion – aphelion | 1.96 – 2.33 au |
| Eccentricity | 0.0860 |
| Inclination | 2.23° |
| Closest distance between its orbit and Earth's (MOID) | 0.942 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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