(121486) Sarahkirby Inner Main-belt Asteroid
Discovered on 7 October 1999 by CSS at Catalina.
Sarah Kirby Smith (b. 1982) is the Earned Value Management Specialist for the OSIRIS-REx Asteroid Sample Return Mission. She also worked at the Naval Air Systems Command on the F35 Joint Strike Fighter and at Lockheed Martin on the Littoral Combat Ship and Non-Line of Sight Launch System projects.Naming citation (MPC batch dated 2016-11-14), IAU / Minor Planet Center, via NASA/JPL
Where Sarahkirby is today
Seen from above the solar system on 2026-10-14: Sarahkirby is 1.93 au from the Sun and 1.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 121486 |
| Provisional designation | 1999 TX245 |
| Orbit class | Inner Main-belt Asteroid |
| Absolute magnitude (H) | 16.66 |
| Orbital period | 2.69 years |
| Semi-major axis | 1.93 au |
| Perihelion – aphelion | 1.81 – 2.05 au |
| Eccentricity | 0.0631 |
| Inclination | 22.0° |
| Closest distance between its orbit and Earth's (MOID) | 0.889 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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