(197449) Sarahwinfrey Main-belt Asteroid
Discovered on 22 December 2003 by V. Reddy at Goodricke-Pigott.
Sarah Winfrey (b. 1973) is an American science advocate who advanced cislunar space situational awareness to keep spacecraft and humans at the Moon safe. A retired military officer, she united government, academic, and industry partners to solve complex space safety challenges and ensure space sustainability for future generations.Naming citation (WGSBN Bull. 6, #9, 18), IAU / Minor Planet Center, via NASA/JPL
Where Sarahwinfrey is today
Seen from above the solar system on 2026-10-14: Sarahwinfrey is 2.86 au from the Sun and 2.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 197449 |
| Provisional designation | 2003 YK111 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.70 km (#8,001 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0470 |
| Absolute magnitude (H) | 15.13 |
| Orbital period | 5.58 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.58 – 3.71 au |
| Eccentricity | 0.180 |
| Inclination | 16.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.59 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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