(28049) Yvonnealex Main-belt Asteroid
Discovered on 21 April 1998 by LINEAR at Socorro.
Yvonne Alexander mentored a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students. She teaches at the Hopkins Junior High School, Fremont, California.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yvonnealex is today
Seen from above the solar system on 2026-10-14: Yvonnealex is 3.08 au from the Sun and 3.20 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28049 |
| Provisional designation | 1998 HM94 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.44 km (#14,139 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.313 |
| Absolute magnitude (H) | 14.36 |
| Orbital period | 4.54 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.32 – 3.16 au |
| Eccentricity | 0.153 |
| Inclination | 8.25° |
| Closest distance between its orbit and Earth's (MOID) | 1.34 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Yvonne
All asteroids named after someone called Yvonne
Also discovered on 21 April 1998
- (9244) Visnjan
- (11715) Harperclark
- (11716) Amahartman
- (11718) Hayward
- (11719) Hicklen
- (11720) Horodyskyj
- (11721) Shawnlowe
- (11724) Ronaldhsu
- (11725) Victoriahsu
- (12091) Jesmalmquist
- (12092) Erinorourke
- (12093) Chrimatthews