(28788) Hayes-Gehrke Main-belt Asteroid
Discovered on 24 April 2000 by LONEOS at Anderson Mesa.
Melissa Hayes-Gehrke (b. 1973) is an astronomy instructor at the University of Maryland who introduces the techniques of asteroid light curve photometry as a method of teaching observational astronomy, with students often producing publishable results.Naming citation (WGSBN Bull. 1, #2, 12), IAU / Minor Planet Center, via NASA/JPL
Where Hayes-Gehrke is today
Seen from above the solar system on 2026-10-14: Hayes-Gehrke is 2.29 au from the Sun and 2.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28788 |
| Provisional designation | 2000 HW57 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.77 km (#13,272 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.374 |
| Rotation period | 3.39 hours |
| Absolute magnitude (H) | 14.25 |
| Orbital period | 3.69 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 1.86 – 2.92 au |
| Eccentricity | 0.222 |
| Inclination | 3.26° |
| Closest distance between its orbit and Earth's (MOID) | 0.859 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Melissa
- (5626) Melissabrucker
- (8626) Melissarauch
- (13308) Melissamayne
- (14584) Lawson
- (15624) Lamberton
- (17928) Neuwirth
- (20534) Bozeman
- (21744) Meliselinger
- (21919) Luga
- (23176) Missacarvell
- (26334) Melimcdowell
- (28976) Sevigny
All asteroids named after someone called Melissa
Also discovered on 24 April 2000
- (15630) Disanti
- (15631) Dellorusso
- (23173) Hideaki
- (26636) Ericabroman
- (27520) Rounds
- (27521) Josschindler
- (28769) Elisabethadams
- (30254) Kaminski
- (30255) Bohner
- (30278) Gazeas
- (30279) Binnie
- (30280) Raderlane