(28092) Joannekear Main-belt Asteroid
Discovered on 14 September 1998 by LINEAR at Socorro.
Joanne Kear mentored a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students. She teaches at the Muhlenberg Middle School, Laureldale, Pennsylvania.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Joannekear is today
Seen from above the solar system on 2026-10-14: Joannekear is 2.22 au from the Sun and 2.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28092 |
| Provisional designation | 1998 RT53 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.96 km (#17,065 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.502 |
| Absolute magnitude (H) | 15.34 |
| Orbital period | 3.38 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 2.15 – 2.36 au |
| Eccentricity | 0.0464 |
| Inclination | 4.80° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Joanne
- (9002) Gabrynowicz
- (17914) Joannelee
- (17988) Joannehsieh
- (22630) Wallmuth
- (22632) DiNovis
- (25488) Figueiredo
- (27549) Joannemichet
- (87088) Joannewheeler
- (731124) Rosvick
All asteroids named after someone called Joanne
Also discovered on 14 September 1998
- (9810) Elanfiller
- (11190) Jennibell
- (12898) Mignard
- (12900) Rishabjain
- (12903) Isabellekatz
- (12906) Alexismacavoy
- (12907) Giannanilvo
- (13301) Hofsteen
- (13302) Kezmoh
- (13303) Asmitakumar
- (13305) Danielang
- (13307) Taralarsen