(18177) Harunaga Main-belt Asteroid
Discovered on 24 August 2000 by LINEAR at Socorro.
Jill Shizuko Harunaga (b. 1985) was awarded second place in the 2003 Intel International Science and Engineering Fair for her medicine and health project. She attends the Kamehameha High School, Honolulu, Hawaii, U.S.A.Naming citation (20040614/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Harunaga is today
Seen from above the solar system on 2026-10-14: Harunaga is 2.97 au from the Sun and 3.81 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18177 |
| Provisional designation | 2000 QK27 |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.0 km (#5,070 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0530 |
| Absolute magnitude (H) | 14.13 |
| Orbital period | 4.59 years |
| Semi-major axis | 2.76 au |
| Perihelion – aphelion | 2.53 – 2.99 au |
| Eccentricity | 0.0824 |
| Inclination | 7.84° |
| Closest distance between its orbit and Earth's (MOID) | 1.55 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jill
- (13336) Jillpernell
- (13845) Jillburnett
- (21480) Jilltucker
- (23002) Jillhirsch
- (27870) Jillwatson
- (74824) Tarter
All asteroids named after someone called Jill
Also discovered on 24 August 2000
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- (18174) Khachatryan
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- (18184) Dianepark
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- (18930) Athreya
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- (18946) Massar