(20388) Ihorkyrylenko Main-belt Asteroid
Discovered on 23 May 1998 by LINEAR at Socorro.
Ihor Kyrylenko (b. 1994) is a Ukrainian astronomer at the Institute of Astronomy, V. N. Karazin Kharkiv National University. His research has advanced the understanding of dynamical relationships among Solar System small bodies and improved methods for analyzing their long-term evolution.Naming citation (WGSBN Bull. 6, #11, 17), IAU / Minor Planet Center, via NASA/JPL
Where Ihorkyrylenko is today
Seen from above the solar system on 2026-10-14: Ihorkyrylenko is 3.16 au from the Sun and 2.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20388 |
| Provisional designation | 1998 KZ54 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.76 km (#6,813 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.169 |
| Absolute magnitude (H) | 13.38 |
| Orbital period | 5.28 years |
| Semi-major axis | 3.03 au |
| Perihelion – aphelion | 2.66 – 3.41 au |
| Eccentricity | 0.123 |
| Inclination | 10.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.67 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 23 May 1998
- (12864) Ryandrake
- (18730) Wingip
- (18731) Vil'bakirov
- (19494) Gerbs
- (19495) Terentyeva
- (19500) Hillaryfultz
- (20366) Bonev
- (20367) Erikagibb
- (20382) Hiroshinaraoka
- (20383) Hirotakasawada
- (20384) Hongsuhyim
- (20385) Horiuchi