(16503) Ayato Main-belt Asteroid
Discovered on 15 October 1990 by T. Seki at Geisei.
Ayato Seki (b. 2005) is the first grandchild of the discoverer. He is interested in observing the constellations as a hobby and dreams of making an astronomical discovery some day.Naming citation (MPC batch dated 2015-11-25), IAU / Minor Planet Center, via NASA/JPL
Where Ayato is today
Seen from above the solar system on 2026-10-14: Ayato is 1.90 au from the Sun and 2.68 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16503 |
| Provisional designation | 1990 TY |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.82 km (#13,178 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.293 |
| Absolute magnitude (H) | 14.2 |
| Orbital period | 3.52 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 1.75 – 2.88 au |
| Eccentricity | 0.245 |
| Inclination | 22.2° |
| Closest distance between its orbit and Earth's (MOID) | 0.911 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 15 October 1990
- (5187) Domon
- (5188) Paine
- (6905) Miyazaki
- (6964) Kunihiko
- (8274) Soejima
- (8660) Sano
- (9333) Hiraimasa
- (10318) Sumaura
- (10760) Ozeki
- (12706) Tanezaki
- (14395) Tommorgan
- (19160) Chikayoshitomi
More named asteroids discovered by T. Seki
- (2396) Kochi
- (2571) Geisei
- (2582) Harimaya-Bashi
- (2621) Goto
- (2835) Ryoma
- (2880) Nihondaira
- (2961) Katsurahama
- (3150) Tosa
- (3182) Shimanto
- (3262) Miune
- (3431) Nakano
- (3785) Kitami
← (16498) Passau · (16505) Sulzer →