(37786) Tokikonaruko Main-belt Asteroid
Discovered on 30 September 1997 by Y. Ikari at Moriyama.
Tokiko Naruko (1923-1995), a selfless volunteer, devoted herself to the social welfare activities in the City of Otsu. She later served as president of the Otsu City Volunteer Association. She was the daughter of Issei Yamamoto, who founded the Oriental Astronomical Association.Naming citation (20071124/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tokikonaruko is today
Seen from above the solar system on 2026-10-14: Tokikonaruko is 1.92 au from the Sun and 1.11 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 37786 |
| Provisional designation | 1997 SS17 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.39 km (#17,377 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.399 |
| Absolute magnitude (H) | 16.18 |
| Orbital period | 3.24 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 1.88 – 2.50 au |
| Eccentricity | 0.140 |
| Inclination | 4.56° |
| Closest distance between its orbit and Earth's (MOID) | 0.892 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 30 September 1997
- (9990) Niiyaeki
- (10894) Nakai
- (13691) Akie
- (15387) Hanazukayama
- (15906) Yoshikaneda
- (29458) Pearson
- (39795) Marson
- (46727) Hidekimatsuyama