(13918) Tsukinada Main-belt Asteroid
Discovered on 24 August 1984 by T. Seki at Geisei.
The sea off the town of Otsuki, Kochi prefecture, is well known for coral products. Underwater corals make the sea of Tsukinada appear pinkish. Its beauty attracts tourists and is also sung of in a folksong.Naming citation (20091004/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tsukinada is today
Seen from above the solar system on 2026-10-14: Tsukinada is 2.05 au from the Sun and 2.01 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13918 |
| Provisional designation | 1984 QB |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.01 km (#7,632 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.299 |
| Rotation period | 7.50 hours |
| Absolute magnitude (H) | 13.08 |
| Orbital period | 4.24 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.05 – 3.19 au |
| Eccentricity | 0.217 |
| Inclination | 10.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.