(11514) Tsunenaga Main-belt Asteroid
Discovered on 13 February 1991 by M. Koishikawa at Ayashi.
In 1613 Hasekura Tsunenaga (1571-1622) led the first Japanese mission across the Pacific to the Americas (in Mexico), and he continued across the Atlantic to Europe, where he met with king Philip III of Spain and pope Paul V. His portrait was designated a national treasure for the first time in Sendai in June 2001.Naming citation (20010902/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tsunenaga is today
Seen from above the solar system on 2026-10-14: Tsunenaga is 3.03 au from the Sun and 2.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11514 |
| Provisional designation | 1991 CO1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 12.44 |
| Orbital period | 5.24 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.91 – 3.12 au |
| Eccentricity | 0.0339 |
| Inclination | 9.84° |
| Closest distance between its orbit and Earth's (MOID) | 1.92 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.