(11322) Aquamarine Main-belt Asteroid
Discovered on 23 August 1995 by H. Abe at Yatsuka.
Aquamarine is the name of a Japanese duo group, Sachiko (b. 1975) and Mimas (b. 1971). They sing of stars and the universe. Their COSMOS is the main theme song of the “Star Week” event, produced by the National Astronomical Observatory of Japan.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Aquamarine is today
Seen from above the solar system on 2026-10-14: Aquamarine is 2.46 au from the Sun and 2.75 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11322 |
| Provisional designation | 1995 QT |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.60 km (#13,718 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.343 |
| Rotation period | 901 hours |
| Absolute magnitude (H) | 14.5 |
| Orbital period | 4.49 years |
| Semi-major axis | 2.72 au |
| Perihelion – aphelion | 2.21 – 3.24 au |
| Eccentricity | 0.190 |
| Inclination | 10.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.