(265380) Terzan Main-belt Asteroid
Discovered on 15 September 2004 by J. Pittichová at Mauna Kea.
Agop Terzan (1927–2020) was a Turkish-Armenian astronomer who discovered, investigated, and cataloged thousands of variable stars and dozens of clusters and nebulae in the direction of the Galactic Bulge.Naming citation (WGSBN Bull. 2, #9, 10), IAU / Minor Planet Center, via NASA/JPL
Where Terzan is today
Seen from above the solar system on 2026-10-14: Terzan is 2.85 au from the Sun and 2.96 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 265380 |
| Provisional designation | 2004 RD253 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.01 |
| Orbital period | 4.48 years |
| Semi-major axis | 2.72 au |
| Perihelion – aphelion | 2.43 – 3.01 au |
| Eccentricity | 0.105 |
| Inclination | 2.27° |
| Closest distance between its orbit and Earth's (MOID) | 1.44 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.