(13963) Euphrates Outer Main-belt Asteroid
Discovered on 3 August 1991 by E. W. Elst at La Silla.
The Euphrates river flows through northern Syria and Iraq. At Al Qurnah the Tigris and Euphrates rivers come close together, forming the Tigris-Euphrates system.Naming citation (20030806/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Euphrates is today
Seen from above the solar system on 2026-10-14: Euphrates is 3.61 au from the Sun and 4.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13963 |
| Provisional designation | 1991 PT4 |
| Orbit class | Outer Main-belt Asteroid |
| Absolute magnitude (H) | 13.97 |
| Orbital period | 6.08 years |
| Semi-major axis | 3.33 au |
| Perihelion – aphelion | 2.48 – 4.18 au |
| Eccentricity | 0.256 |
| Inclination | 0.937° |
| Closest distance between its orbit and Earth's (MOID) | 1.47 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 3 August 1991
- (5522) De Rop
- (9859) Van Lierde
- (10334) Gibbon
- (13526) Libbrecht
- (13962) Delambre
- (13964) La Billardiere
- (15745) Yuliya