(13599) Lisbon Main-belt Asteroid
Discovered on 12 August 1994 by E. W. Elst at La Silla.
One of the oldest cities in the world, Lisbon was inhabited by pre-Celtic tribes during the Neolithic period. In 711 the city was taken by Berbers and Arabs from North Africa and the Middle East. Muslim influences are still visible in the Alfama district that survived the 1755 Lisbon earthquake.Naming citation (MPC batch dated 2016-02-22), IAU / Minor Planet Center, via NASA/JPL
Where Lisbon is today
Seen from above the solar system on 2026-10-14: Lisbon is 2.80 au from the Sun and 3.50 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13599 |
| Provisional designation | 1994 PM21 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.42 km (#14,187 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.240 |
| Absolute magnitude (H) | 14.75 |
| Orbital period | 4.12 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 1.93 – 3.21 au |
| Eccentricity | 0.248 |
| Inclination | 7.43° |
| Closest distance between its orbit and Earth's (MOID) | 0.940 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 12 August 1994
- (7142) Spinoza
- (8550) Hesiodos
- (9640) Lippens
- (9641) Demaziere
- (9778) Isabelallende
- (9879) Mammuthus
- (9880) Stegosaurus
- (10151) Rubens
- (10361) Bunsen
- (10841) Ericforbes
- (11095) Havana
- (11583) Breuer