(100731) Ara Pacis Main-belt Asteroid
Discovered on 18 February 1998 by V. S. Casulli at Colleverde.
Ara Pacis Augustae, located in Rome, is an altar dedicated to Pax, the Roman goddess of peace. The monument was commissioned by the Roman Senate in 13 BCE to honor the return of Augustus to Rome after a three-year expedition in Hispania and Gaul.Naming citation (MPC batch dated 2017-11-04), IAU / Minor Planet Center, via NASA/JPL
Where Ara Pacis is today
Seen from above the solar system on 2026-10-14: Ara Pacis is 3.17 au from the Sun and 4.14 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 100731 |
| Provisional designation | 1998 DO |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.92 km (#12,936 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.182 |
| Absolute magnitude (H) | 14.75 |
| Orbital period | 4.62 years |
| Semi-major axis | 2.77 au |
| Perihelion – aphelion | 2.33 – 3.22 au |
| Eccentricity | 0.160 |
| Inclination | 12.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.38 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ara
All asteroids named after someone called Ara
Also discovered on 18 February 1998
- (9119) Georgpeuerbach
- (10932) Rebentrost
- (12057) Alfredsturm
- (16906) Giovannisilva
- (29555) MACEK
- (48844) Belloves
- (100733) Annafalcka
- (100734) Annasvidnicka
- (155438) Velasquez
- (175730) Gramastetten