| Discovered By | S. Synnott, Voyager 2 |
| Date of Discovery | 1989 |
| Average Distance from Neptune | 117,650 km km (metric) |
| Equatorial Radius | 218 x 208 x 201 km (metric) |
| Mass | 800,000,000,000,000,000 kg (metric) |
| Orbit Period (Length of Year) | 1.122315 Earth days |
| Orbital Eccentricity | 0.0004 |
| Orbital Inclination to Ecliptic | 0.55° |
