Narvi (moon)

Lore & Background

Narvi was discovered in 2003 by a team of astronomers led by Scott S. Sheppard, and given the temporary designation S/2003 S 1. It is about 7 kilometres in diameter and orbits Saturn at an average distance of 19,371,000 km in 1006.541 days, with an inclination of 136.8° to the ecliptic (109° to Saturn's equator), in a retrograde direction and with an eccentricity of 0.2990, very similar to Bestla's orbit. Its orbit can temporarily fall into secular resonance with Saturn.

Narvi's rotation period is 10.21±0.02 hours, and its light curve has three minima like Siarnaq and Ymir. Unlike the other triangular moons, however, one minimum is much higher than the others, and the maximum that is a half-period ahead is much lower. It was named in January 2005 after Narfi, a giant in Norse mythology, with the name approved by the IAU Working Group on Planetary System Nomenclature on 21 January 2005.

Reader's Guide

Narvi's significance lies in its distinctive orbital and rotational characteristics as described in the source article. Its retrograde orbit, high inclination, and eccentricity similar to Bestla's orbit place it among the irregular moons of Saturn. The article notes that its orbit can temporarily fall into secular resonance with Saturn, a dynamic feature. Its light curve is particularly notable: while it shares three minima with Siarnaq and Ymir, it differs in that one minimum is much higher and the maximum a half-period ahead is much lower, indicating an unusual shape or surface properties. The naming after Narfi, a giant in Norse mythology, follows the convention for Saturn's moons. The discovery by Scott S. Sheppard's team in 2003 and the IAU approval in 2005 are key historical milestones. The article provides no further context on its legacy beyond these facts.

Did You Know?

• It orbits Saturn in a retrograde direction with an eccentricity of 0.2990.
• It was named after Narfi, a giant in Norse mythology, in January 2005.