Narvi (moon)
Discovery | |
---|---|
Discovered by | Scott S. Sheppard et al. |
Discovery date | 11 April 2003 |
Designations | |
Pronunciation | /ˈnɑːrvi/ |
S/2003 S 1 | |
Orbital characteristics [1] | |
19226600 km | |
Eccentricity | 0.2990 |
−995.33 days | |
Inclination | 136.803° |
Satellite of | Saturn |
Group | Norse group |
Physical characteristics | |
Mean diameter | 7+50% −30% km[2] |
10.21±0.02 h[2] | |
23.8 | |
Narvi /ˈnɑːrvi/ or Saturn XXXI is a natural satellite of Saturn. It was discovered by a team of astronomers led by Scott S. Sheppard in 2003, and given the temporary designation S/2003 S 1.
Description[]
Narvi is about 7 kilometres in diameter, and orbits Saturn at an average distance of 19,371,000 km in 1006.541 days, at an inclination of 136.8° to the ecliptic (109° to Saturn's equator), in a retrograde direction and with an eccentricity of 0.2990. Narvi's rotation period is 10.21±0.02 hours.[2]
Naming[]
It was named in January 2005 after Narfi, a giant in Norse mythology. The name was approved by the IAU Working Group on Planetary System Nomenclature on 21 January 2005.
References[]
- ^ S.S. Sheppard (2019), Moons of Saturn, Carnegie Science, on line
- ^ a b c Denk, T.; Mottola, S. (2019). Cassini Observations of Saturn's Irregular Moons (PDF). 50th Lunar and Planetary Science Conference. Lunar and Planetary Institute.
External links[]
- IAU Working Group for Planetary System Nomenclature
- IAUC 8116: Satellites of Jupiter and Saturn April 11, 2003 (discovery)
- MPEC 2003-G39: S/2003 S 1 April 8, 2003 (discovery and ephemeris)
- IAUC 8471: Satellites of Saturn January 21, 2005 (naming the moon)
Categories:
- Norse group
- Moons of Saturn
- Irregular satellites
- Discoveries by Scott S. Sheppard
- Astronomical objects discovered in 2003