&sq=&lang=&file=File:PIA21056cropsharpen.jpg) Cassini probe image of Daphnis surrounded by Saturn's rings (2017) | |
| Discovery | |
|---|---|
| Discovered by | Cassini Imaging Science Team |
| Discovery date | May 1, 2005[1] |
| Designations | |
Designation | Saturn XXXV |
| Pronunciation | /ˈdæfnəs/[2] |
Named after | Δάφνις Daphnis |
| S/2005 S 1 | |
| Adjectives | Daphnidian /dæfˈnɪdiən/[3] |
| Orbital characteristics[4] | |
| 136505.5±0.1 km | |
| Eccentricity | 0.0000331±0.0000062 |
| 0.5940798 d (14.257915 h) | |
| Inclination | 0.0036°±0.0013° |
| Satellite of | Saturn |
| Group | Shepherd moon of the Keeler Gap |
| Physical characteristics | |
| Dimensions | 9.8 × 8.4 × 5.6 km (± 0.6 × 1.6 × 1.2 km)[5]: 2 |
| 7.8±1.0 km[5]: 2 | |
| Volume | 248 km3[a] |
| Mass | (6.8±1.7)×1013 kg[5]: 3 |
Mean density | 0.276±0.144 g/cm3[5]: 3 |
| 0.0002 m/s2 at longest axis to 0.0006 m/s2 at poles | |
| 0.001 km/s at longest axis to 0.002 km/s at poles | |
| synchronous | |
| unknown | |
| Albedo | ≈ 0.5 |
| Temperature | ≈ 78 K |
Daphnis is an inner satellite of Saturn. It is also known as Saturn XXXV; its provisional designation was S/2005 S 1.[6][7] Daphnis is about 8 kilometers in diameter, and orbits the planet in the Keeler Gap within the A ring.
- ^ Daphnis / IN DEPTH / BY THE NUMBERS
- ^ "Daphnis". Lexico UK English Dictionary. Oxford University Press. Archived from the original on March 22, 2020.
- ^ James Hall III (2015) Moons of the Solar System, p. 106
- ^ Jacobson, R. A.; Spitale, J.; et al. (2008). "Revised orbits of Saturn's small inner satellites". Astronomical Journal. 135 (1): 261–263. Bibcode:2008AJ....135..261J. CiteSeerX 10.1.1.653.3917. doi:10.1088/0004-6256/135/1/261. S2CID 122998668.
- ^ a b c d e Cite error: The named reference
Thomas2020was invoked but never defined (see the help page). - ^ C.C. Porco, et al., IAUC 8524: S/2005 S 1 May 6, 2005 (discovery)
- ^ Martinez, C.; and Dyches, P.; Cassini-Huygens: Cassini Finds New Saturn Moon That Makes Waves Archived 2017-05-13 at the Wayback Machine May 10, 2005
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