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Ang Daphnis ( /ˈdæfns/ DAF-nis; Griyego: Δάφνις) ay isang buwan sa Saturno.

Daphnis
PIA21056cropsharpen.jpg
Daphnis in cropped Cassini probe image (2017).
Pagkatuklas
Natuklasan niCassini Imaging Science Team
Natuklasan noongMayo 6, 2005
Designasyon
Pang-uriDaphnidian
Orbital characteristics[1]
Mean orbit radius136505.5±0.1 km
Eccentricity0.0000331±0.0000062
Orbital period0.5940798 d (14.257915 h)
Inclination0.0036°±0.0013°
Satellite ofSaturn
Pisikal na katangian
Dimensiyon8.6 × 8.2 × 6.4 km[2]
Mean radius3.8±0.8 km[2]
Mass(7.7±1.5)×1013 kg[2]
Mean density0.34±0.26 g/cm³[2]
Surface gravity0.0001–0.0004 m/s2[2]
Rotation periodsynchronous
Axial tiltunknown
Albedo≈ 0.5
Temperature≈ 78 K

SanggunianBaguhin

  1. 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.
  2. 2.0 2.1 2.2 2.3 2.4 Thomas, P. C. (July 2010). "Sizes, shapes, and derived properties of the saturnian satellites after the Cassini nominal mission" (PDF). Icarus. 208 (1): 395–401. Bibcode:2010Icar..208..395T. doi:10.1016/j.icarus.2010.01.025.


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