ᱪᱤᱱᱦᱟᱹ: ♄

ᱫᱷᱤᱨᱤ ᱮᱸᱜᱮᱞ ♄
Designations
Pronunciation /ˈsætərn/[᱑]
Named after
Saturn
Orbital characteristics[᱕]
Epoch J2000.0
Aphelion1,514.50 million km (10.1238 AU)
Perihelion1,352.55 million km (9.0412 AU)
1,433.53 million km (9.5826 AU)
Eccentricity0.0565
  • 29.4571 yr
  • 10,759.22 d
  • 24,491.07 Saturnian solar days[᱒]
378.09 days
9.68 km/s (6.01 mi/s)
317.020°[᱓]
Inclination
113.665°
339.392°[᱓]
Known satellites82 with formal designations; innumerable additional moonlets.[᱕]
Physical characteristics[᱕]
Mean radius
58,232 km (36,184 mi)[lower-alpha ᱑]
Equatorial radius
Polar radius
Flattening0.09796
Volume
  • 8.2713×1014 km3 (1.9844×1014 cu mi)[lower-alpha ᱑]
  • 763.59 Earths
Mass
  • 5.6834×1026 kg
  • 95.159 Earths
Mean density
0.687 g/cm3 (0.0248 lb/cu in)[lower-alpha ᱒] (less than water)
0.22[᱗]
35.5 km/s (22.1 mi/s)[lower-alpha ᱑]
ᱪᱷᱟᱸᱪ:RA ᱪᱷᱟᱸᱪ:+-[᱘][᱙]
Equatorial rotation velocity
9.87 km/s (6.13 mi/s; 35,500 km/h)[lower-alpha ᱑]
26.73° (to orbit)
North pole right ascension
40.589°; ᱪᱷᱟᱸᱪ:RA
North pole declination
83.537°
Albedo
Surface temp. min mean max
1 bar 134 K (−139 °C)
0.1 bar 84 K (−189 °C)
−0.55[᱑᱒] to +1.17[᱑᱒]
14.5″ to 20.1″ (excludes rings)
Atmosphere[᱕]
Surface pressure
140 kPa[᱑᱓]
59.5 km (37.0 mi)
Composition by volume
96.3%±2.4%hydrogen (H
2
)
3.25%±2.4%helium (He)
0.45%±0.2%methane (CH
4
)
0.0125%±0.0075%ammonia (NH
3
)
0.0110%±0.0058%hydrogen deuteride (HD)
0.0007%±0.00015%ethane (C
2
H
6
)
Ices:

ᱥᱟᱹᱠᱷᱭᱟᱹᱛ ᱥᱟᱯᱲᱟᱣ

  1. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named walter2003
  2. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named CSeligman
  3. ᱓.᱐ ᱓.᱑ ᱓.᱒ ᱓.᱓ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named VSOP87
  4. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named meanplane
  5. ᱕.᱐ ᱕.᱑ ᱕.᱒ ᱕.᱓ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named fact
  6. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named nasafact
  7. Fortney, J.J.; Helled, R.; Nettlemann, N.; Stevenson, D.J.; Marley, M.S.; Hubbard, W.B.; Iess, L. (6 December 2018). "The Interior of Saturn". In Baines, K.H.; Flasar, F.M.; Krupp, N.; Stallard, T. (eds.). Saturn in the 21st Century. Cambridge University Press. pp. 44–68. ISBN 978-1-108-68393-7.
  8. McCartney, Gretchen; Wendel, JoAnna (18 January 2019). "Scientists Finally Know What Time It Is on Saturn". NASA. Archived from the original on 29 August 2019. Retrieved 18 January 2019.
  9. Mankovich, Christopher; et al. (17 January 2019). "Cassini Ring Seismology as a Probe of Saturn's Interior. I. Rigid Rotation". The Astrophysical Journal. 871 (1): 1. arXiv:1805.10286. Bibcode:2019ApJ...871....1M. doi:10.3847/1538-4357/aaf798.
  10. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Hanel_et_al
  11. ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Mallama_et_al
  12. ᱑᱒.᱐ ᱑᱒.᱑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid <ref> tag; no text was provided for refs named Mallama_and_Hilton
  13. Knecht, Robin (24 October 2005). "On The Atmospheres Of Different Planets" (PDF). Archived from the original (PDF) on 14 October 2017. Retrieved 14 October 2017.

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