Ymir (buwan)

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Ymir
Pagkatuklas[1]
Natuklasan niBrett J. Gladman
Natuklasan saObservatoire de la Cote d'Azur
Natuklasan noong2000
Designasyon
Ibang designasyonS/2000 S1, Saturn XIX
Pang-uriYmirian
Orbital characteristics[2]
Semi-major axis23,040,000 km
Eccentricity0.3349
Orbital period3.6 yr (1315.14 d)
Mean anomaly244.521°
Inclination173.125°
Longitude of ascending node194.086°
Argument of perihelion22.668°
Satellite ofSaturn
Pisikal na katangian
Dimensiyon18 km[3]
Mass5.1×1015 kg[4]
Escape velocity8.7 m/s (31 km/h)[4]
Rotation period11 h 55 m 20 s[5]
Albedo0.06[6]
Apparent magnitude21.7[3]

Ang Ymir ay isang buwan sa Saturno.

Sanggunian[baguhin | baguhin ang batayan]

  1. Brian G. Marsden (2000-10-25). "IAUC 7512". IAU. Hinango noong 2011-01-08.
  2. Jacobson, R.A. (2007) SAT270, SAT271 (2007-06-28). "Planetary Satellite Mean Orbital Parameters". JPL/NASA. Hinango noong 2008-02-14.CS1 maint: Multiple names: authors list (link)
  3. 3.0 3.1 Scott S. Sheppard. "Saturn's Known Satellites". Department of Terrestrial Magnetism. Hinango noong 2008-02-14.
  4. 4.0 4.1 assume radius of 9 km; volume of a sphere * assume density of 1.7g/cm³ (though it could be a loose rubble pile) yields a mass of 5.1e15 kg and an escape velocity of 8.7 m/s (31 km/h)
  5. Denk, T., Mottola, S. (2013): Irregular Saturnian Moon Lightcurves from Cassini-ISS Observations: Update. Abstract 406.08, DPS conference 2013, Denver (Colorado)
  6. Nicholson, P. D. 2001


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