Ymir (buwan)
Ang Ymir ay isang buwan sa Saturno.
| Pagkatuklas[1] | |
|---|---|
| Natuklasan ni | Brett J. Gladman |
| Natuklasan sa | Observatoire de la Cote d'Azur |
| Natuklasan noong | 2000 |
| Designasyon | |
| Ibang designasyon | S/2000 S1, Saturn XIX |
| Pang-uri | Ymirian |
| Orbital characteristics[2] | |
| Semi-major axis | 23,040,000 km |
| Eccentricity | 0.3349 |
| Orbital period | 3.6 yr (1315.14 d) |
| Mean anomaly | 244.521° |
| Inclination | 173.125° |
| Longitude of ascending node | 194.086° |
| Argument of perihelion | 22.668° |
| Satellite of | Saturn |
| Pisikal na katangian | |
| Dimensiyon | 18 km[3] |
| Mass | 5.1×1015 kg[4] |
| Escape velocity | 8.7 m/s (31 km/h)[4] |
| Rotation period | 11 h 55 m 20 s[5] |
| Albedo | 0.06[6] |
| Apparent magnitude | 21.7[3] |
Sanggunian
baguhin- ↑ Brian G. Marsden (2000-10-25). "IAUC 7512". IAU. Nakuha noong 2011-01-08.
{{cite web}}: CS1 maint: date auto-translated (link) - ↑ Jacobson, R.A. (2007) SAT270, SAT271 (2007-06-28). "Planetary Satellite Mean Orbital Parameters". JPL/NASA. Nakuha noong 2008-02-14.
{{cite web}}: CS1 maint: date auto-translated (link) CS1 maint: multiple names: mga may-akda (link) - ↑ 3.0 3.1 Scott S. Sheppard. "Saturn's Known Satellites". Department of Terrestrial Magnetism. Nakuha noong 2008-02-14.
{{cite web}}: CS1 maint: date auto-translated (link) - ↑ 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)
- ↑ Denk, T., Mottola, S. (2013): Irregular Saturnian Moon Lightcurves from Cassini-ISS Observations: Update. Abstract 406.08, DPS conference 2013, Denver (Colorado)
- ↑ Nicholson, P. D. 2001
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