Iapetus (buwan)
Hitsura
Pagkatuklas | |
---|---|
Natuklasan ni | G. D. Cassini |
Natuklasan noong | October 25, 1671 |
Designasyon | |
Ibang designasyon | Saturn VIII |
Pang-uri | Iapetian, Japetian |
Orbital characteristics | |
Semi-major axis | 3560820 km |
Eccentricity | 0.0286125 [1] |
Orbital period | 79.3215 d |
Average orbital speed | 3.26 km/s |
Inclination |
|
Satellite of | Saturn |
Pisikal na katangian | |
Dimensiyon | 1,492.0 × 1,492.0 × 1,424 km [3] |
Mean radius | 734.5±2.8 km [3] |
Pang-ibabaw na sukat | 6700000 km2 |
Mass | (1.805635±0.000375)×1021 kg [4] |
Mean density | 1.088±0.013 g/cm³ [3] |
Surface gravity | 0.224 m/s2 |
Escape velocity | 0.573 km/s |
Rotation period | 79.3215 d (synchronous) |
Axial tilt | zero |
Albedo | 0.05–0.5[5] |
Temperature | 90–130 K |
Apparent magnitude | 10.2–11.9[6] |
Ang Iapetus ay isang buwan sa Saturn.
pinagmulan
[baguhin | baguhin ang wikitext]- ↑ "Pseudo-MPEC for Saturn VIII". Inarkibo mula sa ang orihinal noong 2012-02-22. Nakuha noong 2015-02-12.
{{cite web}}
: CS1 maint: date auto-translated (link) - ↑ Jacobson, R.A. (2009) SAT317 (2009-12-17). "Planetary Satellite Mean Orbital Parameters". JPL/NASA. Nakuha noong 2011-01-15.
{{cite web}}
: CS1 maint: date auto-translated (link) - ↑ 3.0 3.1 3.2 Roatsch, Th.; Jaumann, R.; Stephan, K.; Thomas, P. C. (2009). "Cartographic Mapping of the Icy Satellites Using ISS and VIMS Data": 763–781. doi:10.1007/978-1-4020-9217-6_24.
{{cite journal}}
: Cite journal requires|journal=
(tulong)CS1 maint: date auto-translated (link) - ↑ Jacobson, R. A.; Antreasian, P. G.; Bordi, J. J.; Criddle, K. E.; Ionasescu, R.; Jones, J. B.; Mackenzie, R. A.; Meek, M. C.; Parcher, D.; Pelletier, F. J.; Owen, Jr., W. M.; Roth, D. C.; Roundhill, I. M.; Stauch, J. R. (2006). "The Gravity Field of the Saturnian System from Satellite Observations and Spacecraft Tracking Data". The Astronomical Journal. 132 (6): 2520–2526. doi:10.1086/508812. ISSN 0004-6256.
{{cite journal}}
: CS1 maint: date auto-translated (link) - ↑ Williams, David R. "Saturnian Satellite Fact Sheet". NASA. Nakuha noong 2007-11-04.
{{cite web}}
: CS1 maint: date auto-translated (link) - ↑ Observatorio ARVAL (2007-04-15). "Classic Satellites of the Solar System". Observatorio ARVAL. Inarkibo mula sa ang orihinal noong 2018-12-25. Nakuha noong 2011-12-17.
{{cite web}}
: CS1 maint: date auto-translated (link)
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