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2014 SR349 - 版本历史
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<p><b>新页面</b></p><div>{{DISPLAYTITLE:{{mp|2014 SR|349}}}}<br />
{{Infobox planet<br />
| minorplanet = yes<br />
| background = #FFFFC0 <!--default color, yellow--><br />
| name = 2014 SR<sub>349</sub><br />
| symbol = <br />
| image = <br />
| image_alt = <br />
| caption = <br />
| discovery_ref = <br />
| discoverer = [[斯科特·谢泼德]]與[[乍德·特魯希略]]<br />
| discovered = 2014年<br />
| discovery_site = <br />
| mp_name = 2014 SR<sub>349</sub><br />
| mp_category = <!--(Minor planet category)--><br />
| alt_names = <!--(Alternative names)--><br />
| orbit_ref = <br />
| epoch = 2016年7月31日 ([[儒略日|JD]] 2457600.5)<br />
| uncertainty = <br />
| observation_arc = 446日<br />
| aphelion = 47.50139275 AU<br />
| perihelion = 539.09051936 AU<br />
| semimajor = 293.29595606 AU<br />
| eccentricity = 0.83804280<br />
| period = 5,023.0500 年<br />
| avg_speed = <!--(Average orbital speed)--><br />
| inclination = 17.98298054°<br />
| asc_node = 34.7664431819°<br />
| mean_anomaly = 357.342089885°<br />
| mean_motion = 0.00019622°/day<br />
| arg_peri = 341.523793168°<br />
| p_orbit_ref = <ref name="#1">...</ref><br />
| p_semimajor = <br />
| p_eccentricity = <br />
| p_inclination = <br />
| p_mean_motion = <!--(Proper orbital mean motion)--><br />
| perihelion_rate = <!--(Proper perihelic precession rate)--><br />
| node_rate = <!--(Proper nodal precession rate)--><br />
| satellites = <br />
| moid = 46.507 AU<br />
| jupiter_moid = 42.5599 AU<br />
| physical_ref = <ref name="#1"/><br />
| dimensions = <!--(Uni/bi/tri-axial dimensions)--><br />
| mass = <br />
| density = <br />
| surface_grav = <!--(Equatorial surface gravity)--><br />
| moment_of_inertia_factor = <!--(Moment of inertia factor)--><br />
| escape_velocity = <br />
| sidereal_day = <br />
| axial_tilt = <br />
| pole_ecliptic_lat = <!--(Pole ecliptic latitude)--><br />
| pole_ecliptic_lon = <!--(Pole ecliptic longitude)--><br />
| albedo = <br />
| spectral_type = <br />
| abs_magnitude = <!--(Absolute magnitude)--><br />
| single_temperature = <br />
}}<br />
<br />
'''2014 SR<sub>349</sub>'''是一個發現於2014年的[[海王星外天體]]，由天文學家[[斯科特·谢泼德]]與[[乍德·特魯希略]]發現。該天體與另外兩顆海王星外天體[[2013 FT28]]與[[2014 FE72]]於2016年8月29日宣布發現<ref>{{cite web|title=Hunt for Planet 9 reveals extremely distant solar system objects|url=https://astronomynow.com/2016/08/30/hunt-for-planet-9-reveals-extremely-distant-solar-system-objects/|publisher={{link-en|當代天文學|Astronomy Now|Astronomy Now}}|date=August 29, 2016|accessdate=October 16, 2016|archive-date=2020-09-27|archive-url=https://web.archive.org/web/20200927144831/https://astronomynow.com/2016/08/30/hunt-for-planet-9-reveals-extremely-distant-solar-system-objects/|dead-url=no}}</ref>，這些天體的發現被認為是假設中存在的[[第九行星]]更有力的證據。它目前的視星等24.22<ref>{{cite web|title=Asteroid 2014 SR349|url=http://theskylive.com/2014sr349-info|publisher=Theskylive|accessdate=October 16, 2016|archive-date=2020-10-25|archive-url=https://web.archive.org/web/20201025060109/https://theskylive.com/2014sr349-info|dead-url=no}}</ref>。<br />
<br />
[[File:TNO-Planet9-Diagram-CLEAN.jpg|640px|thumb|left|2014 SR<sub>349</sub>（黃色橢圓形）與其他[[獨立天體]]的軌道。右方虛線橢圓形是假設的[[第九行星]]的軌道。]]<br />
{{-}}<br />
==參考資料==<br />
{{reflist}}<br />
<br />
[[Category:黃道離散天體]]<br />
[[Category:2014年發現的天體]]</div>
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