Perbezaan antara semakan "Neptun"

2,115 bait ditambah ,  6 tahun lalu
k
Membalikkan suntingan oleh 120.140.95.120 (Perbincangan) kepada versi terakhir oleh Addbot
k (Membalikkan suntingan oleh 120.140.95.120 (Perbincangan) kepada versi terakhir oleh Addbot)
{{Portal|Astronomi}}{{Infobox Planet
N/A
| bgcolour = #97C3F4
| name = Neptun
| symbol = [[Fail:Neptune symbol.svg|25px|Astronomical symbol of Neptune]]
| image = [[Fail:neptune.jpg|240px|Neptune dari Voyager 2]]
| caption = Klik Imej untuk perincian
| discovery = yes
| discoverer = [[Urbain Le Verrier]]<br /> [[John Couch Adams]]<br /> [[Johann Gottfried Galle|Johann Galle]]
| discovered = [[September 23]], [[1846]]
| epoch = [[J2000]]
| aphelion = 4,536,874,325 km<br />30.327 131 69 AU
| perihelion = 4,459,631,496 km<br />29.810 795 27 AU
| semimajor = [[1 E12 m|4,498,252,900]] [[kilometre|km]]<br />30.068 963 48 [[Astronomical unit|AU]]
| orbital_circ = 28.263 [[Tera|T]][[metre|m]]<br />188.925 AU
| eccentricity = 0.008 585 87
| sidereal_period = [[1 E9 s|60,223.3528]] [[day]]<br />(164.88 [[julian year (astronomy)|yr]])
| synodic_period = 367.49 day
| avg_speed = 5.432 km/s
| max_speed = 5.479 km/s
| min_speed = 5.385 km/s
| inclination = 1.769 17°<br />(6.43° to Sun's equator)
| asc_node = 131.721 69°
| arg_perihelion = 273.249 66°
| satellites = 13
| physical_characteristics = yes
| oblateness = 0.0171
| equatorial_radius = [[1 E7 m|24,764]] km [http://www.onasch.de/astro/showobject.php?lang=en&head=f&anim=129&obj=p08]<br />(3.883 Earths)
| polar_radius = 24,341 km<br />(3.829 [[Earth]]s)
| surface_area = [[1 E15 m2|7.619×10<sup>9</sup>]] [[square kilometre|km²]]<br />(14.94 Earths)
| volume = 6.254×10<sup>13</sup> [[cubic kilometre|km³]]<br />(57.74 Earths)
| mass = 1.0243×10<sup>26</sup> [[kilogram|kg]]<br />(17.147 Earths)
| density = 1.638 g/cm³
| surface_grav = 11.15 [[Acceleration|m/s<sup>2</sup>]]<br />(1.14 [[Acceleration due to gravity|g]]) (At 1 [[bar (unit)|bar]])
| escape_velocity = 23.5 km/s
| sidereal_day = 16.11 h (16 j 6 min 36 s) [http://www.hnsky.org/iau-iag.htm <sup>1</sup>]
| rot_velocity = 2.68 km/s = 9660 km/j (di khatulistiwa)
| axial_tilt = 28.32°
| right_asc_north_pole = 299.33° (19 j 57 min 20 s)
| declination = 42.95°
| albedo = 0.41
| temperatures = yes
| temp_name1 = [[Kelvin]]
| min_temp_1 = 50 K
| mean_temp_1 = [[1 E1 K|53 K]]
| max_temp_1 = N/A
| adjectives = Neptunian
| atmosphere = yes
| surface_pressure = ≫<!--Much greater than-->100 [[Pascal (unit)|kPa]]
| atmosphere_composition = 80% ±3.2% [[Hidrogen]] - H<sub>2</sub><br />19% ±3.2% [[Helium]] - He<br />1.5% ±0.5% [[Metana]] - CH<sub>4</sub><br />192 [[Parts per million|ppm]] [[Deuterium|Hidrogen Deuterida]] - HD<br />1.5 ppm [[Etana]] - C<sub>2</sub>H<sub>6</sub>ijjoiKi/i8u/u
}}
 
* 5,913.5 juta kilometer ke [[Pluto]].
 
Terdapat juga lingkaran [[asteroid]] yang kebanyakannya mengelilingi [[matahari]] di antara orbit planet Marikh dan Musytari. Disebabkan oleh putaran, garis pusat apada [[garis khatulistiwa]] adalah terpanjang bagi setiap planet dan [[bintang]].
{{sistem_suria}}
 
245,304

suntingan