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[[Lêer:Voyager 2 Neptune and Triton.jpg|duimnael|300px|Neptunus en sy maan [[Triton (maan)|Triton]].]]
'''Neptunus se mane''' tel altesaam 1314. Verreweg die grootste hiervan is [[Triton (maan)|Triton]], wat op 10 Oktober 1846 deur [[William Lassell]] ontdek is, net 17 dae ná die ontdekking van [[Neptunus (planeet)|Neptunus]] self. Meer as ’n eeu het verloop voordat die planeet se tweede [[natuurlike satelliet]], [[Nereïde]], ontdek is. Neptunus se mane is genoem na goddelike waterwesens in die [[Griekse mitologie]].
== Eienskappe ==
Triton is uniek onder mane met [[planetêre massa]]: Dit is onreëlmatig omdat dit in die teenoorgestelde rigting as Neptunus draai. Die tweede grootste onreëlmatige satelliet in die [[sonnestelsel]], [[Saturnus]] se maan [[Phoebe (maan)|Phoebe]], is net 0,03% van Triton se massa. Triton is groot genoeg om ’n [[hidrostatiese balansewewig]] te bereik het. Hy het ’n dun atmosfeer wat wolke en mis kan vorm. Beide die atmosfeer en die oppervlak van die maan bestaan hoofsaaklik uit [[stikstof]] met klein hoeveelhede [[metaan]] en [[koolstof]]monoksied. Dit lyk of Triton se oppervlak redelik jonk is; dit is waarskynlik die afgelope paar miljoen jaar verander deur inwendige prosesse. Die temperatuur op die oppervlak is sowat 38 K (−235,2 °C).
Binne Triton se radius lê sessewe reëlmatige satelliete wat in dieselfde rigting as Neptunus draai en op vlakke lê wat na aan die planeet se ewenaarvlak is. Van hulle lê in die wentelbane van [[Neptunus se ringe]]. Die grootste hiervan is [[Proteus (maan)|Proteus]].
Neptunus het ook sessewe buitenste, onreëlmatige satelliete, insluitende Nereïde. Die twee heel buitenstes, [[Psamathe (maan)|Psamathe]] en [[Neso (maan)|Neso]], het die grootste wentelbane sover bekend van enige natuurlike satelliete in die sonnestelsel.
== Name ==
| url = http://www.mlahanas.de/Physics/Bios/CamilleFlammarion.html
| accessdate = 2008-01-18
}}</ref> Ander mane van Neptunus is ook na goddelike waterwesens genoem, óf na die kinders van [[Neptunus]], die [[Romeinse mitologie|Romeinse god]] van die see, óf die kinders van [[Poseidon]], sy [[Griekse mitologie|Griekse eweknie]]<ref name="Gazetteer">{{Cite web| title=Planet and Satellite Names and Discoverers|work=Gazetteer of Planetary Nomenclature|publisher=USGS Astrogeology|date=July 21, 2006|url=http://planetarynames.wr.usgs.gov/append7.html|accessdate=2006-08-06}}</ref> (Triton, Proteus, Despina, Thalassa); of andersins na Griekse waternimfe ([[Naiade]], [[Nereïde]]); of na spesifieke Nereïdes (Halimede, Galatea, Neso, Sao, Laomedeia, Psamathe).<ref name="Gazetteer" /> Die mees onlangs ontdekte maan, [[Hippocamp]], het eers in Februarie 2019 ’n naam gekry – dit is genoem na ’n mitologiese wese wat halfperd en halfvis is.<ref name="Showalter2019">{{cite journal|last1= Showalter|first1=M. R.|last2=de Pater|first2= I.|last3= Lissauer|first3=J. J.|last4= French|first4=R. S.|url=https://www.spacetelescope.org/static/archives/releases/science_papers/heic1904/heic1904a.pdf|title= The seventh inner moon of Neptune|journal= Nature|volume= 566|issue= 7744|year= 2019|pages= 350–353|doi= 10.1038/s41586-019-0909-9}}</ref>
== Neptunus se mane ==
| 5 || VII || Larissa || {{IPA|ləˈrɪsə}} || bgcolor="black" | [[Lêer:Larissa 1.jpg|50px|senter|alt=An irregularly shaped grey object slightly elongated horizontally occupies almost the whole image. Its surface shows a number of dark and white spots.]] || align="center" | 194 <br /> (216 × 204 × 168) || align="right" | 460 || align="right" | 73 548 || align="right" | 0,555 || align="right" | 0,205 || align="right" | 0,0014 || align="center" | 1981 || H. Reitsema, W. Hubbard, L. Lebofsky en D.J. Tholen
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| 6 || VIIIXIV || ProteusHippocamp || {{IPA|ˈproʊtiəsˈhɪpoʊ-kæmp}} || bgcolor="black" | [[Lêer:ProteusS-2004 (VoyagerN1 2)Hubble montage.jpg|50px|senter|alt=A conically shaped object is seen half-illuminated from the right. The cone axis looks towards the observer. The outline of the object is a rectangle with rounded corners. The surface is rough with a few large depressions.]] || align="center" | 420 <br /> (436 × 416 × 402)34,8 || align="right" | 4{{sort|0000005|{{nowrap|≈ thinsp;4005}}}} || align="rightcenter" | 117 646{{val|105283}} || align="right" | 10,122936 || align="right" | 0,075064 || align="right" | 0,0005 || align="center" | 19892013 || VoyagerShowalter et al.<ref name = "STScI_2013-span07-15">{{cite web
| title = Hubble Finds New Neptune Moon
| work = | publisher = Space Telescope Science Institute
| date = 2013-07-15
| url = http://hubblesite.org/newscenter/archive/releases/2013/30/full/
| accessdate = 2013-07-15}}</ref>
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| 7 || VIII || Proteus || {{IPA|ˈproʊtiəs}} || bgcolor="black" | [[Lêer:Proteus (Voyager 2).jpg|50px|senter|alt=A conically shaped object is seen half-illuminated from the right. The cone axis looks towards the observer. The outline of the object is a rectangle with rounded corners. The surface is rough with a few large depressions.]] || align="center" | 420 <br /> (436 × 416 × 402) || align="right" | 4 400 || align="right" | 117 646 || align="right" | 1,122 || align="right" | 0,075 || align="right" | 0,0005 || align="center" | 1989 || Voyager-span
|- style="background: #f4c2c2"
| 78 || I || Triton<sup>♠</sup> || {{IPA|ˈtraɪtən}} || bgcolor="black" | [[Lêer:Triton2.jpg|50px|senter|alt=A large spherical object is half-illuminated from the bottom-left. The south pole faces to the light source. Around it in the bottom-left part of the body there is a large white area with a few dozens dark streaks elongated in the pole to equator direction. This polar cap has a slight red tinge. The equatorial region is darker with a tint of cyan. Its surface is rough with a number of craters and intersecting lineaments.]] || align="center" | 2 705,2 ± 4,8 <br /> (2 709 × 2 706 × 2 705) || align="right" | 2 140 800 <br /> ± 5200 || align="right" | 354 759 || align="right" | 5,877 || align="right" | 156,865 || align="right" | 0,0000 || align="center" | 1846 || W. Lassell
|- style="background: #ccf;"
| 89 || II || Nereïde<sup>‡</sup> || {{IPA|ˈnɪəriː.ɪd}} || bgcolor="black" | [[Lêer:Nereid-Neptune.jpg|50px|senter|alt=A small white smeared body is seen in center.]] || align="center" | 340 ± 50 || align="right" | 2 700 || align="right" | 5 513 818 || align="right" | 360,136 || align="right" | 7,090 || align="right" | 0,7507 || align="center" | 1949 || G.P. Kuiper
|- style="background: #f4c2c2;"
| 910 || IX || Halimede<sup>♠</sup> || {{IPA|ˌhælɨˈmiːdiː}} || [[File:Halimede.jpg|50px|center]]|| align="center" | ~62 || align="right" | 16 || align="right" | 16 611 000 || align="right" | 1 879,08 || align="right" | 112,712 || align="right" | 0,2646 || align="center" | 2002 || M. Holman, J. Kavelaars, T. Grav, W. Fraser en D. Milisavljevic
|- style="background: #ccf;"
| 1011 || XI || Sao<sup>‡</sup> || {{IPA|ˈseɪ.oʊ}} || || align="center" | ~44 || align="right" | 6 || align="right" | 22 228 000 || align="right" | 2 912,72 || align="right" | 53,483 || align="right" | 0,1365 || align="center" | 2002 || M. Holman, J. Kavelaars, T. Grav, W. Fraser en D. Milisavljevic
|- style="background: #ccf;"
| 1112 || XII || Laomedeia<sup>‡</sup> || {{IPA|ˌleɪ.ɵmɨˈdiːə}} || || align="center" | ~42 || align="right" | 5 || align="right" | 23 567 000 || align="right" | 3 171,33 || align="right" | 37,874 || align="right" | 0,3969 || align="center" | 2002 || M. Holman, J. Kavelaars, T. Grav, W. Fraser en D. Milisavljevic
|- style="background: #f4c2c2;"
| 1213 || X || Psamathe<sup>♠</sup> || {{IPA|ˈsæməθiː}} || [[File:Psamathe arrow.png|50px|center]] || align="center" | ~40 || align="right" | 4 || align="right" | 48 096 000 || align="right" | 9 074,30 || align="right" | 126,312 || align="right" | 0,3809 || align="center" | 2003 || S.S. Sheppard, D.C. Jewitt en J. Kleyna
|- style="background: #f4c2c2;"
| 1314 || XIII || Neso<sup>♠</sup> || {{IPA|ˈniːsoʊ}} || || align="center" | ~60 || align="right" | 15 || align="right" | 49 285 000 || align="right" | 9 740,73 || align="right" | 136,439 || align="right" | 0,5714 || align="center" | 2002 || M. Holman, J. Kavelaars, T. Grav, W. Fraser en D. Milisavljevic
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