Neptune

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Moons of Neptune

Neptune has over ten moons. The most significant is Triton.

		Triton
Distance from the Neptune	real	354 759 km
	in scale	76.5 cm
	light from Neptune reaches in	1.2 s
Diameter	real	2 700 km
	as a multiple of our Moon	0.78 x
	in scale	5.82 mm
Orbit period	around Neptune	-5.9 days
Mass	real	2.139*1022 kg
	as a multiple of our Moon	0.291x

Only few of the other moons are greater than 100km.

		Despina	Galatea	Proteus	Nereid
Distance from the Neptune	real	52 526 km	61 593 km	117 647 km	5 513 400 km
	in scale	11.32 cm	13.27 cm	25.35 cm	11.9 m
	light from Neptune reaches in	0.2 s	0.2 s	0.4 s	18.4 s
Diameter	real	150 km	176 km	420 km	340 km
	as a multiple of our Moon	0.04 x	0.05 x	0.12 x	0.10 x
	in scale	0.32 mm	0.38 mm	0.91 mm	0.73 mm
Orbit period	around Neptune	0.3 days	0.4 days	1.1 days	360.1 days
Movement in a day	degrees	1 075.7 °	839.7 °	320.8 °	1.0 °
	in our scale	213 cm	195 cm	142 cm	21 cm
Mass	real	2.100*1018 kg	3.700*1018 kg	5.000*1019 kg	3.100*1019 kg
	as a multiple of our Moon	2.86E-5x	5.04E-5x	0.00068x	0.000422x