N A I A D
About Naiad
Closest to Neptune. Has no atmosphere, no water, and no evidence of life.
Quick Facts
Year Discovered : 1989
Discoverer : The Space Probe, 'Voyager 2'
Distance from Neptune : 48,200 km (29,950.09 miles)
Diameter : 50 km (31.06 miles)
Orbital Period : 0.3 days
T H A L A S S A
About Thalassa
Has no atmosphere, no water, and no evidence of life.
Quick Facts
Year Discovered : 1989
Discoverer : The Space Probe, 'Voyager 2'
Distance from Neptune : 50,000 km (31,068.55 miles)
Diameter : 90 km (55.92 miles)
Orbital Period : 0.31 days
D E S P I N A
About Despina
Has no atmosphere, no water, and no evidence of life.
Quick Facts
Year Discovered : 1989
Discoverer : The Space Probe, 'Voyager 2'
Distance from Neptune : 62,000 km (38,525.01 miles)
Diameter : 160 km (99.41 miles)
Orbital Period : 0.40 days
G A L A T E A
About Galatea
Has no atmosphere, no water, and no evidence of life.
Quick Facts
Year Discovered : 1989
Discoverer : The Space Probe, 'Voyager 2'
Distance from Neptune : 52,500 km (32,621.98 miles)
Diameter : 140 km (86.99 miles)
Orbital Period : 0.33 days
L A R I S S A
About Larissa
Has no atmosphere, no water, and no evidence of life.
Quick Facts
Year Discovered : 1989
Discoverer : The Space Probe, 'Voyager 2'
Distance from Neptune : 73,600 km (45732.91 miles)
Diameter : 200 km (124.27 miles)
Orbital Period : 0.56 days
P R O T E U S
About Proteus
Has no atmosphere, no water, and no evidence of life.
Quick Facts
Year Discovered : 1989
Discoverer : The Space Probe, 'Voyager 2'
Distance from Neptune : 117,600 km (73,073.25 miles)
Diameter : 420 km (260.97 miles)
Orbital Period : 1.12 days
T R I T O N
About Triton
Has an atmosphere, and water in an ice form.
Quick Facts
Year Discovered : 1846
Discoverer : W. Lassel
Distance from Neptune : 354,800 km (220,462.49 miles)
Diameter : 2,705 km (1,680.8 miles)
Orbital Period : 5.877 days
N E R E I D
About Nereid
Has no atmosphere, no water, and no evidence of life.
Quick Facts
Year Discovered : 1949
Discoverer : G. Kuiper
Distance from Neptune : 5,513,400 km (3,425,867.93 miles)
Diameter : 340 km (211.26 miles)
Orbital Period : 360.16 days
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This site is ©1999 Adam Rose, Doris Koh, and Joey Roth.
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