The elusive innermost moon of Nara, Amos shares in the darker tones of Nara's surface and may have a unique composition if it is correctly judged just as a book may often be judged by its cover.

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Rational Resources Classification:

Ocean	Surface	Atmosphere	Exosphere
None	Ice-Nitrogen	None	None

From the PDF included in the download:

Bulk Params		Orbital and Rotational Params
Classification	Moon (Nara)	Semi-major Axis	55,880 km
Radius	320 km sea level, 321.2 km mean	Periapsis	55,321 km
Mass	9.02777×1020 kg	Apoapsis	56,439 km
Gravitational Parameter	6.02521×1010 m3/s2	Orbit eccentricity	0.01
Mean density	6,500 kg/m3	Orbit inclination	0.5°
Surface gravity	0.06 g ASL	Longitude of ascending node	180°
Escape velocity	614 m/s	Argument of periapsis	345°
Bond Albedo	0.25	Sidereal orbit period	5.3891 days
Solar irradiance	0.65 W/m2	Synodic period	5.3894 days
Black-body temperature	38 K	Mean orbital velocity	1,508 m/s
		Sidereal rotation period	5.3891 days
		Solar day	5.3894 days
		Synchronous orbit altitude	N/A
		Sphere of influence	2,616 km