UPSA Object Registry

Registry · solar system

Naiad

Natural satellite JPL Horizons

Mean radius: 29 km
Orbital period: 0.29398 d
Geometric albedo: 0.06

Also known as

2 identifiers

Horizons 803NIII

Recorded parameters

7 quantities with a single published value

Parameter	Value	Unit	Uncertainty	As published	Source	Reference
Mean radius	29	km		Mean radius (km)	JPL Horizons	JPL Horizons on-line ephemeris system
Orbital period	0.29398	d		Orbital period	JPL Horizons	JPL Horizons on-line ephemeris system
Geometric albedo	0.06			Geometric Albedo	JPL Horizons	JPL Horizons on-line ephemeris system
Eccentricity e	0	e		Eccentricity, e	JPL Horizons	JPL Horizons on-line ephemeris system
Inclination i deg	4.7	deg		Inclination, i (deg)	JPL Horizons	JPL Horizons on-line ephemeris system
Mean dens g cm 3	1.251	g cm^-3		Mean dens (g cm^-3)	JPL Horizons	JPL Horizons on-line ephemeris system
Semi major axis a km	48.2	km		Semi-major axis, a (km)	JPL Horizons	JPL Horizons on-line ephemeris system

Provenance

where this card came from

Archive	Read at (UTC)	Record
JPL Horizons	2026-08-14 17:11	open at source

Machine-readable: /api/v1/object/naiad · Registry entry updated 2026-08-14.