UPSA Object Registry
Registry · solar system

Ananke

Natural satellite JPL Horizons
Orbital period
631 d

Also known as

2 identifiers

Horizons 512JXII

Recorded parameters

6 quantities with a single published value
ParameterValueUnitUncertainty As publishedSourceReference
Orbital period 631 d Orbital period JPL Horizons JPL Horizons on-line ephemeris system
Eccentricity e 0.169 e Eccentricity, e JPL Horizons JPL Horizons on-line ephemeris system
Inclination i deg 147 deg Inclination, i (deg) JPL Horizons JPL Horizons on-line ephemeris system
Local invar ref pln Sun Local invar ref. pln JPL Horizons JPL Horizons on-line ephemeris system
Radius km 10 km Radius (km) JPL Horizons JPL Horizons on-line ephemeris system
Semi major axis a km 21,200 km Semi-major axis, a (km) JPL Horizons JPL Horizons on-line ephemeris system

Provenance

where this card came from
ArchiveRead at (UTC)Record
JPL Horizons 2026-08-14 17:08 open at source

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