S/2016 J 3 Explained

S/2016 J 3
Discoverer:Scott S. Sheppard
Discovery Site:Las Campanas Obs.
Discovered:9 March 2016
Epoch:25 February 2023 (JD 2460000.5)
Observation Arc:6.53 yr (2,384 d)
Eccentricity:0.2360219
Period:–1.85 yr (–676.37 days)
Mean Anomaly:1.36683°
Mean Motion: / day
Inclination:164.06576°
Asc Node:130.09696°
Arg Peri:192.07894°
Satellite Of:Jupiter
Group:Carme group
Mean Diameter:
Albedo:0.04
Magnitude:23.6
Abs Magnitude:16.7

S/2016 J 3 is a small outer natural satellite of Jupiter discovered by Scott S. Sheppard on 9 March 2016, using the 6.5-meter Magellan-Baade Telescope at Las Campanas Observatory, Chile. It was announced by the Minor Planet Center 7 years later on 5 January 2023, after observations were collected over a long enough time span to confirm the satellite's orbit.

S/2016 J 3 is part of the Carme group, a tight cluster of retrograde irregular moons of Jupiter that follow similar orbits to Carme at semi-major axes between NaNe6km, orbital eccentricities between 0.2–0.3, and inclinations between 163–166°. It has a diameter of about for an absolute magnitude of 16.7.