Jupiter LI

Jupiter LI, provisionally known as S/2010 J 1, is a natural satellite of Jupiter. It was discovered by R. Jacobson, M. Brozović, B. Gladman, and M. Alexandersen in 2010.[2][3][4] It received its permanent number in March 2015.[5] It is now known to circle Jupiter at an average distance of 23.45 million km, taking 2.02 years to complete an orbit around Jupiter. Jupiter LI is about 3 km wide. It is a member of the Carme group.

Sequence of images of Jupiter LI, taken by the CFHT 38 minutes apart

Jupiter LI

Jupiter LI imaged by the Canada-France-Hawaii Telescope on 8 September 2020
Discovery
Discovered by	Robert A. Jacobson Marina Brozović Brett Gladman Mike Alexandersen
Discovery site	Palomar Obs.
Discovery date	7 September 2010
Designations
Designation	Jupiter LI
Alternative names	S/2010 J 1
Orbital characteristics [1]
Semi-major axis	23314335 km
Eccentricity	0.320
Orbital period	−723.2 days
Inclination	163.2°
Satellite of	Jupiter
Group	Carme group
Physical characteristics
Mean diameter	2 km
Apparent magnitude	23.3

This body was discovered from the 200-inch (508 cm) aperture Hale telescope in California.[6] (there is also a 60-inch aperture Hale telescope)

References

1. S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science, on line
2. MPEC 2011-L06: S/2010 J 1 and S/2010 J 2 2011 June 1 (discovery)
3. IAUC 9222
4. Jupiter's Known Satellites
5. CBET 4075: 20150307 : SATELLITES OF JUPITER, 7 March 2015.
6. "Jupiter's Smallest Moon". Astrobiology Magazine. 2012-06-08. Retrieved 2019-11-03.