Two new Jupiter satellites were discovered on archive images taken on the 27th September, 2011, with the 6.5 meter Magellan-Badde telescope at the Las Campanas Observatory. This raises the total satellite count for Jupiter to 66 (8 regular prograde, 6 irregular prograde and 52 irregular retrograde orbits).
S/2011 J 1 orbits Jupiter in 582.2 days at an inclination of 162,8°. S/2011 J 2 orbits Jupiter in 725.06 days at an inclination of 151.8°.
Orbital elements:
S/2011 J 1 Earth MOID = 0.8283 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 276.86749 (2000.0) P Q
n 0.61831791 Peri. 94.82847 -0.87496880 -0.40924130
a 0.1343686 Node 298.77934 -0.46985075 +0.84670853
e 0.2962952 Incl. 162.82963 +0.11691822 +0.34000914
P 1.59 H 16.8 P/d 582.22
S/2011 J 2
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 12.65424 (2000.0) P Q
n 0.49651387 Peri. 322.19842 -0.52188778 +0.71077148
a 0.1555314 Node 88.66552 +0.85130795 +0.39903876
e 0.3866892 Incl. 151.85138 +0.05392516 +0.57928574
P 1.99 H 17.0 P/d 725.06