| IO-R2S I |  Barren | 0 | 2,860 km | -1°C | 0.16g | 0.27 AU |
| IO-R2S II |  Lava | 0 | 3,160 km | 1139°C | 0.44g | 0.415 AU |
| IO-R2S III | Barren | 0 | 2,200 km | -91°C | 0.33g | 0.602 AU |
| IO-R2S IV | Lava | 1 | 6,550 km | 991°C | 0.72g | 0.908 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| IO-R2S IV - Moon 1 | 810 km | -125°C | 0.04g | 3.5 × 10²¹ kg | 266,641 km |
|
| IO-R2S V |  Storm | 1 | 6,340 km | -154°C | 0.3g | 1.401 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| IO-R2S V - Moon 1 | 970 km | -154°C | 0.04g | 5.9 × 10²¹ kg | 634,806 km |
|
| IO-R2S VI |  Temperate | 1 | 5,730 km | 26°C | 0.87g | 2.122 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| IO-R2S VI - Moon 1 | 330 km | -176°C | 0.01g | 1.3 × 10²⁰ kg | 827,478 km |
|
| IO-R2S VII |  Gas | 16 | 27,850 km | -198°C | 2.15g | 3.521 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| IO-R2S VII - Moon 1 | 160 km | -198°C | 0g | 1.1 × 10¹⁹ kg | 75,272 km | | IO-R2S VII - Moon 2 | 230 km | -198°C | 0g | 3.4 × 10¹⁹ kg | 115,721 km | | IO-R2S VII - Moon 3 | 270 km | -198°C | 0.01g | 5.7 × 10¹⁹ kg | 164,758 km | | IO-R2S VII - Moon 4 | 170 km | -198°C | 0g | 1.2 × 10¹⁹ kg | 214,227 km | | IO-R2S VII - Moon 5 | 390 km | -198°C | 0.01g | 2.1 × 10²⁰ kg | 283,185 km | | IO-R2S VII - Moon 6 | 390 km | -198°C | 0.01g | 2.0 × 10²⁰ kg | 343,011 km | | IO-R2S VII - Moon 7 | 640 km | -198°C | 0.02g | 1.1 × 10²¹ kg | 483,488 km | | IO-R2S VII - Moon 8 | 700 km | -198°C | 0.02g | 1.5 × 10²¹ kg | 637,636 km | | IO-R2S VII - Moon 9 | 1,050 km | -198°C | 0.04g | 5.9 × 10²¹ kg | 855,910 km | | IO-R2S VII - Moon 10 | 1,170 km | -198°C | 0.04g | 8.6 × 10²¹ kg | 1,095,730 km | | IO-R2S VII - Moon 11 | 490 km | -198°C | 0.01g | 4.5 × 10²⁰ kg | 1,378,770 km | | IO-R2S VII - Moon 12 | 1,390 km | -198°C | 0.05g | 1.5 × 10²² kg | 1,591,190 km | | IO-R2S VII - Moon 13 | 620 km | -198°C | 0.02g | 1.0 × 10²¹ kg | 2,140,680 km | | IO-R2S VII - Moon 14 | 1,370 km | -198°C | 0.05g | 1.5 × 10²² kg | 2,382,200 km | | IO-R2S VII - Moon 15 | 600 km | -198°C | 0.02g | 8.8 × 10²⁰ kg | 3,236,700 km | | IO-R2S VII - Moon 16 | 360 km | -198°C | 0.01g | 1.6 × 10²⁰ kg | 4,300,020 km |
|
| IO-R2S VIII | Gas | 6 | 17,840 km | -223°C | 0.87g | 8.008 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| IO-R2S VIII - Moon 1 | 220 km | -223°C | 0g | 2.3 × 10¹⁹ kg | 107,113 km | | IO-R2S VIII - Moon 2 | 340 km | -223°C | 0.01g | 1.0 × 10²⁰ kg | 339,737 km | | IO-R2S VIII - Moon 3 | 900 km | -223°C | 0.02g | 2.8 × 10²¹ kg | 718,239 km | | IO-R2S VIII - Moon 4 | 1,210 km | -223°C | 0.03g | 7.5 × 10²¹ kg | 1,674,700 km | | IO-R2S VIII - Moon 5 | 1,320 km | -223°C | 0.04g | 1.0 × 10²² kg | 3,577,330 km | | IO-R2S VIII - Moon 6 | 570 km | -223°C | 0.01g | 5.7 × 10²⁰ kg | 7,130,290 km |
|
| IO-R2S IX | Gas | 12 | 19,280 km | -232°C | 1.07g | 11.937 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| IO-R2S IX - Moon 1 | 200 km | -232°C | 0g | 1.5 × 10¹⁹ kg | 213,380 km | | IO-R2S IX - Moon 2 | 210 km | -232°C | 0g | 1.8 × 10¹⁹ kg | 269,626 km | | IO-R2S IX - Moon 3 | 150 km | -232°C | 0g | 6.0 × 10¹⁸ kg | 347,470 km | | IO-R2S IX - Moon 4 | 380 km | -232°C | 0.01g | 1.4 × 10²⁰ kg | 473,792 km | | IO-R2S IX - Moon 5 | 290 km | -232°C | 0g | 5.3 × 10¹⁹ kg | 650,690 km | | IO-R2S IX - Moon 6 | 650 km | -232°C | 0.01g | 8.1 × 10²⁰ kg | 879,550 km | | IO-R2S IX - Moon 7 | 1,120 km | -232°C | 0.03g | 5.1 × 10²¹ kg | 1,695,480 km | | IO-R2S IX - Moon 8 | 510 km | -232°C | 0.01g | 3.6 × 10²⁰ kg | 2,216,420 km | | IO-R2S IX - Moon 9 | 900 km | -232°C | 0.02g | 2.5 × 10²¹ kg | 2,905,030 km | | IO-R2S IX - Moon 10 | 300 km | -232°C | 0g | 5.9 × 10¹⁹ kg | 3,746,270 km | | IO-R2S IX - Moon 11 | 1,730 km | -232°C | 0.05g | 2.3 × 10²² kg | 4,960,830 km | | IO-R2S IX - Moon 12 | 730 km | -232°C | 0.02g | 1.2 × 10²¹ kg | 12,359,100 km |
|
| IO-R2S X | Storm | 4 | 14,780 km | 31°C | 0.88g | 19.543 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| IO-R2S X - Moon 1 | 160 km | -241°C | 0g | 5.8 × 10¹⁸ kg | 174,415 km | | IO-R2S X - Moon 2 | 530 km | -241°C | 0.01g | 3.6 × 10²⁰ kg | 434,456 km | | IO-R2S X - Moon 3 | 1,450 km | -241°C | 0.03g | 1.1 × 10²² kg | 2,330,460 km | | IO-R2S X - Moon 4 | 2,320 km | -241°C | 0.07g | 5.5 × 10²² kg | 6,531,290 km |
|
| IO-R2S XI | Barren | 3 | 6,560 km | 29°C | 0.95g | 31.401 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| IO-R2S XI - Moon 1 | 410 km | -248°C | 0.01g | 1.3 × 10²⁰ kg | 405,606 km | | IO-R2S XI - Moon 2 | 1,820 km | -248°C | 0.04g | 2.1 × 10²² kg | 4,544,920 km | | IO-R2S XI - Moon 3 | 510 km | -248°C | 0.01g | 2.7 × 10²⁰ kg | 11,576,800 km |
|