| 4-EP12 I |  Barren | 0 | 1,660 km | 24°C | 0.17g | 0.238 AU |
| 4-EP12 II |  Storm | 1 | 5,010 km | -76°C | 0.58g | 0.54 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 4-EP12 II - Moon 1 | 350 km | -76°C | 0.01g | 2.5 × 10²⁰ kg | 155,220 km |
|
| 4-EP12 III | Barren | 0 | 2,460 km | -113°C | 0.12g | 0.817 AU |
| 4-EP12 IV |  Temperate | 1 | 5,050 km | 6°C | 0.43g | 0.917 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 4-EP12 IV - Moon 1 | 770 km | -122°C | 0.03g | 3.0 × 10²¹ kg | 242,424 km |
|
| 4-EP12 V | Temperate | 1 | 5,510 km | 17°C | 1.03g | 1.549 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 4-EP12 V - Moon 1 | 300 km | -157°C | 0.01g | 1.0 × 10²⁰ kg | 235,130 km |
|
| 4-EP12 VI |  Gas | 15 | 22,850 km | -184°C | 1.43g | 2.633 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 4-EP12 VI - Moon 1 | 150 km | -184°C | 0g | 9.2 × 10¹⁸ kg | 123,944 km | | 4-EP12 VI - Moon 2 | 170 km | -184°C | 0g | 1.3 × 10¹⁹ kg | 157,893 km | | 4-EP12 VI - Moon 3 | 180 km | -184°C | 0g | 1.6 × 10¹⁹ kg | 190,508 km | | 4-EP12 VI - Moon 4 | 240 km | -184°C | 0.01g | 4.6 × 10¹⁹ kg | 254,554 km | | 4-EP12 VI - Moon 5 | 160 km | -184°C | 0g | 1.1 × 10¹⁹ kg | 374,801 km | | 4-EP12 VI - Moon 6 | 160 km | -184°C | 0g | 1.2 × 10¹⁹ kg | 425,046 km | | 4-EP12 VI - Moon 7 | 460 km | -184°C | 0.01g | 4.1 × 10²⁰ kg | 488,891 km | | 4-EP12 VI - Moon 8 | 150 km | -184°C | 0g | 9.5 × 10¹⁸ kg | 557,345 km | | 4-EP12 VI - Moon 9 | 200 km | -184°C | 0g | 2.3 × 10¹⁹ kg | 648,598 km | | 4-EP12 VI - Moon 10 | 550 km | -184°C | 0.02g | 7.4 × 10²⁰ kg | 739,756 km | | 4-EP12 VI - Moon 11 | 270 km | -184°C | 0.01g | 6.6 × 10¹⁹ kg | 878,685 km | | 4-EP12 VI - Moon 12 | 780 km | -184°C | 0.03g | 2.4 × 10²¹ kg | 1,156,730 km | | 4-EP12 VI - Moon 13 | 750 km | -184°C | 0.02g | 2.1 × 10²¹ kg | 1,687,120 km | | 4-EP12 VI - Moon 14 | 490 km | -184°C | 0.01g | 4.9 × 10²⁰ kg | 2,339,230 km | | 4-EP12 VI - Moon 15 | 320 km | -184°C | 0.01g | 1.2 × 10²⁰ kg | 3,050,040 km |
|
| 4-EP12 VII | Gas | 3 | 15,000 km | -202°C | 0.61g | 4.124 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 4-EP12 VII - Moon 1 | 420 km | -202°C | 0.01g | 2.6 × 10²⁰ kg | 163,121 km | | 4-EP12 VII - Moon 2 | 1,620 km | -202°C | 0.06g | 2.5 × 10²² kg | 868,279 km | | 4-EP12 VII - Moon 3 | 380 km | -202°C | 0.01g | 1.8 × 10²⁰ kg | 2,479,010 km |
|
| 4-EP12 VIII | Temperate | 3 | 10,170 km | 14°C | 1.35g | 5.919 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 4-EP12 VIII - Moon 1 | 230 km | -214°C | 0g | 2.8 × 10¹⁹ kg | 119,350 km | | 4-EP12 VIII - Moon 2 | 760 km | -214°C | 0.02g | 1.7 × 10²¹ kg | 571,115 km | | 4-EP12 VIII - Moon 3 | 860 km | -214°C | 0.02g | 2.6 × 10²¹ kg | 2,399,070 km |
|
| 4-EP12 IX | Gas | 5 | 12,940 km | -222°C | 0.73g | 8.161 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 4-EP12 IX - Moon 1 | 170 km | -222°C | 0g | 1.1 × 10¹⁹ kg | 60,004 km | | 4-EP12 IX - Moon 2 | 210 km | -222°C | 0g | 2.0 × 10¹⁹ kg | 228,156 km | | 4-EP12 IX - Moon 3 | 1,500 km | -222°C | 0.05g | 1.6 × 10²² kg | 1,090,400 km | | 4-EP12 IX - Moon 4 | 1,780 km | -222°C | 0.06g | 2.9 × 10²² kg | 2,611,180 km | | 4-EP12 IX - Moon 5 | 830 km | -222°C | 0.02g | 2.1 × 10²¹ kg | 5,734,880 km |
|
| 4-EP12 X | Gas | 14 | 20,500 km | -228°C | 1.36g | 10.503 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 4-EP12 X - Moon 1 | 200 km | -228°C | 0g | 1.6 × 10¹⁹ kg | 140,393 km | | 4-EP12 X - Moon 2 | 220 km | -228°C | 0g | 2.3 × 10¹⁹ kg | 259,356 km | | 4-EP12 X - Moon 3 | 240 km | -228°C | 0g | 2.8 × 10¹⁹ kg | 396,353 km | | 4-EP12 X - Moon 4 | 540 km | -228°C | 0.01g | 4.6 × 10²⁰ kg | 575,888 km | | 4-EP12 X - Moon 5 | 650 km | -228°C | 0.01g | 8.8 × 10²⁰ kg | 910,285 km | | 4-EP12 X - Moon 6 | 960 km | -228°C | 0.02g | 3.3 × 10²¹ kg | 1,138,810 km | | 4-EP12 X - Moon 7 | 620 km | -228°C | 0.01g | 7.2 × 10²⁰ kg | 1,417,190 km | | 4-EP12 X - Moon 8 | 730 km | -228°C | 0.02g | 1.3 × 10²¹ kg | 1,753,000 km | | 4-EP12 X - Moon 9 | 1,080 km | -228°C | 0.03g | 4.9 × 10²¹ kg | 1,979,420 km | | 4-EP12 X - Moon 10 | 1,500 km | -228°C | 0.04g | 1.5 × 10²² kg | 2,425,940 km | | 4-EP12 X - Moon 11 | 1,630 km | -228°C | 0.05g | 2.0 × 10²² kg | 3,645,350 km | | 4-EP12 X - Moon 12 | 930 km | -228°C | 0.02g | 2.9 × 10²¹ kg | 4,628,010 km | | 4-EP12 X - Moon 13 | 2,030 km | -228°C | 0.07g | 4.2 × 10²² kg | 5,046,030 km | | 4-EP12 X - Moon 14 | 850 km | -228°C | 0.02g | 2.1 × 10²¹ kg | 7,758,500 km |
|
| 4-EP12 XI | Gas | 6 | 16,150 km | -236°C | 0.58g | 15.04 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 4-EP12 XI - Moon 1 | 250 km | -236°C | 0g | 2.9 × 10¹⁹ kg | 121,018 km | | 4-EP12 XI - Moon 2 | 900 km | -236°C | 0.02g | 2.3 × 10²¹ kg | 653,564 km | | 4-EP12 XI - Moon 3 | 1,870 km | -236°C | 0.06g | 2.9 × 10²² kg | 1,509,820 km | | 4-EP12 XI - Moon 4 | 1,300 km | -236°C | 0.03g | 8.1 × 10²¹ kg | 3,079,780 km | | 4-EP12 XI - Moon 5 | 3,280 km | -236°C | 0.12g | 2.0 × 10²³ kg | 5,344,040 km | | 4-EP12 XI - Moon 6 | 290 km | -236°C | 0g | 5.2 × 10¹⁹ kg | 13,947,400 km |
|
| 4-EP12 XII | Barren | 2 | 8,300 km | 7°C | 0.91g | 18.783 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 4-EP12 XII - Moon 1 | 250 km | -240°C | 0g | 3.0 × 10¹⁹ kg | 213,102 km | | 4-EP12 XII - Moon 2 | 1,550 km | -240°C | 0.04g | 1.4 × 10²² kg | 2,844,300 km |
|
| 4-EP12 XIII |  Oceanic | 0 | 3,300 km | 81°C | 0.27g | 22.484 AU |
| 4-EP12 XIV | Barren | 2 | 5,910 km | 37°C | 0.93g | 27.231 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 4-EP12 XIV - Moon 1 | 380 km | -245°C | 0g | 1.0 × 10²⁰ kg | 987,995 km | | 4-EP12 XIV - Moon 2 | 790 km | -245°C | 0.01g | 1.3 × 10²¹ kg | 7,012,810 km |
|