| Y-JKJ8 I |  Lava | 0 | 2,200 km | 540°C | 0.24g | 0.258 AU |
| Y-JKJ8 II |  Barren | 0 | 2,450 km | -5°C | 0.17g | 0.375 AU |
| Y-JKJ8 III | Barren | 0 | 3,740 km | -54°C | 0.31g | 0.562 AU |
| Y-JKJ8 IV |  Temperate | 1 | 4,780 km | 9°C | 0.68g | 0.921 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y-JKJ8 IV - Moon 1 | 340 km | -102°C | 0.01g | 2.1 × 10²⁰ kg | 166,558 km |
|
| Y-JKJ8 V | Temperate | 1 | 6,110 km | 31°C | 1.09g | 1.134 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y-JKJ8 V - Moon 1 | 320 km | -119°C | 0.01g | 1.5 × 10²⁰ kg | 575,671 km |
|
| Y-JKJ8 VI | Barren | 0 | 2,850 km | -133°C | 0.2g | 1.37 AU |
| Y-JKJ8 VII | Barren | 0 | 3,180 km | -148°C | 0.32g | 1.722 AU |
| Y-JKJ8 VIII | Temperate | 2 | 11,190 km | 19°C | 1.09g | 2.517 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y-JKJ8 VIII - Moon 1 | 140 km | -169°C | 0g | 7.7 × 10¹⁸ kg | 65,029 km | | Y-JKJ8 VIII - Moon 2 | 990 km | -169°C | 0.04g | 5.8 × 10²¹ kg | 1,225,630 km |
|
| Y-JKJ8 IX |  Gas | 2 | 13,400 km | -189°C | 1.03g | 3.861 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y-JKJ8 IX - Moon 1 | 260 km | -189°C | 0.01g | 5.3 × 10¹⁹ kg | 226,117 km | | Y-JKJ8 IX - Moon 2 | 670 km | -189°C | 0.02g | 1.4 × 10²¹ kg | 1,299,610 km |
|
| Y-JKJ8 X | Gas | 5 | 15,300 km | -206°C | 0.54g | 5.955 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y-JKJ8 X - Moon 1 | 130 km | -206°C | 0g | 5.0 × 10¹⁸ kg | 62,992 km | | Y-JKJ8 X - Moon 2 | 450 km | -206°C | 0.01g | 3.2 × 10²⁰ kg | 173,587 km | | Y-JKJ8 X - Moon 3 | 690 km | -206°C | 0.02g | 1.3 × 10²¹ kg | 601,316 km | | Y-JKJ8 X - Moon 4 | 1,570 km | -206°C | 0.06g | 2.2 × 10²² kg | 1,249,340 km | | Y-JKJ8 X - Moon 5 | 1,290 km | -206°C | 0.05g | 1.1 × 10²² kg | 3,473,560 km |
|
| Y-JKJ8 XI | Gas | 18 | 37,110 km | -228°C | 1.47g | 13.253 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y-JKJ8 XI - Moon 1 | 160 km | -228°C | 0g | 8.0 × 10¹⁸ kg | 96,246 km | | Y-JKJ8 XI - Moon 2 | 320 km | -228°C | 0.01g | 7.8 × 10¹⁹ kg | 231,684 km | | Y-JKJ8 XI - Moon 3 | 300 km | -228°C | 0g | 6.4 × 10¹⁹ kg | 321,305 km | | Y-JKJ8 XI - Moon 4 | 240 km | -228°C | 0g | 2.9 × 10¹⁹ kg | 335,468 km | | Y-JKJ8 XI - Moon 5 | 350 km | -228°C | 0.01g | 1.0 × 10²⁰ kg | 375,008 km | | Y-JKJ8 XI - Moon 6 | 600 km | -228°C | 0.01g | 6.6 × 10²⁰ kg | 494,257 km | | Y-JKJ8 XI - Moon 7 | 900 km | -228°C | 0.02g | 2.6 × 10²¹ kg | 850,882 km | | Y-JKJ8 XI - Moon 8 | 260 km | -228°C | 0g | 3.7 × 10¹⁹ kg | 1,013,750 km | | Y-JKJ8 XI - Moon 9 | 280 km | -228°C | 0g | 4.8 × 10¹⁹ kg | 1,223,250 km | | Y-JKJ8 XI - Moon 10 | 1,250 km | -228°C | 0.03g | 8.0 × 10²¹ kg | 1,357,140 km | | Y-JKJ8 XI - Moon 11 | 1,760 km | -228°C | 0.06g | 2.6 × 10²² kg | 2,094,050 km | | Y-JKJ8 XI - Moon 12 | 2,470 km | -228°C | 0.09g | 8.2 × 10²² kg | 3,429,370 km | | Y-JKJ8 XI - Moon 13 | 1,670 km | -228°C | 0.05g | 2.2 × 10²² kg | 4,182,040 km | | Y-JKJ8 XI - Moon 14 | 1,420 km | -228°C | 0.04g | 1.2 × 10²² kg | 4,988,910 km | | Y-JKJ8 XI - Moon 15 | 3,480 km | -228°C | 0.15g | 2.7 × 10²³ kg | 7,236,540 km | | Y-JKJ8 XI - Moon 16 | 1,550 km | -228°C | 0.05g | 1.7 × 10²² kg | 10,728,200 km | | Y-JKJ8 XI - Moon 17 | 1,810 km | -228°C | 0.06g | 2.8 × 10²² kg | 14,245,800 km | | Y-JKJ8 XI - Moon 18 | 840 km | -228°C | 0.02g | 2.1 × 10²¹ kg | 18,742,200 km |
|
| Y-JKJ8 XII | Gas | 3 | 13,550 km | -239°C | 0.73g | 23.312 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y-JKJ8 XII - Moon 1 | 450 km | -239°C | 0.01g | 2.1 × 10²⁰ kg | 397,262 km | | Y-JKJ8 XII - Moon 2 | 1,900 km | -239°C | 0.05g | 2.9 × 10²² kg | 2,121,220 km | | Y-JKJ8 XII - Moon 3 | 3,030 km | -239°C | 0.1g | 1.4 × 10²³ kg | 14,519,400 km |
|