| U4-V3J I |  Barren | 0 | 1,890 km | 141°C | 0.18g | 0.267 AU |
| U4-V3J II |  Plasma | 1 | 4,240 km | 48°C | 0.6g | 0.443 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| U4-V3J II - Moon 1 | 370 km | 48°C | 0.02g | 3.8 × 10²⁰ kg | 100,306 km |
|
| U4-V3J III |  Lava | 1 | 7,100 km | 516°C | 1.03g | 0.895 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| U4-V3J III - Moon 1 | 980 km | -47°C | 0.06g | 8.6 × 10²¹ kg | 338,995 km |
|
| U4-V3J IV | Barren | 1 | 5,360 km | 31°C | 0.63g | 1.129 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| U4-V3J IV - Moon 1 | 250 km | -72°C | 0.01g | 8.4 × 10¹⁹ kg | 377,326 km |
|
| U4-V3J V |  Gas | 3 | 13,310 km | -110°C | 0.81g | 1.72 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| U4-V3J V - Moon 1 | 120 km | -110°C | 0g | 5.9 × 10¹⁸ kg | 49,546 km | | U4-V3J V - Moon 2 | 350 km | -110°C | 0.01g | 2.2 × 10²⁰ kg | 205,577 km | | U4-V3J V - Moon 3 | 1,070 km | -110°C | 0.06g | 9.7 × 10²¹ kg | 525,511 km |
|
| U4-V3J VI | Gas | 5 | 19,830 km | -141°C | 0.63g | 2.628 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| U4-V3J VI - Moon 1 | 120 km | -141°C | 0g | 5.1 × 10¹⁸ kg | 133,144 km | | U4-V3J VI - Moon 2 | 180 km | -141°C | 0g | 2.2 × 10¹⁹ kg | 265,365 km | | U4-V3J VI - Moon 3 | 470 km | -141°C | 0.02g | 5.1 × 10²⁰ kg | 733,847 km | | U4-V3J VI - Moon 4 | 400 km | -141°C | 0.01g | 3.1 × 10²⁰ kg | 1,385,660 km | | U4-V3J VI - Moon 5 | 300 km | -141°C | 0.01g | 1.1 × 10²⁰ kg | 1,997,100 km |
|
| U4-V3J VII | Gas | 18 | 51,000 km | -181°C | 3.03g | 5.417 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| U4-V3J VII - Moon 1 | 230 km | -181°C | 0g | 4.0 × 10¹⁹ kg | 108,057 km | | U4-V3J VII - Moon 2 | 250 km | -181°C | 0.01g | 5.1 × 10¹⁹ kg | 144,516 km | | U4-V3J VII - Moon 3 | 380 km | -181°C | 0.01g | 2.0 × 10²⁰ kg | 206,370 km | | U4-V3J VII - Moon 4 | 360 km | -181°C | 0.01g | 1.8 × 10²⁰ kg | 286,062 km | | U4-V3J VII - Moon 5 | 720 km | -181°C | 0.02g | 1.8 × 10²¹ kg | 374,495 km | | U4-V3J VII - Moon 6 | 860 km | -181°C | 0.03g | 3.4 × 10²¹ kg | 579,108 km | | U4-V3J VII - Moon 7 | 480 km | -181°C | 0.01g | 4.6 × 10²⁰ kg | 690,678 km | | U4-V3J VII - Moon 8 | 300 km | -181°C | 0.01g | 9.1 × 10¹⁹ kg | 738,235 km | | U4-V3J VII - Moon 9 | 870 km | -181°C | 0.03g | 3.4 × 10²¹ kg | 786,995 km | | U4-V3J VII - Moon 10 | 310 km | -181°C | 0.01g | 1.0 × 10²⁰ kg | 966,835 km | | U4-V3J VII - Moon 11 | 1,050 km | -181°C | 0.04g | 6.6 × 10²¹ kg | 1,158,960 km | | U4-V3J VII - Moon 12 | 2,320 km | -181°C | 0.13g | 10.0 × 10²² kg | 1,818,210 km | | U4-V3J VII - Moon 13 | 2,000 km | -181°C | 0.1g | 6.0 × 10²² kg | 2,719,150 km | | U4-V3J VII - Moon 14 | 940 km | -181°C | 0.03g | 4.6 × 10²¹ kg | 3,251,600 km | | U4-V3J VII - Moon 15 | 3,300 km | -181°C | 0.21g | 3.3 × 10²³ kg | 3,761,830 km | | U4-V3J VII - Moon 16 | 1,220 km | -181°C | 0.05g | 1.1 × 10²² kg | 5,255,590 km | | U4-V3J VII - Moon 17 | 1,990 km | -181°C | 0.1g | 5.9 × 10²² kg | 6,620,240 km | | U4-V3J VII - Moon 18 | 1,340 km | -181°C | 0.06g | 1.5 × 10²² kg | 8,952,130 km |
|
| U4-V3J VIII | Gas | 13 | 21,910 km | -207°C | 1.57g | 10.358 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| U4-V3J VIII - Moon 1 | 140 km | -207°C | 0g | 5.6 × 10¹⁸ kg | 99,148 km | | U4-V3J VIII - Moon 2 | 200 km | -207°C | 0g | 1.9 × 10¹⁹ kg | 131,811 km | | U4-V3J VIII - Moon 3 | 140 km | -207°C | 0g | 6.2 × 10¹⁸ kg | 179,616 km | | U4-V3J VIII - Moon 4 | 390 km | -207°C | 0.01g | 1.9 × 10²⁰ kg | 232,770 km | | U4-V3J VIII - Moon 5 | 360 km | -207°C | 0.01g | 1.5 × 10²⁰ kg | 353,397 km | | U4-V3J VIII - Moon 6 | 530 km | -207°C | 0.01g | 5.2 × 10²⁰ kg | 548,152 km | | U4-V3J VIII - Moon 7 | 900 km | -207°C | 0.03g | 3.2 × 10²¹ kg | 796,259 km | | U4-V3J VIII - Moon 8 | 940 km | -207°C | 0.03g | 3.7 × 10²¹ kg | 1,150,260 km | | U4-V3J VIII - Moon 9 | 1,570 km | -207°C | 0.06g | 2.2 × 10²² kg | 1,878,760 km | | U4-V3J VIII - Moon 10 | 820 km | -207°C | 0.02g | 2.4 × 10²¹ kg | 2,736,090 km | | U4-V3J VIII - Moon 11 | 1,570 km | -207°C | 0.06g | 2.2 × 10²² kg | 3,832,700 km | | U4-V3J VIII - Moon 12 | 1,870 km | -207°C | 0.08g | 4.0 × 10²² kg | 6,262,750 km | | U4-V3J VIII - Moon 13 | 800 km | -207°C | 0.02g | 2.2 × 10²¹ kg | 8,388,000 km |
|
| U4-V3J IX | Gas | 20 | 40,810 km | -221°C | 2.23g | 16.538 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| U4-V3J IX - Moon 1 | 150 km | -221°C | 0g | 7.0 × 10¹⁸ kg | 129,840 km | | U4-V3J IX - Moon 2 | 180 km | -221°C | 0g | 1.2 × 10¹⁹ kg | 195,039 km | | U4-V3J IX - Moon 3 | 390 km | -221°C | 0.01g | 1.6 × 10²⁰ kg | 347,641 km | | U4-V3J IX - Moon 4 | 200 km | -221°C | 0g | 1.8 × 10¹⁹ kg | 415,579 km | | U4-V3J IX - Moon 5 | 530 km | -221°C | 0.01g | 4.8 × 10²⁰ kg | 685,558 km | | U4-V3J IX - Moon 6 | 480 km | -221°C | 0.01g | 3.4 × 10²⁰ kg | 1,021,170 km | | U4-V3J IX - Moon 7 | 730 km | -221°C | 0.02g | 1.4 × 10²¹ kg | 1,167,090 km | | U4-V3J IX - Moon 8 | 1,020 km | -221°C | 0.03g | 4.4 × 10²¹ kg | 1,616,750 km | | U4-V3J IX - Moon 9 | 820 km | -221°C | 0.02g | 2.1 × 10²¹ kg | 2,174,170 km | | U4-V3J IX - Moon 10 | 1,230 km | -221°C | 0.04g | 8.2 × 10²¹ kg | 2,399,520 km | | U4-V3J IX - Moon 11 | 1,660 km | -221°C | 0.06g | 2.3 × 10²² kg | 3,264,680 km | | U4-V3J IX - Moon 12 | 680 km | -221°C | 0.02g | 1.1 × 10²¹ kg | 3,704,110 km | | U4-V3J IX - Moon 13 | 1,810 km | -221°C | 0.06g | 3.1 × 10²² kg | 4,231,460 km | | U4-V3J IX - Moon 14 | 590 km | -221°C | 0.01g | 6.7 × 10²⁰ kg | 5,037,440 km | | U4-V3J IX - Moon 15 | 1,950 km | -221°C | 0.07g | 4.0 × 10²² kg | 5,531,950 km | | U4-V3J IX - Moon 16 | 2,870 km | -221°C | 0.12g | 1.5 × 10²³ kg | 8,018,840 km | | U4-V3J IX - Moon 17 | 2,390 km | -221°C | 0.1g | 8.1 × 10²² kg | 10,675,300 km | | U4-V3J IX - Moon 18 | 2,090 km | -221°C | 0.08g | 5.0 × 10²² kg | 12,830,401 km | | U4-V3J IX - Moon 19 | 2,110 km | -221°C | 0.08g | 5.2 × 10²² kg | 16,517,900 km | | U4-V3J IX - Moon 20 | 570 km | -221°C | 0.01g | 5.9 × 10²⁰ kg | 26,663,399 km |
|
| U4-V3J X |  Ice | 3 | 12,260 km | -19°C | 1.06g | 34.774 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| U4-V3J X - Moon 1 | 270 km | -237°C | 0g | 3.8 × 10¹⁹ kg | 257,723 km | | U4-V3J X - Moon 2 | 1,890 km | -237°C | 0.05g | 2.9 × 10²² kg | 3,131,890 km | | U4-V3J X - Moon 3 | 2,930 km | -237°C | 0.1g | 1.3 × 10²³ kg | 19,354,401 km |
|