| 16-31U I |  Barren | 0 | 1,870 km | -61°C | 0.16g | 0.185 AU |
| 16-31U II |  Storm | 0 | 3,860 km | -138°C | 0.67g | 0.459 AU |
| 16-31U III | Barren | 0 | 2,550 km | -147°C | 0.28g | 0.519 AU |
| 16-31U IV | Barren | 0 | 2,120 km | -160°C | 0.2g | 0.652 AU |
| 16-31U V | Barren | 1 | 6,840 km | 8°C | 0.76g | 0.96 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 16-31U V - Moon 1 | 830 km | -180°C | 0.03g | 3.0 × 10²¹ kg | 228,582 km |
|
| 16-31U VI | Storm | 3 | 12,490 km | 22°C | 0.76g | 1.93 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 16-31U VI - Moon 1 | 230 km | -207°C | 0g | 3.1 × 10¹⁹ kg | 87,822 km | | 16-31U VI - Moon 2 | 570 km | -207°C | 0.01g | 6.9 × 10²⁰ kg | 261,491 km | | 16-31U VI - Moon 3 | 1,180 km | -207°C | 0.04g | 8.1 × 10²¹ kg | 981,714 km |
|
| 16-31U VII |  Gas | 18 | 34,550 km | -222°C | 2.33g | 3.171 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 16-31U VII - Moon 1 | 240 km | -222°C | 0g | 3.0 × 10¹⁹ kg | 123,367 km | | 16-31U VII - Moon 2 | 130 km | -222°C | 0g | 4.1 × 10¹⁸ kg | 151,248 km | | 16-31U VII - Moon 3 | 410 km | -222°C | 0.01g | 1.9 × 10²⁰ kg | 166,372 km | | 16-31U VII - Moon 4 | 370 km | -222°C | 0.01g | 1.4 × 10²⁰ kg | 209,223 km | | 16-31U VII - Moon 5 | 190 km | -222°C | 0g | 1.5 × 10¹⁹ kg | 232,399 km | | 16-31U VII - Moon 6 | 600 km | -222°C | 0.01g | 7.1 × 10²⁰ kg | 299,451 km | | 16-31U VII - Moon 7 | 370 km | -222°C | 0.01g | 1.4 × 10²⁰ kg | 343,308 km | | 16-31U VII - Moon 8 | 550 km | -222°C | 0.01g | 5.3 × 10²⁰ kg | 365,415 km | | 16-31U VII - Moon 9 | 830 km | -222°C | 0.02g | 2.1 × 10²¹ kg | 478,048 km | | 16-31U VII - Moon 10 | 770 km | -222°C | 0.02g | 1.7 × 10²¹ kg | 613,579 km | | 16-31U VII - Moon 11 | 410 km | -222°C | 0.01g | 2.0 × 10²⁰ kg | 673,288 km | | 16-31U VII - Moon 12 | 240 km | -222°C | 0g | 3.0 × 10¹⁹ kg | 712,739 km | | 16-31U VII - Moon 13 | 1,620 km | -222°C | 0.05g | 2.1 × 10²² kg | 943,527 km | | 16-31U VII - Moon 14 | 1,530 km | -222°C | 0.05g | 1.7 × 10²² kg | 1,226,290 km | | 16-31U VII - Moon 15 | 1,910 km | -222°C | 0.07g | 3.6 × 10²² kg | 1,710,920 km | | 16-31U VII - Moon 16 | 2,170 km | -222°C | 0.08g | 5.7 × 10²² kg | 2,420,790 km | | 16-31U VII - Moon 17 | 1,430 km | -222°C | 0.05g | 1.4 × 10²² kg | 3,416,770 km | | 16-31U VII - Moon 18 | 1,010 km | -222°C | 0.03g | 4.2 × 10²¹ kg | 4,869,270 km |
|
| 16-31U VIII |  Oceanic | 1 | 4,120 km | 81°C | 0.38g | 5.93 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 16-31U VIII - Moon 1 | 440 km | -236°C | 0.01g | 2.1 × 10²⁰ kg | 323,740 km |
|
| 16-31U IX | Gas | 20 | 54,960 km | -247°C | 0.75g | 12.541 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| 16-31U IX - Moon 1 | 280 km | -247°C | 0g | 3.5 × 10¹⁹ kg | 219,519 km | | 16-31U IX - Moon 2 | 330 km | -247°C | 0g | 6.3 × 10¹⁹ kg | 263,600 km | | 16-31U IX - Moon 3 | 420 km | -247°C | 0.01g | 1.4 × 10²⁰ kg | 299,883 km | | 16-31U IX - Moon 4 | 340 km | -247°C | 0g | 6.6 × 10¹⁹ kg | 337,967 km | | 16-31U IX - Moon 5 | 750 km | -247°C | 0.01g | 1.0 × 10²¹ kg | 471,065 km | | 16-31U IX - Moon 6 | 750 km | -247°C | 0.01g | 1.0 × 10²¹ kg | 609,964 km | | 16-31U IX - Moon 7 | 380 km | -247°C | 0g | 9.8 × 10¹⁹ kg | 703,478 km | | 16-31U IX - Moon 8 | 340 km | -247°C | 0g | 7.1 × 10¹⁹ kg | 851,459 km | | 16-31U IX - Moon 9 | 1,650 km | -247°C | 0.04g | 1.5 × 10²² kg | 1,147,290 km | | 16-31U IX - Moon 10 | 1,680 km | -247°C | 0.04g | 1.6 × 10²² kg | 1,522,530 km | | 16-31U IX - Moon 11 | 1,230 km | -247°C | 0.02g | 5.5 × 10²¹ kg | 1,798,480 km | | 16-31U IX - Moon 12 | 780 km | -247°C | 0.01g | 1.1 × 10²¹ kg | 2,085,170 km | | 16-31U IX - Moon 13 | 1,700 km | -247°C | 0.04g | 1.7 × 10²² kg | 2,318,190 km | | 16-31U IX - Moon 14 | 2,430 km | -247°C | 0.06g | 5.6 × 10²² kg | 2,661,080 km | | 16-31U IX - Moon 15 | 3,610 km | -247°C | 0.11g | 2.2 × 10²³ kg | 3,334,440 km | | 16-31U IX - Moon 16 | 3,400 km | -247°C | 0.1g | 1.8 × 10²³ kg | 5,057,920 km | | 16-31U IX - Moon 17 | 5,340 km | -247°C | 0.2g | 8.4 × 10²³ kg | 6,474,990 km | | 16-31U IX - Moon 18 | 4,750 km | -247°C | 0.17g | 5.6 × 10²³ kg | 8,863,010 km | | 16-31U IX - Moon 19 | 5,950 km | -247°C | 0.23g | 1.2 × 10²⁴ kg | 13,962,700 km | | 16-31U IX - Moon 20 | 2,760 km | -247°C | 0.08g | 8.7 × 10²² kg | 24,304,699 km |
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