| GR-J8B I |  Storm | 1 | 4,600 km | -50°C | 0.87g | 0.484 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| GR-J8B I - Moon 1 | 110 km | 227°C | 0g | 8.2 × 10¹⁸ kg | 70,842 km |
|
| GR-J8B II |  Gas | 2 | 15,380 km | -249°C | 0.98g | 1.237 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| GR-J8B II - Moon 1 | 340 km | 40°C | 0.02g | 2.8 × 10²⁰ kg | 191,268 km | | GR-J8B II - Moon 2 | 1,120 km | 40°C | 0.09g | 1.6 × 10²² kg | 611,290 km |
|
| GR-J8B III | Gas | 21 | 34,120 km | -58°C | 1.56g | 2.608 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| GR-J8B III - Moon 1 | 230 km | -58°C | 0.01g | 6.1 × 10¹⁹ kg | 91,332 km | | GR-J8B III - Moon 2 | 220 km | -58°C | 0.01g | 5.3 × 10¹⁹ kg | 109,150 km | | GR-J8B III - Moon 3 | 170 km | -58°C | 0.01g | 2.2 × 10¹⁹ kg | 122,477 km | | GR-J8B III - Moon 4 | 140 km | -58°C | 0g | 1.3 × 10¹⁹ kg | 141,148 km | | GR-J8B III - Moon 5 | 310 km | -58°C | 0.01g | 1.7 × 10²⁰ kg | 163,571 km | | GR-J8B III - Moon 6 | 270 km | -58°C | 0.01g | 1.1 × 10²⁰ kg | 180,002 km | | GR-J8B III - Moon 7 | 100 km | -58°C | 0g | 4.3 × 10¹⁸ kg | 192,221 km | | GR-J8B III - Moon 8 | 570 km | -58°C | 0.03g | 1.3 × 10²¹ kg | 247,372 km | | GR-J8B III - Moon 9 | 680 km | -58°C | 0.04g | 2.5 × 10²¹ kg | 378,841 km | | GR-J8B III - Moon 10 | 340 km | -58°C | 0.01g | 2.3 × 10²⁰ kg | 491,918 km | | GR-J8B III - Moon 11 | 920 km | -58°C | 0.05g | 7.0 × 10²¹ kg | 587,878 km | | GR-J8B III - Moon 12 | 330 km | -58°C | 0.01g | 2.2 × 10²⁰ kg | 646,682 km | | GR-J8B III - Moon 13 | 260 km | -58°C | 0.01g | 9.1 × 10¹⁹ kg | 679,480 km | | GR-J8B III - Moon 14 | 530 km | -58°C | 0.03g | 1.1 × 10²¹ kg | 733,178 km | | GR-J8B III - Moon 15 | 620 km | -58°C | 0.03g | 1.8 × 10²¹ kg | 788,165 km | | GR-J8B III - Moon 16 | 1,300 km | -58°C | 0.09g | 2.2 × 10²² kg | 840,825 km | | GR-J8B III - Moon 17 | 1,520 km | -58°C | 0.11g | 3.8 × 10²² kg | 1,233,060 km | | GR-J8B III - Moon 18 | 550 km | -58°C | 0.03g | 1.2 × 10²¹ kg | 1,656,230 km | | GR-J8B III - Moon 19 | 810 km | -58°C | 0.05g | 4.5 × 10²¹ kg | 2,100,550 km | | GR-J8B III - Moon 20 | 120 km | -58°C | 0g | 6.6 × 10¹⁸ kg | 2,408,040 km | | GR-J8B III - Moon 21 | 490 km | -58°C | 0.02g | 8.3 × 10²⁰ kg | 2,876,130 km |
|
| GR-J8B IV | Gas | 16 | 34,040 km | -102°C | 1.62g | 4.112 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| GR-J8B IV - Moon 1 | 190 km | -102°C | 0.01g | 3.0 × 10¹⁹ kg | 71,425 km | | GR-J8B IV - Moon 2 | 290 km | -102°C | 0.01g | 1.2 × 10²⁰ kg | 104,725 km | | GR-J8B IV - Moon 3 | 360 km | -102°C | 0.01g | 2.5 × 10²⁰ kg | 158,083 km | | GR-J8B IV - Moon 4 | 140 km | -102°C | 0g | 1.1 × 10¹⁹ kg | 165,874 km | | GR-J8B IV - Moon 5 | 450 km | -102°C | 0.02g | 5.2 × 10²⁰ kg | 200,995 km | | GR-J8B IV - Moon 6 | 780 km | -102°C | 0.04g | 3.5 × 10²¹ kg | 323,645 km | | GR-J8B IV - Moon 7 | 910 km | -102°C | 0.05g | 5.9 × 10²¹ kg | 420,070 km | | GR-J8B IV - Moon 8 | 480 km | -102°C | 0.02g | 6.4 × 10²⁰ kg | 507,808 km | | GR-J8B IV - Moon 9 | 400 km | -102°C | 0.01g | 3.6 × 10²⁰ kg | 547,458 km | | GR-J8B IV - Moon 10 | 950 km | -102°C | 0.05g | 6.8 × 10²¹ kg | 576,133 km | | GR-J8B IV - Moon 11 | 1,430 km | -102°C | 0.09g | 2.7 × 10²² kg | 782,862 km | | GR-J8B IV - Moon 12 | 1,890 km | -102°C | 0.13g | 7.1 × 10²² kg | 1,242,630 km | | GR-J8B IV - Moon 13 | 1,760 km | -102°C | 0.12g | 5.5 × 10²² kg | 1,730,180 km | | GR-J8B IV - Moon 14 | 2,010 km | -102°C | 0.15g | 8.7 × 10²² kg | 2,232,480 km | | GR-J8B IV - Moon 15 | 1,310 km | -102°C | 0.08g | 2.0 × 10²² kg | 3,198,320 km | | GR-J8B IV - Moon 16 | 930 km | -102°C | 0.05g | 6.2 × 10²¹ kg | 4,497,580 km |
|
| GR-J8B V | Gas | 23 | 77,140 km | -162°C | 2.07g | 9.699 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| GR-J8B V - Moon 1 | 190 km | -162°C | 0g | 2.1 × 10¹⁹ kg | 161,340 km | | GR-J8B V - Moon 2 | 280 km | -162°C | 0.01g | 8.7 × 10¹⁹ kg | 237,229 km | | GR-J8B V - Moon 3 | 230 km | -162°C | 0.01g | 4.3 × 10¹⁹ kg | 287,642 km | | GR-J8B V - Moon 4 | 280 km | -162°C | 0.01g | 8.7 × 10¹⁹ kg | 351,654 km | | GR-J8B V - Moon 5 | 510 km | -162°C | 0.02g | 6.3 × 10²⁰ kg | 515,708 km | | GR-J8B V - Moon 6 | 310 km | -162°C | 0.01g | 1.2 × 10²⁰ kg | 748,925 km | | GR-J8B V - Moon 7 | 720 km | -162°C | 0.03g | 2.0 × 10²¹ kg | 840,897 km | | GR-J8B V - Moon 8 | 820 km | -162°C | 0.03g | 3.2 × 10²¹ kg | 1,098,260 km | | GR-J8B V - Moon 9 | 670 km | -162°C | 0.02g | 1.6 × 10²¹ kg | 1,351,610 km | | GR-J8B V - Moon 10 | 1,060 km | -162°C | 0.05g | 7.8 × 10²¹ kg | 1,428,990 km | | GR-J8B V - Moon 11 | 920 km | -162°C | 0.04g | 4.8 × 10²¹ kg | 1,755,320 km | | GR-J8B V - Moon 12 | 1,740 km | -162°C | 0.09g | 4.2 × 10²² kg | 2,385,100 km | | GR-J8B V - Moon 13 | 1,420 km | -162°C | 0.07g | 2.1 × 10²² kg | 2,927,710 km | | GR-J8B V - Moon 14 | 2,080 km | -162°C | 0.12g | 7.6 × 10²² kg | 4,126,050 km | | GR-J8B V - Moon 15 | 1,870 km | -162°C | 0.1g | 5.4 × 10²² kg | 4,953,440 km | | GR-J8B V - Moon 16 | 1,030 km | -162°C | 0.04g | 7.0 × 10²¹ kg | 5,523,530 km | | GR-J8B V - Moon 17 | 2,310 km | -162°C | 0.14g | 1.1 × 10²³ kg | 6,266,020 km | | GR-J8B V - Moon 18 | 620 km | -162°C | 0.02g | 1.3 × 10²¹ kg | 7,242,480 km | | GR-J8B V - Moon 19 | 2,430 km | -162°C | 0.15g | 1.3 × 10²³ kg | 9,183,220 km | | GR-J8B V - Moon 20 | 580 km | -162°C | 0.02g | 1.0 × 10²¹ kg | 10,625,200 km | | GR-J8B V - Moon 21 | 390 km | -162°C | 0.01g | 2.5 × 10²⁰ kg | 12,732,300 km | | GR-J8B V - Moon 22 | 1,260 km | -162°C | 0.06g | 1.4 × 10²² kg | 14,745,600 km | | GR-J8B V - Moon 23 | 430 km | -162°C | 0.01g | 3.6 × 10²⁰ kg | 19,755,700 km |
|
| GR-J8B VI |  Ice | 21 | 77,610 km | -216°C | 2.3g | 37.036 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| GR-J8B VI - Moon 1 | 170 km | -216°C | 0g | 1.1 × 10¹⁹ kg | 328,201 km | | GR-J8B VI - Moon 2 | 230 km | -216°C | 0g | 3.0 × 10¹⁹ kg | 401,873 km | | GR-J8B VI - Moon 3 | 230 km | -216°C | 0g | 2.9 × 10¹⁹ kg | 505,262 km | | GR-J8B VI - Moon 4 | 300 km | -216°C | 0.01g | 7.4 × 10¹⁹ kg | 609,542 km | | GR-J8B VI - Moon 5 | 620 km | -216°C | 0.01g | 8.4 × 10²⁰ kg | 1,048,910 km | | GR-J8B VI - Moon 6 | 350 km | -216°C | 0.01g | 1.2 × 10²⁰ kg | 1,298,260 km | | GR-J8B VI - Moon 7 | 370 km | -216°C | 0.01g | 1.4 × 10²⁰ kg | 1,489,980 km | | GR-J8B VI - Moon 8 | 630 km | -216°C | 0.01g | 8.7 × 10²⁰ kg | 1,878,680 km | | GR-J8B VI - Moon 9 | 850 km | -216°C | 0.02g | 2.5 × 10²¹ kg | 2,239,180 km | | GR-J8B VI - Moon 10 | 1,100 km | -216°C | 0.03g | 6.0 × 10²¹ kg | 2,976,700 km | | GR-J8B VI - Moon 11 | 250 km | -216°C | 0g | 3.9 × 10¹⁹ kg | 3,543,750 km | | GR-J8B VI - Moon 12 | 1,300 km | -216°C | 0.04g | 1.0 × 10²² kg | 4,193,280 km | | GR-J8B VI - Moon 13 | 1,860 km | -216°C | 0.07g | 3.6 × 10²² kg | 5,678,120 km | | GR-J8B VI - Moon 14 | 1,780 km | -216°C | 0.07g | 3.1 × 10²² kg | 7,862,910 km | | GR-J8B VI - Moon 15 | 1,740 km | -216°C | 0.06g | 2.9 × 10²² kg | 9,768,660 km | | GR-J8B VI - Moon 16 | 2,910 km | -216°C | 0.13g | 1.6 × 10²³ kg | 11,725,400 km | | GR-J8B VI - Moon 17 | 4,830 km | -216°C | 0.27g | 9.3 × 10²³ kg | 21,550,000 km | | GR-J8B VI - Moon 18 | 3,620 km | -216°C | 0.18g | 3.5 × 10²³ kg | 47,801,299 km | | GR-J8B VI - Moon 19 | 1,940 km | -216°C | 0.07g | 4.1 × 10²² kg | 61,401,399 km | | GR-J8B VI - Moon 20 | 840 km | -216°C | 0.02g | 2.4 × 10²¹ kg | 79,074,697 km | | GR-J8B VI - Moon 21 | 340 km | -216°C | 0.01g | 1.1 × 10²⁰ kg | 88,314,397 km |
|