| J125721 I |  Barren | 1 | 5,360 km | 39°C | 0.6g | 0.492 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J125721 I - Moon 1 | 160 km | -94°C | 0g | 1.8 × 10¹⁹ kg | 73,600,754 km |
|
| J125721 II |  Lava | 1 | 7,630 km | 1282°C | 0.82g | 0.98 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J125721 II - Moon 1 | 880 km | -147°C | 0.04g | 4.4 × 10²¹ kg | 146,566,496 km |
|
| J125721 III |  Gas | 21 | 35,300 km | -206°C | 1.89g | 3.477 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J125721 III - Moon 1 | 220 km | -206°C | 0g | 2.7 × 10¹⁹ kg | 520,103,625 km | | J125721 III - Moon 2 | 280 km | -206°C | 0.01g | 6.5 × 10¹⁹ kg | 520,103,625 km | | J125721 III - Moon 3 | 120 km | -206°C | 0g | 4.0 × 10¹⁸ kg | 520,103,625 km | | J125721 III - Moon 4 | 270 km | -206°C | 0g | 5.3 × 10¹⁹ kg | 520,103,625 km | | J125721 III - Moon 5 | 360 km | -206°C | 0.01g | 1.5 × 10²⁰ kg | 520,103,625 km | | J125721 III - Moon 6 | 360 km | -206°C | 0.01g | 1.5 × 10²⁰ kg | 520,103,625 km | | J125721 III - Moon 7 | 330 km | -206°C | 0.01g | 1.1 × 10²⁰ kg | 520,103,625 km | | J125721 III - Moon 8 | 370 km | -206°C | 0.01g | 1.6 × 10²⁰ kg | 520,103,625 km | | J125721 III - Moon 9 | 760 km | -206°C | 0.02g | 1.8 × 10²¹ kg | 520,103,625 km | | J125721 III - Moon 10 | 960 km | -206°C | 0.03g | 4.0 × 10²¹ kg | 520,103,625 km | | J125721 III - Moon 11 | 590 km | -206°C | 0.02g | 8.0 × 10²⁰ kg | 520,103,625 km | | J125721 III - Moon 12 | 1,240 km | -206°C | 0.04g | 9.8 × 10²¹ kg | 520,103,625 km | | J125721 III - Moon 13 | 510 km | -206°C | 0.01g | 4.7 × 10²⁰ kg | 520,103,625 km | | J125721 III - Moon 14 | 970 km | -206°C | 0.03g | 4.3 × 10²¹ kg | 520,103,625 km | | J125721 III - Moon 15 | 1,380 km | -206°C | 0.05g | 1.4 × 10²² kg | 520,103,625 km | | J125721 III - Moon 16 | 1,200 km | -206°C | 0.04g | 8.7 × 10²¹ kg | 520,103,625 km | | J125721 III - Moon 17 | 540 km | -206°C | 0.01g | 5.7 × 10²⁰ kg | 520,103,625 km | | J125721 III - Moon 18 | 2,460 km | -206°C | 0.11g | 1.0 × 10²³ kg | 520,103,625 km | | J125721 III - Moon 19 | 860 km | -206°C | 0.03g | 2.9 × 10²¹ kg | 520,103,625 km | | J125721 III - Moon 20 | 810 km | -206°C | 0.02g | 2.3 × 10²¹ kg | 520,103,625 km | | J125721 III - Moon 21 | 440 km | -206°C | 0.01g | 2.8 × 10²⁰ kg | 520,103,625 km |
|
| J125721 IV | Gas | 4 | 18,330 km | -225°C | 1.34g | 6.635 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J125721 IV - Moon 1 | 210 km | -225°C | 0g | 2.1 × 10¹⁹ kg | 992,593,379 km | | J125721 IV - Moon 2 | 330 km | -225°C | 0.01g | 8.6 × 10¹⁹ kg | 992,593,379 km | | J125721 IV - Moon 3 | 1,100 km | -225°C | 0.03g | 5.5 × 10²¹ kg | 992,593,379 km | | J125721 IV - Moon 4 | 560 km | -225°C | 0.01g | 5.4 × 10²⁰ kg | 992,593,379 km |
|
| J125721 V | Gas | 20 | 58,850 km | -241°C | 3.36g | 15.404 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J125721 V - Moon 1 | 250 km | -241°C | 0g | 2.6 × 10¹⁹ kg | 2,304,468,058 km | | J125721 V - Moon 2 | 340 km | -241°C | 0g | 7.9 × 10¹⁹ kg | 2,304,468,058 km | | J125721 V - Moon 3 | 500 km | -241°C | 0.01g | 3.0 × 10²⁰ kg | 2,304,468,058 km | | J125721 V - Moon 4 | 570 km | -241°C | 0.01g | 4.6 × 10²⁰ kg | 2,304,468,058 km | | J125721 V - Moon 5 | 870 km | -241°C | 0.02g | 1.9 × 10²¹ kg | 2,304,468,058 km | | J125721 V - Moon 6 | 200 km | -241°C | 0g | 1.4 × 10¹⁹ kg | 2,304,468,058 km | | J125721 V - Moon 7 | 1,210 km | -241°C | 0.03g | 5.9 × 10²¹ kg | 2,304,468,058 km | | J125721 V - Moon 8 | 1,360 km | -241°C | 0.03g | 8.7 × 10²¹ kg | 2,304,468,058 km | | J125721 V - Moon 9 | 1,770 km | -241°C | 0.05g | 2.2 × 10²² kg | 2,304,468,058 km | | J125721 V - Moon 10 | 710 km | -241°C | 0.01g | 9.7 × 10²⁰ kg | 2,304,468,058 km | | J125721 V - Moon 11 | 390 km | -241°C | 0.01g | 1.2 × 10²⁰ kg | 2,304,468,058 km | | J125721 V - Moon 12 | 350 km | -241°C | 0g | 8.5 × 10¹⁹ kg | 2,304,468,058 km | | J125721 V - Moon 13 | 3,870 km | -241°C | 0.14g | 3.1 × 10²³ kg | 2,304,468,058 km | | J125721 V - Moon 14 | 3,490 km | -241°C | 0.12g | 2.2 × 10²³ kg | 2,304,468,058 km | | J125721 V - Moon 15 | 4,360 km | -241°C | 0.17g | 4.7 × 10²³ kg | 2,304,468,058 km | | J125721 V - Moon 16 | 3,870 km | -241°C | 0.14g | 3.1 × 10²³ kg | 2,304,468,058 km | | J125721 V - Moon 17 | 3,070 km | -241°C | 0.1g | 1.4 × 10²³ kg | 2,304,468,058 km | | J125721 V - Moon 18 | 180 km | -241°C | 0g | 9.8 × 10¹⁸ kg | 2,304,468,058 km | | J125721 V - Moon 19 | 1,150 km | -241°C | 0.03g | 4.9 × 10²¹ kg | 2,304,468,058 km | | J125721 V - Moon 20 | 500 km | -241°C | 0.01g | 3.0 × 10²⁰ kg | 2,304,468,058 km |
|
| J125721 VI | Barren | 2 | 8,820 km | 28°C | 1.46g | 26.403 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J125721 VI - Moon 1 | 650 km | -249°C | 0.01g | 6.2 × 10²⁰ kg | 3,949,869,924 km | | J125721 VI - Moon 2 | 2,270 km | -249°C | 0.06g | 4.4 × 10²² kg | 3,949,869,924 km |
|
| J125721 VII |  Oceanic | 2 | 8,700 km | 9°C | 1.28g | 36.499 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J125721 VII - Moon 1 | 380 km | -252°C | 0g | 9.1 × 10¹⁹ kg | 5,460,206,289 km | | J125721 VII - Moon 2 | 1,380 km | -252°C | 0.03g | 7.1 × 10²¹ kg | 5,460,206,289 km |
|