| J121952 I | Barren | 0 | 1,930 km | -67°C | 0.22g | 0.261 AU |
| J121952 II | Barren | 0 | 2,850 km | -124°C | 0.34g | 0.512 AU |
| J121952 III | Temperate | 1 | 6,650 km | 11°C | 0.62g | 0.934 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J121952 III - Moon 1 | 500 km | -164°C | 0.02g | 5.8 × 10²⁰ kg | 139,755,045 km |
|
| J121952 IV | Gas | 20 | 39,910 km | -225°C | 1.76g | 4.751 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J121952 IV - Moon 1 | 140 km | -225°C | 0g | 5.7 × 10¹⁸ kg | 710,684,836 km | | J121952 IV - Moon 2 | 150 km | -225°C | 0g | 6.4 × 10¹⁸ kg | 710,684,836 km | | J121952 IV - Moon 3 | 210 km | -225°C | 0g | 2.0 × 10¹⁹ kg | 710,684,836 km | | J121952 IV - Moon 4 | 230 km | -225°C | 0g | 2.6 × 10¹⁹ kg | 710,684,836 km | | J121952 IV - Moon 5 | 200 km | -225°C | 0g | 1.6 × 10¹⁹ kg | 710,684,836 km | | J121952 IV - Moon 6 | 360 km | -225°C | 0.01g | 1.2 × 10²⁰ kg | 710,684,836 km | | J121952 IV - Moon 7 | 620 km | -225°C | 0.01g | 7.6 × 10²⁰ kg | 710,684,836 km | | J121952 IV - Moon 8 | 160 km | -225°C | 0g | 7.3 × 10¹⁸ kg | 710,684,836 km | | J121952 IV - Moon 9 | 310 km | -225°C | 0g | 7.1 × 10¹⁹ kg | 710,684,836 km | | J121952 IV - Moon 10 | 170 km | -225°C | 0g | 9.1 × 10¹⁸ kg | 710,684,836 km | | J121952 IV - Moon 11 | 680 km | -225°C | 0.02g | 1.1 × 10²¹ kg | 710,684,836 km | | J121952 IV - Moon 12 | 290 km | -225°C | 0g | 5.9 × 10¹⁹ kg | 710,684,836 km | | J121952 IV - Moon 13 | 780 km | -225°C | 0.02g | 1.7 × 10²¹ kg | 710,684,836 km | | J121952 IV - Moon 14 | 620 km | -225°C | 0.01g | 7.5 × 10²⁰ kg | 710,684,836 km | | J121952 IV - Moon 15 | 1,050 km | -225°C | 0.03g | 4.5 × 10²¹ kg | 710,684,836 km | | J121952 IV - Moon 16 | 1,330 km | -225°C | 0.04g | 1.0 × 10²² kg | 710,684,836 km | | J121952 IV - Moon 17 | 1,330 km | -225°C | 0.04g | 1.0 × 10²² kg | 710,684,836 km | | J121952 IV - Moon 18 | 1,370 km | -225°C | 0.04g | 1.2 × 10²² kg | 710,684,836 km | | J121952 IV - Moon 19 | 950 km | -225°C | 0.02g | 3.3 × 10²¹ kg | 710,684,836 km | | J121952 IV - Moon 20 | 140 km | -225°C | 0g | 5.2 × 10¹⁸ kg | 710,684,836 km |
|
| J121952 V | Gas | 13 | 20,090 km | -240°C | 1.2g | 9.784 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J121952 V - Moon 1 | 170 km | -240°C | 0g | 8.5 × 10¹⁸ kg | 1,463,603,560 km | | J121952 V - Moon 2 | 210 km | -240°C | 0g | 1.6 × 10¹⁹ kg | 1,463,603,560 km | | J121952 V - Moon 3 | 410 km | -240°C | 0.01g | 1.5 × 10²⁰ kg | 1,463,603,560 km | | J121952 V - Moon 4 | 560 km | -240°C | 0.01g | 4.4 × 10²⁰ kg | 1,463,603,560 km | | J121952 V - Moon 5 | 210 km | -240°C | 0g | 1.6 × 10¹⁹ kg | 1,463,603,560 km | | J121952 V - Moon 6 | 800 km | -240°C | 0.02g | 1.5 × 10²¹ kg | 1,463,603,560 km | | J121952 V - Moon 7 | 230 km | -240°C | 0g | 2.2 × 10¹⁹ kg | 1,463,603,560 km | | J121952 V - Moon 8 | 1,010 km | -240°C | 0.02g | 3.2 × 10²¹ kg | 1,463,603,560 km | | J121952 V - Moon 9 | 1,230 km | -240°C | 0.03g | 6.5 × 10²¹ kg | 1,463,603,560 km | | J121952 V - Moon 10 | 520 km | -240°C | 0.01g | 3.3 × 10²⁰ kg | 1,463,603,560 km | | J121952 V - Moon 11 | 2,290 km | -240°C | 0.07g | 5.3 × 10²² kg | 1,463,603,560 km | | J121952 V - Moon 12 | 2,490 km | -240°C | 0.08g | 7.1 × 10²² kg | 1,463,603,560 km | | J121952 V - Moon 13 | 2,060 km | -240°C | 0.06g | 3.7 × 10²² kg | 1,463,603,560 km |
|
| J121952 VI | Ice | 2 | 10,620 km | -19°C | 1.01g | 20.521 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J121952 VI - Moon 1 | 370 km | -250°C | 0g | 8.6 × 10¹⁹ kg | 3,069,942,956 km | | J121952 VI - Moon 2 | 1,840 km | -250°C | 0.04g | 2.1 × 10²² kg | 3,069,942,956 km |
|