| J212159 I |  Barren | 0 | 2,090 km | -55°C | 0.18g | 0.287 AU |
| J212159 II | Barren | 1 | 3,770 km | -131°C | 0.19g | 0.674 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J212159 II - Moon 1 | 130 km | -131°C | 0g | 7.0 × 10¹⁸ kg | 100,770,210 km |
|
| J212159 III | Barren | 1 | 5,310 km | 19°C | 0.76g | 1.134 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J212159 III - Moon 1 | 220 km | -163°C | 0g | 3.7 × 10¹⁹ kg | 169,652,027 km |
|
| J212159 IV |  Temperate | 2 | 10,890 km | 6°C | 1.35g | 2.14 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J212159 IV - Moon 1 | 1,020 km | -193°C | 0.04g | 5.5 × 10²¹ kg | 320,107,676 km | | J212159 IV - Moon 2 | 340 km | -193°C | 0.01g | 1.4 × 10²⁰ kg | 320,107,676 km |
|
| J212159 V |  Oceanic | 2 | 8,460 km | 15°C | 1.43g | 3.418 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J212159 V - Moon 1 | 300 km | -210°C | 0.01g | 7.6 × 10¹⁹ kg | 511,356,699 km | | J212159 V - Moon 2 | 1,120 km | -210°C | 0.04g | 6.7 × 10²¹ kg | 511,356,699 km |
|
| J212159 VI |  Gas | 8 | 18,220 km | -222°C | 1.25g | 5.254 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J212159 VI - Moon 1 | 150 km | -222°C | 0g | 6.0 × 10¹⁸ kg | 785,967,940 km | | J212159 VI - Moon 2 | 210 km | -222°C | 0g | 2.0 × 10¹⁹ kg | 785,967,940 km | | J212159 VI - Moon 3 | 400 km | -222°C | 0.01g | 1.8 × 10²⁰ kg | 785,967,940 km | | J212159 VI - Moon 4 | 450 km | -222°C | 0.01g | 2.7 × 10²⁰ kg | 785,967,940 km | | J212159 VI - Moon 5 | 1,270 km | -222°C | 0.04g | 9.1 × 10²¹ kg | 785,967,940 km | | J212159 VI - Moon 6 | 740 km | -222°C | 0.02g | 1.4 × 10²¹ kg | 785,967,940 km | | J212159 VI - Moon 7 | 1,410 km | -222°C | 0.04g | 1.3 × 10²² kg | 785,967,940 km | | J212159 VI - Moon 8 | 2,030 km | -222°C | 0.07g | 4.5 × 10²² kg | 785,967,940 km |
|
| J212159 VII | Gas | 6 | 22,840 km | -239°C | 0.84g | 11.443 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J212159 VII - Moon 1 | 250 km | -239°C | 0g | 2.7 × 10¹⁹ kg | 1,711,909,765 km | | J212159 VII - Moon 2 | 370 km | -239°C | 0.01g | 1.1 × 10²⁰ kg | 1,711,909,765 km | | J212159 VII - Moon 3 | 640 km | -239°C | 0.01g | 7.2 × 10²⁰ kg | 1,711,909,765 km | | J212159 VII - Moon 4 | 1,330 km | -239°C | 0.03g | 8.6 × 10²¹ kg | 1,711,909,765 km | | J212159 VII - Moon 5 | 1,370 km | -239°C | 0.03g | 9.5 × 10²¹ kg | 1,711,909,765 km | | J212159 VII - Moon 6 | 170 km | -239°C | 0g | 7.6 × 10¹⁸ kg | 1,711,909,765 km |
|
| J212159 VIII | Oceanic | 3 | 3,940 km | 81°C | 0.27g | 17.103 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J212159 VIII - Moon 1 | 220 km | -245°C | 0g | 1.7 × 10¹⁹ kg | 2,558,642,094 km | | J212159 VIII - Moon 2 | 260 km | -245°C | 0g | 3.0 × 10¹⁹ kg | 2,558,642,094 km | | J212159 VIII - Moon 3 | 910 km | -245°C | 0.02g | 2.1 × 10²¹ kg | 2,558,642,094 km |
|