| J155838 I |  Lava | 0 | 1,660 km | 1077°C | 0.16g | 0.342 AU |
| J155838 II |  Barren | 0 | 2,970 km | -24°C | 0.35g | 0.613 AU |
| J155838 III |  Storm | 1 | 5,260 km | -85°C | 0.61g | 1.071 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J155838 III - Moon 1 | 290 km | -85°C | 0.01g | 1.2 × 10²⁰ kg | 160,260,751 km |
|
| J155838 IV | Lava | 1 | 5,090 km | 1082°C | 0.48g | 2.097 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J155838 IV - Moon 1 | 110 km | -138°C | 0g | 4.4 × 10¹⁸ kg | 313,677,677 km |
|
| J155838 V |  Plasma | 1 | 6,950 km | -162°C | 0.67g | 3.081 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J155838 V - Moon 1 | 830 km | -162°C | 0.03g | 3.3 × 10²¹ kg | 460,902,171 km |
|
| J155838 VI | Barren | 2 | 4,180 km | 7°C | 0.63g | 4.482 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J155838 VI - Moon 1 | 150 km | -181°C | 0g | 8.6 × 10¹⁸ kg | 670,552,752 km | | J155838 VI - Moon 2 | 440 km | -181°C | 0.01g | 3.5 × 10²⁰ kg | 670,552,752 km |
|
| J155838 VII |  Gas | 2 | 12,890 km | -194°C | 0.8g | 6.008 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J155838 VII - Moon 1 | 250 km | -194°C | 0g | 4.4 × 10¹⁹ kg | 898,754,806 km | | J155838 VII - Moon 2 | 1,210 km | -194°C | 0.05g | 9.9 × 10²¹ kg | 898,754,806 km |
|
| J155838 VIII | Gas | 5 | 13,650 km | -223°C | 0.51g | 14.846 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J155838 VIII - Moon 1 | 140 km | -223°C | 0g | 5.2 × 10¹⁸ kg | 2,220,919,095 km | | J155838 VIII - Moon 2 | 290 km | -223°C | 0g | 6.1 × 10¹⁹ kg | 2,220,919,095 km | | J155838 VIII - Moon 3 | 1,600 km | -223°C | 0.05g | 2.0 × 10²² kg | 2,220,919,095 km | | J155838 VIII - Moon 4 | 2,660 km | -223°C | 0.11g | 1.1 × 10²³ kg | 2,220,919,095 km | | J155838 VIII - Moon 5 | 1,600 km | -223°C | 0.05g | 2.0 × 10²² kg | 2,220,919,095 km |
|