| J151538 I |  Barren | 0 | 2,620 km | -140°C | 0.18g | 0.46 AU |
| J151538 II | Barren | 0 | 2,210 km | -165°C | 0.27g | 0.695 AU |
| J151538 III | Barren | 0 | 2,000 km | -173°C | 0.15g | 0.816 AU |
| J151538 IV | Barren | 0 | 4,620 km | 4°C | 0.54g | 1.096 AU |
| J151538 V |  Temperate | 1 | 6,090 km | 33°C | 1.03g | 2.126 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J151538 V - Moon 1 | 500 km | -211°C | 0.01g | 4.2 × 10²⁰ kg | 317,971,759 km |
|
| J151538 VI |  Oceanic | 1 | 7,210 km | 58°C | 0.45g | 3.308 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J151538 VI - Moon 1 | 160 km | -224°C | 0g | 7.6 × 10¹⁸ kg | 494,894,809 km |
|
| J151538 VII |  Storm | 2 | 8,800 km | 49°C | 0.53g | 5.998 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J151538 VII - Moon 1 | 290 km | -236°C | 0g | 5.2 × 10¹⁹ kg | 897,272,447 km | | J151538 VII - Moon 2 | 400 km | -236°C | 0.01g | 1.5 × 10²⁰ kg | 897,272,447 km |
|
| J151538 VIII |  Gas | 2 | 13,160 km | -245°C | 0.73g | 10.633 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J151538 VIII - Moon 1 | 190 km | -245°C | 0g | 9.6 × 10¹⁸ kg | 1,590,636,708 km | | J151538 VIII - Moon 2 | 880 km | -245°C | 0.02g | 1.8 × 10²¹ kg | 1,590,636,708 km |
|