| J204815 I |  Lava | 1 | 2,980 km | 573°C | 0.52g | 0.73 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J204815 I - Moon 1 | 120 km | -126°C | 0g | 5.9 × 10¹⁸ kg | 109,232,366 km |
|
| J204815 II |  Barren | 0 | 4,350 km | -172°C | 0.65g | 1.539 AU |
| J204815 III |  Temperate | 1 | 5,490 km | 17°C | 0.79g | 2.44 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J204815 III - Moon 1 | 430 km | -193°C | 0.01g | 2.9 × 10²⁰ kg | 365,037,584 km |
|
| J204815 IV |  Gas | 3 | 13,500 km | -218°C | 0.82g | 5.181 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J204815 IV - Moon 1 | 130 km | -218°C | 0g | 4.6 × 10¹⁸ kg | 775,074,939 km | | J204815 IV - Moon 2 | 820 km | -218°C | 0.02g | 2.1 × 10²¹ kg | 775,074,939 km | | J204815 IV - Moon 3 | 1,460 km | -218°C | 0.05g | 1.5 × 10²² kg | 775,074,939 km |
|
| J204815 V | Barren | 3 | 6,010 km | 23°C | 0.84g | 10.187 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J204815 V - Moon 1 | 180 km | -234°C | 0g | 9.8 × 10¹⁸ kg | 1,523,942,818 km | | J204815 V - Moon 2 | 330 km | -234°C | 0g | 8.3 × 10¹⁹ kg | 1,523,942,818 km | | J204815 V - Moon 3 | 1,130 km | -234°C | 0.03g | 5.3 × 10²¹ kg | 1,523,942,818 km |
|