| J122721 I |  Barren | 0 | 1,850 km | -99°C | 0.13g | 0.355 AU |
| J122721 II | Barren | 0 | 2,150 km | -168°C | 0.23g | 0.976 AU |
| J122721 III |  Storm | 1 | 3,850 km | -45°C | 0.59g | 1.14 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J122721 III - Moon 1 | 290 km | -176°C | 0.01g | 8.8 × 10¹⁹ kg | 170,604,790 km |
|
| J122721 IV |  Lava | 0 | 3,610 km | 588°C | 0.65g | 1.411 AU |
| J122721 V | Barren | 0 | 3,100 km | 279°C | 0.34g | 1.661 AU |
| J122721 VI | Barren | 1 | 5,930 km | 36°C | 0.54g | 2.288 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J122721 VI - Moon 1 | 700 km | -204°C | 0.02g | 1.4 × 10²¹ kg | 342,314,189 km |
|
| J122721 VII | Storm | 0 | 4,440 km | -118°C | 0.49g | 3.405 AU |
| J122721 VIII |  Oceanic | 2 | 12,660 km | 36°C | 1.11g | 7.125 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J122721 VIII - Moon 1 | 980 km | -234°C | 0.02g | 3.2 × 10²¹ kg | 1,065,910,010 km | | J122721 VIII - Moon 2 | 880 km | -234°C | 0.02g | 2.3 × 10²¹ kg | 1,065,910,010 km |
|