| J154321 I |  Temperate | 1 | 4,170 km | 33°C | 0.69g | 0.859 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J154321 I - Moon 1 | 120 km | -114°C | 0g | 5.8 × 10¹⁸ kg | 128,518,595 km |
|
| J154321 II |  Storm | 1 | 3,950 km | -155°C | 0.6g | 1.562 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J154321 II - Moon 1 | 230 km | -155°C | 0.01g | 4.3 × 10¹⁹ kg | 233,635,742 km |
|
| J154321 III | Temperate | 1 | 4,590 km | 34°C | 0.4g | 2.56 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J154321 III - Moon 1 | 390 km | -181°C | 0.01g | 2.3 × 10²⁰ kg | 382,923,833 km |
|
| J154321 IV |  Lava | 1 | 6,740 km | 589°C | 0.78g | 3.641 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J154321 IV - Moon 1 | 830 km | -196°C | 0.03g | 2.7 × 10²¹ kg | 544,615,465 km |
|
| J154321 V |  Barren | 1 | 5,510 km | 22°C | 0.69g | 5.474 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J154321 V - Moon 1 | 720 km | -210°C | 0.02g | 1.5 × 10²¹ kg | 818,845,123 km |
|
| J154321 VI | Barren | 1 | 7,570 km | 74°C | 0.85g | 10.125 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J154321 VI - Moon 1 | 1,090 km | -227°C | 0.03g | 5.2 × 10²¹ kg | 1,514,639,983 km |
|