| Y5J-EU I |  Plasma | 0 | 1,930 km | -45°C | 0.16g | 0.319 AU |
| Y5J-EU II |  Barren | 1 | 5,400 km | 18°C | 0.75g | 0.897 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y5J-EU II - Moon 1 | 630 km | -137°C | 0.02g | 1.5 × 10²¹ kg | 245,977 km |
|
| Y5J-EU III | Barren | 0 | 6,040 km | 19°C | 0.51g | 1.669 AU |
| Y5J-EU IV |  Temperate | 1 | 9,790 km | 2°C | 1.39g | 3.816 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y5J-EU IV - Moon 1 | 1,100 km | -207°C | 0.04g | 6.4 × 10²¹ kg | 897,576 km |
|
| Y5J-EU V | Temperate | 1 | 8,080 km | 30°C | 1.38g | 4.76 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y5J-EU V - Moon 1 | 920 km | -214°C | 0.03g | 3.3 × 10²¹ kg | 1,554,520 km |
|
| Y5J-EU VI | Barren | 1 | 3,910 km | 276°C | 0.63g | 5.974 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y5J-EU VI - Moon 1 | 180 km | -220°C | 0g | 1.3 × 10¹⁹ kg | 1,486,980 km |
|
| Y5J-EU VII | Barren | 2 | 8,170 km | 3°C | 0.8g | 7.76 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y5J-EU VII - Moon 1 | 240 km | -227°C | 0g | 3.0 × 10¹⁹ kg | 744,814 km | | Y5J-EU VII - Moon 2 | 970 km | -227°C | 0.02g | 3.4 × 10²¹ kg | 2,511,860 km |
|
| Y5J-EU VIII | Barren | 3 | 11,330 km | 37°C | 1.31g | 10.028 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Y5J-EU VIII - Moon 1 | 270 km | -232°C | 0g | 4.1 × 10¹⁹ kg | 242,803 km | | Y5J-EU VIII - Moon 2 | 920 km | -232°C | 0.02g | 2.6 × 10²¹ kg | 1,266,920 km | | Y5J-EU VIII - Moon 3 | 780 km | -232°C | 0.02g | 1.5 × 10²¹ kg | 5,233,620 km |
|