| Efu I |  Plasma | 0 | 1,990 km | 1°C | 0.19g | 0.279 AU |
| Efu II |  Lava | 1 | 4,630 km | 742°C | 0.48g | 0.683 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Efu II - Moon 1 | 380 km | -98°C | 0.01g | 3.0 × 10²⁰ kg | 219,030 km |
|
| Efu III |  Barren | 2 | 10,560 km | 4°C | 1.1g | 1.532 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Efu III - Moon 1 | 130 km | -156°C | 0g | 6.3 × 10¹⁸ kg | 71,249 km | | Efu III - Moon 2 | 740 km | -156°C | 0.03g | 2.3 × 10²¹ kg | 629,420 km |
|
| Efu IV |  Gas | 2 | 13,030 km | -175°C | 0.91g | 2.198 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Efu IV - Moon 1 | 160 km | -175°C | 0g | 1.3 × 10¹⁹ kg | 140,945 km | | Efu IV - Moon 2 | 680 km | -175°C | 0.02g | 1.5 × 10²¹ kg | 526,215 km |
|
| Efu V | Gas | 19 | 26,190 km | -203°C | 1.38g | 4.314 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Efu V - Moon 1 | 150 km | -203°C | 0g | 8.4 × 10¹⁸ kg | 71,670 km | | Efu V - Moon 2 | 160 km | -203°C | 0g | 9.3 × 10¹⁸ kg | 115,277 km | | Efu V - Moon 3 | 240 km | -203°C | 0g | 3.5 × 10¹⁹ kg | 134,157 km | | Efu V - Moon 4 | 220 km | -203°C | 0g | 2.8 × 10¹⁹ kg | 165,402 km | | Efu V - Moon 5 | 130 km | -203°C | 0g | 5.5 × 10¹⁸ kg | 180,979 km | | Efu V - Moon 6 | 320 km | -203°C | 0.01g | 1.0 × 10²⁰ kg | 197,275 km | | Efu V - Moon 7 | 170 km | -203°C | 0g | 1.2 × 10¹⁹ kg | 218,612 km | | Efu V - Moon 8 | 350 km | -203°C | 0.01g | 1.4 × 10²⁰ kg | 244,063 km | | Efu V - Moon 9 | 230 km | -203°C | 0g | 3.3 × 10¹⁹ kg | 292,409 km | | Efu V - Moon 10 | 140 km | -203°C | 0g | 6.2 × 10¹⁸ kg | 322,780 km | | Efu V - Moon 11 | 700 km | -203°C | 0.02g | 1.4 × 10²¹ kg | 470,803 km | | Efu V - Moon 12 | 1,090 km | -203°C | 0.04g | 6.5 × 10²¹ kg | 801,381 km | | Efu V - Moon 13 | 1,120 km | -203°C | 0.04g | 7.0 × 10²¹ kg | 1,137,560 km | | Efu V - Moon 14 | 610 km | -203°C | 0.02g | 8.9 × 10²⁰ kg | 1,280,760 km | | Efu V - Moon 15 | 1,370 km | -203°C | 0.05g | 1.4 × 10²² kg | 1,734,730 km | | Efu V - Moon 16 | 1,590 km | -203°C | 0.06g | 2.3 × 10²² kg | 2,303,370 km | | Efu V - Moon 17 | 1,120 km | -203°C | 0.04g | 7.0 × 10²¹ kg | 3,377,830 km | | Efu V - Moon 18 | 380 km | -203°C | 0.01g | 1.8 × 10²⁰ kg | 4,569,880 km | | Efu V - Moon 19 | 320 km | -203°C | 0.01g | 9.9 × 10¹⁹ kg | 5,497,350 km |
|
| Efu VI | Gas | 18 | 47,440 km | -230°C | 3.14g | 11.083 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Efu VI - Moon 1 | 250 km | -230°C | 0g | 3.5 × 10¹⁹ kg | 166,736 km | | Efu VI - Moon 2 | 300 km | -230°C | 0g | 6.2 × 10¹⁹ kg | 209,585 km | | Efu VI - Moon 3 | 310 km | -230°C | 0g | 7.0 × 10¹⁹ kg | 271,648 km | | Efu VI - Moon 4 | 730 km | -230°C | 0.02g | 1.2 × 10²¹ kg | 522,715 km | | Efu VI - Moon 5 | 780 km | -230°C | 0.02g | 1.6 × 10²¹ kg | 759,739 km | | Efu VI - Moon 6 | 720 km | -230°C | 0.02g | 1.2 × 10²¹ kg | 946,946 km | | Efu VI - Moon 7 | 1,160 km | -230°C | 0.03g | 6.0 × 10²¹ kg | 1,217,200 km | | Efu VI - Moon 8 | 760 km | -230°C | 0.02g | 1.4 × 10²¹ kg | 1,479,830 km | | Efu VI - Moon 9 | 1,350 km | -230°C | 0.04g | 1.0 × 10²² kg | 1,724,950 km | | Efu VI - Moon 10 | 720 km | -230°C | 0.02g | 1.2 × 10²¹ kg | 2,105,190 km | | Efu VI - Moon 11 | 1,980 km | -230°C | 0.07g | 3.8 × 10²² kg | 2,466,020 km | | Efu VI - Moon 12 | 2,520 km | -230°C | 0.09g | 8.6 × 10²² kg | 3,739,070 km | | Efu VI - Moon 13 | 3,260 km | -230°C | 0.13g | 2.1 × 10²³ kg | 5,237,070 km | | Efu VI - Moon 14 | 2,730 km | -230°C | 0.1g | 1.1 × 10²³ kg | 7,675,830 km | | Efu VI - Moon 15 | 2,740 km | -230°C | 0.1g | 1.2 × 10²³ kg | 9,010,380 km | | Efu VI - Moon 16 | 1,730 km | -230°C | 0.05g | 2.4 × 10²² kg | 11,666,600 km | | Efu VI - Moon 17 | 1,770 km | -230°C | 0.06g | 2.6 × 10²² kg | 15,099,199 km | | Efu VI - Moon 18 | 650 km | -230°C | 0.01g | 8.6 × 10²⁰ kg | 20,628,300 km |
|
| Efu VII | Barren | 0 | 3,120 km | 391°C | 0.25g | 18.994 AU |
| Efu VIII |  Oceanic | 2 | 9,220 km | 80°C | 0.47g | 21.359 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Efu VIII - Moon 1 | 600 km | -242°C | 0.01g | 5.3 × 10²⁰ kg | 756,875 km | | Efu VIII - Moon 2 | 2,450 km | -242°C | 0.07g | 6.5 × 10²² kg | 7,202,900 km |
|
| Efu IX |  Storm | 2 | 8,520 km | -161°C | 0.23g | 28.573 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| Efu IX - Moon 1 | 890 km | -246°C | 0.02g | 1.9 × 10²¹ kg | 1,675,790 km | | Efu IX - Moon 2 | 1,850 km | -246°C | 0.05g | 2.3 × 10²² kg | 15,248,900 km |
|
