| RXTY-4 I |  Barren | 0 | 2,010 km | -64°C | 0.16g | 0.27 AU |
| RXTY-4 II | Barren | 0 | 4,340 km | -134°C | 0.27g | 0.608 AU |
| RXTY-4 III |  Lava | 1 | 4,940 km | 1049°C | 0.75g | 1.055 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| RXTY-4 III - Moon 1 | 500 km | -168°C | 0.02g | 5.8 × 10²⁰ kg | 357,560 km |
|
| RXTY-4 IV |  Temperate | 1 | 5,370 km | 21°C | 0.7g | 1.588 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| RXTY-4 IV - Moon 1 | 450 km | -187°C | 0.01g | 3.6 × 10²⁰ kg | 277,087 km |
|
| RXTY-4 V | Temperate | 1 | 9,900 km | 38°C | 1.82g | 2.136 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| RXTY-4 V - Moon 1 | 180 km | -199°C | 0g | 1.5 × 10¹⁹ kg | 603,249 km |
|
| RXTY-4 VI | Temperate | 2 | 4,190 km | 33°C | 0.24g | 2.738 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| RXTY-4 VI - Moon 1 | 140 km | -208°C | 0g | 6.7 × 10¹⁸ kg | 192,444 km | | RXTY-4 VI - Moon 2 | 420 km | -208°C | 0.01g | 2.3 × 10²⁰ kg | 436,185 km |
|
| RXTY-4 VII |  Gas | 5 | 18,390 km | -219°C | 1.38g | 3.943 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| RXTY-4 VII - Moon 1 | 140 km | -219°C | 0g | 5.1 × 10¹⁸ kg | 325,791 km | | RXTY-4 VII - Moon 2 | 220 km | -219°C | 0g | 2.4 × 10¹⁹ kg | 544,695 km | | RXTY-4 VII - Moon 3 | 290 km | -219°C | 0g | 5.9 × 10¹⁹ kg | 989,806 km | | RXTY-4 VII - Moon 4 | 290 km | -219°C | 0g | 6.2 × 10¹⁹ kg | 1,228,950 km | | RXTY-4 VII - Moon 5 | 130 km | -219°C | 0g | 4.5 × 10¹⁸ kg | 2,771,420 km |
|
| RXTY-4 VIII | Gas | 18 | 25,180 km | -233°C | 1.83g | 7.321 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| RXTY-4 VIII - Moon 1 | 150 km | -233°C | 0g | 5.6 × 10¹⁸ kg | 90,660 km | | RXTY-4 VIII - Moon 2 | 170 km | -233°C | 0g | 8.7 × 10¹⁸ kg | 111,186 km | | RXTY-4 VIII - Moon 3 | 240 km | -233°C | 0g | 2.7 × 10¹⁹ kg | 164,600 km | | RXTY-4 VIII - Moon 4 | 170 km | -233°C | 0g | 8.7 × 10¹⁸ kg | 192,594 km | | RXTY-4 VIII - Moon 5 | 210 km | -233°C | 0g | 1.8 × 10¹⁹ kg | 246,950 km | | RXTY-4 VIII - Moon 6 | 390 km | -233°C | 0.01g | 1.4 × 10²⁰ kg | 281,472 km | | RXTY-4 VIII - Moon 7 | 350 km | -233°C | 0.01g | 9.9 × 10¹⁹ kg | 370,563 km | | RXTY-4 VIII - Moon 8 | 650 km | -233°C | 0.01g | 7.9 × 10²⁰ kg | 447,495 km | | RXTY-4 VIII - Moon 9 | 680 km | -233°C | 0.01g | 9.3 × 10²⁰ kg | 622,046 km | | RXTY-4 VIII - Moon 10 | 1,050 km | -233°C | 0.03g | 4.1 × 10²¹ kg | 900,459 km | | RXTY-4 VIII - Moon 11 | 530 km | -233°C | 0.01g | 4.0 × 10²⁰ kg | 1,112,640 km | | RXTY-4 VIII - Moon 12 | 1,740 km | -233°C | 0.05g | 2.3 × 10²² kg | 1,595,830 km | | RXTY-4 VIII - Moon 13 | 1,530 km | -233°C | 0.04g | 1.5 × 10²² kg | 2,373,610 km | | RXTY-4 VIII - Moon 14 | 1,860 km | -233°C | 0.06g | 2.9 × 10²² kg | 2,861,050 km | | RXTY-4 VIII - Moon 15 | 910 km | -233°C | 0.02g | 2.6 × 10²¹ kg | 3,421,270 km | | RXTY-4 VIII - Moon 16 | 1,970 km | -233°C | 0.06g | 3.5 × 10²² kg | 4,530,710 km | | RXTY-4 VIII - Moon 17 | 200 km | -233°C | 0g | 1.5 × 10¹⁹ kg | 6,129,490 km | | RXTY-4 VIII - Moon 18 | 290 km | -233°C | 0g | 5.4 × 10¹⁹ kg | 8,356,560 km |
|
| RXTY-4 IX | Gas | 8 | 15,470 km | -244°C | 0.68g | 14.017 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| RXTY-4 IX - Moon 1 | 210 km | -244°C | 0g | 1.5 × 10¹⁹ kg | 113,922 km | | RXTY-4 IX - Moon 2 | 220 km | -244°C | 0g | 1.6 × 10¹⁹ kg | 258,712 km | | RXTY-4 IX - Moon 3 | 540 km | -244°C | 0.01g | 3.5 × 10²⁰ kg | 452,426 km | | RXTY-4 IX - Moon 4 | 720 km | -244°C | 0.01g | 9.6 × 10²⁰ kg | 808,641 km | | RXTY-4 IX - Moon 5 | 790 km | -244°C | 0.01g | 1.3 × 10²¹ kg | 1,309,570 km | | RXTY-4 IX - Moon 6 | 720 km | -244°C | 0.01g | 9.6 × 10²⁰ kg | 1,699,180 km | | RXTY-4 IX - Moon 7 | 2,380 km | -244°C | 0.07g | 5.6 × 10²² kg | 3,544,630 km | | RXTY-4 IX - Moon 8 | 940 km | -244°C | 0.02g | 2.3 × 10²¹ kg | 8,900,870 km |
|