| J172840 I |  Lava | 0 | 2,160 km | 919°C | 0.23g | 0.575 AU |
| J172840 II |  Barren | 1 | 2,390 km | -150°C | 0.14g | 0.883 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J172840 II - Moon 1 | 140 km | -150°C | 0g | 8.0 × 10¹⁸ kg | 132,135,895 km |
|
| J172840 III |  Plasma | 0 | 2,720 km | -174°C | 0.39g | 1.374 AU |
| J172840 IV | Barren | 0 | 3,170 km | -68°C | 0.19g | 1.71 AU |
| J172840 V | Barren | 0 | 3,120 km | 140°C | 0.46g | 2.436 AU |
| J172840 VI |  Temperate | 2 | 6,890 km | 34°C | 0.75g | 4.591 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J172840 VI - Moon 1 | 220 km | -219°C | 0g | 2.5 × 10¹⁹ kg | 686,845,919 km | | J172840 VI - Moon 2 | 630 km | -219°C | 0.01g | 8.8 × 10²⁰ kg | 686,845,919 km |
|
| J172840 VII | Plasma | 2 | 3,490 km | -226°C | 0.82g | 5.91 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| J172840 VII - Moon 1 | 200 km | -226°C | 0g | 1.5 × 10¹⁹ kg | 884,193,821 km | | J172840 VII - Moon 2 | 320 km | -226°C | 0.01g | 8.2 × 10¹⁹ kg | 884,193,821 km |
|
| J172840 VIII |  Oceanic | 0 | 3,040 km | 5°C | 0.15g | 7.342 AU |