| BY5-V8 I |  Lava | 0 | 2,080 km | 529°C | 0.19g | 0.313 AU |
| BY5-V8 II |  Barren | 0 | 2,060 km | -78°C | 0.16g | 0.489 AU |
| BY5-V8 III | Barren | 0 | 4,980 km | 41°C | 0.49g | 0.83 AU |
| BY5-V8 IV |  Temperate | 2 | 4,480 km | 39°C | 0.41g | 1.516 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| BY5-V8 IV - Moon 1 | 330 km | -162°C | 0.01g | 1.4 × 10²⁰ kg | 118,051 km | | BY5-V8 IV - Moon 2 | 620 km | -162°C | 0.02g | 1.2 × 10²¹ kg | 367,254 km |
|
| BY5-V8 V |  Storm | 2 | 6,420 km | 0°C | 0.53g | 2.307 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| BY5-V8 V - Moon 1 | 130 km | -183°C | 0g | 5.4 × 10¹⁸ kg | 161,382 km | | BY5-V8 V - Moon 2 | 620 km | -183°C | 0.02g | 1.1 × 10²¹ kg | 918,374 km |
|
| BY5-V8 VI | Storm | 6 | 16,620 km | -11°C | 0.91g | 4.296 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| BY5-V8 VI - Moon 1 | 200 km | -207°C | 0g | 1.9 × 10¹⁹ kg | 94,484 km | | BY5-V8 VI - Moon 2 | 480 km | -207°C | 0.01g | 3.9 × 10²⁰ kg | 333,659 km | | BY5-V8 VI - Moon 3 | 740 km | -207°C | 0.02g | 1.7 × 10²¹ kg | 661,947 km | | BY5-V8 VI - Moon 4 | 350 km | -207°C | 0.01g | 1.4 × 10²⁰ kg | 1,077,820 km | | BY5-V8 VI - Moon 5 | 1,110 km | -207°C | 0.04g | 6.6 × 10²¹ kg | 1,477,710 km | | BY5-V8 VI - Moon 6 | 130 km | -207°C | 0g | 4.9 × 10¹⁸ kg | 3,745,820 km |
|
| BY5-V8 VII |  Oceanic | 1 | 7,810 km | 11°C | 1.01g | 6.574 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| BY5-V8 VII - Moon 1 | 1,200 km | -220°C | 0.04g | 7.7 × 10²¹ kg | 795,799 km |
|
| BY5-V8 VIII |  Gas | 4 | 16,100 km | -229°C | 1.08g | 9.337 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| BY5-V8 VIII - Moon 1 | 290 km | -229°C | 0g | 5.7 × 10¹⁹ kg | 235,763 km | | BY5-V8 VIII - Moon 2 | 630 km | -229°C | 0.01g | 7.7 × 10²⁰ kg | 612,612 km | | BY5-V8 VIII - Moon 3 | 1,130 km | -229°C | 0.03g | 5.7 × 10²¹ kg | 1,569,420 km | | BY5-V8 VIII - Moon 4 | 1,310 km | -229°C | 0.04g | 9.3 × 10²¹ kg | 3,861,560 km |
|
| BY5-V8 IX | Barren | 1 | 5,410 km | 22°C | 1.01g | 14.447 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| BY5-V8 IX - Moon 1 | 290 km | -237°C | 0g | 5.0 × 10¹⁹ kg | 4,178,220 km |
|
| BY5-V8 X | Oceanic | 2 | 7,260 km | 21°C | 0.62g | 16.097 AU |
| Moon | Radius | Temp | Gravity | Mass | Distance |
|---|
| BY5-V8 X - Moon 1 | 150 km | -239°C | 0g | 5.6 × 10¹⁸ kg | 335,859 km | | BY5-V8 X - Moon 2 | 840 km | -239°C | 0.02g | 1.8 × 10²¹ kg | 1,926,680 km |
|