🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.64 AU - 0.68 AU

Year: 193 Days

Day: 12.3 Hours

Environment

Temp: 219 °C

Axial Tilt: 34.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1 AU - 1.12 AU

Year: 393 Days

Day: 47.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 96.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.14 AU - 1.6 AU

Year: 577 Days

Day: 17.8 Hours

Environment

Temp: -19 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.4 AU - 1.6 AU

Year: 661 Days

Day: 31.2 Hours

Environment

Temp: -30 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91

Radius: 8.6

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.68 AU - 6.78 AU

Year: 6283 Days

Day: 8 Hours

Environment

Temp: -157 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,448,827 km

• M1: 108,159 km (0.114 R)
• M2: 395,836 km (0.109 R)
• M3: 696,827 km (0.116 R)
• M4: 1,101,190 km (0.1 R)
• M5: 2,978,194 km (0.085 R)
• M6: 3,375,227 km (0.063 R)
• M7: 4,378,281 km (0.073 R)
• M8: 4,760,503 km (0.115 R)
• M9: 5,304,740 km (0.1 R)
• M10: 6,198,289 km (0.031 R)
• M11: 6,517,381 km (0.078 R)
• M12: 8,933,985 km (0.05 R)
• M13: 9,480,466 km (0.118 R)
• M14: 11,811,201 km (0.114 R)
• M15: 14,085,986 km (0.1 R)
• M16: 14,685,574 km (0.086 R)
• M17: 15,398,558 km (0.06 R)
• M18: 17,465,103 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.7

Radius: 11.3

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.39 AU - 12.03 AU

Year: 10889 Days

Day: 7.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 31,448,827 km

• M1: 140,622 km (0.111 R)
• M2: 533,167 km (0.113 R)
• M3: 1,111,363 km (0.101 R)
• M4: 1,831,078 km (0.048 R)
• M5: 2,230,504 km (0.081 R)
• M6: 2,752,451 km (0.043 R)
• M7: 3,184,340 km (0.098 R)
• M8: 3,714,515 km (0.098 R)
• M9: 4,361,975 km (0.079 R)
• M10: 4,823,783 km (0.043 R)
• M11: 6,966,174 km (0.106 R)
• M12: 10,200,032 km (0.058 R)
• M13: 12,353,044 km (0.076 R)
• M14: 13,344,429 km (0.089 R)
• M15: 15,345,151 km (0.057 R)
• M16: 18,079,052 km (0.069 R)
• M17: 18,471,747 km (0.057 R)
• M18: 19,112,175 km (0.096 R)
• M19: 19,767,264 km (0.108 R)
• M20: 20,949,536 km (0.114 R)
• M21: 23,177,348 km (0.032 R)
• M22: 24,876,032 km (0.079 R)
• M23: 26,757,674 km (0.114 R)
• M24: 28,308,854 km (0.096 R)
• M25: 29,483,945 km (0.109 R)
• M26: 34,510,583 km (0.119 R)
• M27: 35,604,892 km (0.11 R)
• M28: 37,734,717 km (0.068 R)
• M29: 48,754,694 km (0.119 R)
• M30: 49,977,657 km (0.025 R)
• M31: 54,419,217 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67

Radius: 4.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 13.93 AU - 16.59 AU

Year: 21454 Days

Day: 24.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,448,827 km

• M1: 58,343 km (0.081 R)
• M2: 257,159 km (0.095 R)
• M3: 491,878 km (0.119 R)
• M4: 862,432 km (0.059 R)
• M5: 1,067,530 km (0.058 R)
• M6: 1,399,488 km (0.077 R)
• M7: 1,726,060 km (0.072 R)
• M8: 3,267,666 km (0.04 R)
• M9: 3,938,762 km (0.073 R)
• M10: 4,809,123 km (0.05 R)
• M11: 4,980,263 km (0.104 R)
• M12: 6,533,238 km (0.09 R)
• M13: 7,362,908 km (0.113 R)
• M14: 8,714,525 km (0.105 R)
• M15: 9,272,525 km (0.076 R)
• M16: 10,941,439 km (0.052 R)
• M17: 11,950,177 km (0.117 R)
• M18: 14,092,718 km (0.047 R)
• M19: 14,267,448 km (0.033 R)
• M20: 16,672,383 km (0.096 R)
• M21: 19,986,425 km (0.088 R)
• M22: 25,741,006 km (0.071 R)
• M23: 35,863,098 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.1

Radius: 4.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 13.64 AU - 20.86 AU

Year: 25784 Days

Day: 16.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,448,827 km

• M1: 59,690 km (0.107 R)
• M2: 467,045 km (0.117 R)
• M3: 967,898 km (0.091 R)
• M4: 1,157,289 km (0.1 R)
• M5: 1,701,825 km (0.09 R)
• M6: 2,023,760 km (0.098 R)
• M7: 2,352,127 km (0.075 R)
• M8: 3,640,763 km (0.12 R)
• M9: 8,719,761 km (0.059 R)
• M10: 9,125,021 km (0.114 R)
• M11: 10,416,201 km (0.101 R)
• M12: 10,688,319 km (0.074 R)
• M13: 17,366,667 km (0.105 R)
• M14: 21,304,981 km (0.079 R)
• M15: 23,480,433 km (0.059 R)
• M16: 27,657,654 km (0.1 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 11,440 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit