🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.78 AU - 1.2 AU

Year: 348 Days

Day: 13.7 Hours

Environment

Temp: 81 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,651,174 km

• M1: 49,816 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.95 AU - 2.49 AU

Year: 1168 Days

Day: 41.3 Hours

Environment

Temp: -69 °C

Axial Tilt: 72.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.66 AU - 4.22 AU

Year: 2253 Days

Day: 24 Hours

Environment

Temp: -113 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.19 AU - 5.47 AU

Year: 3748 Days

Day: 23.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,651,174 km

• M1: 586,124 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.9

Radius: 12.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.03 AU - 12.23 AU

Year: 11384 Days

Day: 14.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,651,174 km

• M1: 162,314 km (0.094 R)
• M2: 1,615,657 km (0.106 R)
• M3: 4,309,915 km (0.097 R)
• M4: 5,785,847 km (0.076 R)
• M5: 6,875,668 km (0.111 R)
• M6: 7,406,740 km (0.071 R)
• M7: 9,609,419 km (0.099 R)
• M8: 10,970,012 km (0.062 R)
• M9: 15,063,907 km (0.115 R)
• M10: 17,413,342 km (0.109 R)
• M11: 18,950,759 km (0.042 R)
• M12: 22,294,122 km (0.118 R)
• M13: 23,187,820 km (0.12 R)
• M14: 27,507,308 km (0.05 R)
• M15: 28,848,603 km (0.063 R)
• M16: 30,450,048 km (0.106 R)
• M17: 35,609,529 km (0.107 R)
• M18: 36,707,129 km (0.084 R)
• M19: 41,324,018 km (0.106 R)
• M20: 43,494,833 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.9

Radius: 10.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 9.38 AU - 12.52 AU

Year: 12794 Days

Day: 9.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,651,174 km

• M1: 152,291 km (0.097 R)
• M2: 847,622 km (0.073 R)
• M3: 2,045,601 km (0.098 R)
• M4: 7,864,210 km (0.12 R)
• M5: 9,377,692 km (0.11 R)
• M6: 9,760,363 km (0.12 R)
• M7: 10,303,553 km (0.078 R)
• M8: 10,659,746 km (0.093 R)
• M9: 11,182,740 km (0.112 R)
• M10: 12,111,144 km (0.096 R)
• M11: 17,251,926 km (0.099 R)
• M12: 21,306,626 km (0.065 R)
• M13: 42,819,399 km (0.065 R)
• M14: 44,811,893 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.6

Radius: 4.6

Gravity: 37.36 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 11.03 AU - 15.85 AU

Year: 17398 Days

Day: 15.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,651,174 km

• M1: 57,446 km (0.114 R)
• M2: 647,310 km (0.119 R)
• M3: 1,112,859 km (0.058 R)
• M4: 1,922,931 km (0.1 R)
• M5: 2,575,028 km (0.067 R)
• M6: 3,447,932 km (0.066 R)
• M7: 5,213,935 km (0.026 R)
• M8: 7,270,307 km (0.084 R)
• M9: 9,983,863 km (0.086 R)
• M10: 10,573,278 km (0.049 R)
• M11: 11,756,897 km (0.102 R)
• M12: 12,148,394 km (0.089 R)
• M13: 12,615,888 km (0.103 R)
• M14: 13,304,487 km (0.045 R)
• M15: 15,991,414 km (0.069 R)
• M16: 16,230,471 km (0.109 R)
• M17: 20,667,095 km (0.049 R)
• M18: 22,012,878 km (0.055 R)
• M19: 25,306,275 km (0.108 R)
• M20: 32,849,000 km (0.111 R)
• M21: 33,106,158 km (0.116 R)
• M22: 34,544,692 km (0.076 R)
• M23: 36,435,309 km (0.09 R)
• M24: 40,568,699 km (0.028 R)
• M25: 41,162,303 km (0.07 R)
• M26: 42,824,335 km (0.072 R)
• M27: 46,767,286 km (0.107 R)
• M28: 60,034,523 km (0.108 R)
• M29: 65,161,541 km (0.109 R)
• M30: 65,771,302 km (0.101 R)
• M31: 66,384,803 km (0.105 R)
• M32: 68,876,954 km (0.073 R)
• M33: 69,298,371 km (0.108 R)
• M34: 69,721,434 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.3

Radius: 8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 18.44 AU - 21 AU

Year: 30921 Days

Day: 15.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,651,174 km

• M1: 101,427 km (0.115 R)
• M2: 381,774 km (0.076 R)
• M3: 790,924 km (0.109 R)
• M4: 6,029,841 km (0.113 R)
• M5: 8,830,463 km (0.113 R)
• M6: 11,939,107 km (0.116 R)
• M7: 12,199,706 km (0.106 R)
• M8: 13,702,118 km (0.118 R)
• M9: 14,205,066 km (0.118 R)
• M10: 22,498,473 km (0.088 R)
• M11: 23,299,569 km (0.106 R)
• M12: 28,859,524 km (0.084 R)
• M13: 32,258,686 km (0.09 R)
• M14: 42,055,701 km (0.115 R)
• M15: 46,248,331 km (0.094 R)
• M16: 49,193,165 km (0.082 R)
• M17: 51,052,966 km (0.083 R)
• M18: 62,615,834 km (0.064 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 18,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit