🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.5 AU - 0.8 AU

Year: 202 Days

Day: 36.9 Hours

Environment

Temp: 117 °C

Axial Tilt: 27.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.76 AU - 1.02 AU

Year: 323 Days

Day: 17 Hours

Environment

Temp: 6 °C

Axial Tilt: 3.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.29 AU - 3.55 AU

Year: 1921 Days

Day: 42.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,997,878 km

• M1: 18,849 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 9.6

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.17 AU - 5.99 AU

Year: 5075 Days

Day: 5 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,997,878 km

• M1: 119,828 km (0.084 R)
• M2: 506,838 km (0.087 R)
• M3: 966,402 km (0.029 R)
• M4: 1,265,748 km (0.11 R)
• M5: 1,971,401 km (0.065 R)
• M6: 2,412,864 km (0.041 R)
• M7: 3,606,505 km (0.119 R)
• M8: 4,072,952 km (0.054 R)
• M9: 4,423,011 km (0.057 R)
• M10: 5,810,232 km (0.047 R)
• M11: 6,895,115 km (0.102 R)
• M12: 7,467,477 km (0.064 R)
• M13: 8,384,961 km (0.112 R)
• M14: 9,247,841 km (0.105 R)
• M15: 10,628,330 km (0.108 R)
• M16: 11,197,999 km (0.082 R)
• M17: 18,467,708 km (0.111 R)
• M18: 21,233,323 km (0.104 R)
• M19: 23,460,836 km (0.052 R)
• M20: 23,859,963 km (0.112 R)
• M21: 24,508,170 km (0.11 R)
• M22: 25,001,993 km (0.089 R)
• M23: 25,334,848 km (0.049 R)
• M24: 26,437,235 km (0.067 R)
• M25: 28,015,792 km (0.083 R)
• M26: 31,553,332 km (0.079 R)
• M27: 33,028,068 km (0.044 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.6

Radius: 3.3

Gravity: 66.17 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 12.32 AU - 12.5 AU

Year: 16832 Days

Day: 17.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,997,878 km

• M1: 48,171 km (0.074 R)
• M2: 385,813 km (0.085 R)
• M3: 745,446 km (0.12 R)
• M4: 879,785 km (0.104 R)
• M5: 1,006,046 km (0.065 R)
• M6: 1,309,430 km (0.098 R)
• M7: 1,443,619 km (0.036 R)
• M8: 1,587,084 km (0.083 R)
• M9: 1,792,930 km (0.102 R)
• M10: 2,586,697 km (0.085 R)
• M11: 2,996,745 km (0.109 R)
• M12: 3,561,327 km (0.097 R)
• M13: 5,913,454 km (0.06 R)
• M14: 7,382,655 km (0.093 R)
• M15: 8,052,704 km (0.028 R)
• M16: 12,147,646 km (0.109 R)
• M17: 12,277,946 km (0.087 R)
• M18: 12,674,081 km (0.091 R)
• M19: 12,807,971 km (0.11 R)
• M20: 15,688,777 km (0.107 R)
• M21: 16,155,074 km (0.051 R)
• M22: 16,550,611 km (0.05 R)
• M23: 17,859,891 km (0.113 R)
• M24: 18,885,983 km (0.041 R)
• M25: 20,131,984 km (0.083 R)
• M26: 21,909,207 km (0.117 R)
• M27: 26,095,105 km (0.099 R)
• M28: 27,750,555 km (0.102 R)
• M29: 29,008,224 km (0.08 R)
• M30: 29,474,820 km (0.083 R)
• M31: 30,184,063 km (0.101 R)
• M32: 32,504,775 km (0.112 R)
• M33: 33,134,732 km (0.037 R)
• M34: 37,223,092 km (0.095 R)
• M35: 37,360,273 km (0.1 R)
• M36: 48,313,530 km (0.086 R)
• M37: 54,249,274 km (0.105 R)
• M38: 62,764,834 km (0.107 R)
• M39: 63,937,232 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.5

Radius: 5.9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 14.2 AU - 17.6 AU

Year: 24410 Days

Day: 18.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,997,878 km

• M1: 94,396 km (0.11 R)
• M2: 461,958 km (0.106 R)
• M3: 672,742 km (0.104 R)
• M4: 907,760 km (0.094 R)
• M5: 1,125,425 km (0.038 R)
• M6: 1,762,712 km (0.11 R)
• M7: 2,370,977 km (0.101 R)
• M8: 3,825,816 km (0.094 R)
• M9: 4,461,308 km (0.062 R)
• M10: 6,992,952 km (0.086 R)
• M11: 7,984,188 km (0.11 R)
• M12: 10,728,561 km (0.113 R)
• M13: 12,707,142 km (0.078 R)
• M14: 13,396,041 km (0.051 R)
• M15: 15,261,825 km (0.116 R)
• M16: 22,064,340 km (0.073 R)
• M17: 25,135,135 km (0.1 R)
• M18: 35,420,138 km (0.062 R)
• M19: 39,738,580 km (0.114 R)
• M20: 40,135,613 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.5

Radius: 5.7

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 13.8 AU - 18.82 AU

Year: 25360 Days

Day: 16.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,997,878 km

• M1: 73,752 km (0.118 R)
• M2: 339,587 km (0.073 R)
• M3: 643,271 km (0.095 R)
• M4: 1,365,829 km (0.063 R)
• M5: 1,749,098 km (0.067 R)
• M6: 2,796,732 km (0.048 R)
• M7: 3,970,178 km (0.116 R)
• M8: 4,814,359 km (0.106 R)
• M9: 5,051,471 km (0.104 R)
• M10: 6,001,268 km (0.119 R)
• M11: 9,879,443 km (0.113 R)
• M12: 10,207,661 km (0.064 R)
• M13: 12,775,808 km (0.098 R)
• M14: 24,460,897 km (0.107 R)
• M15: 27,240,875 km (0.057 R)
• M16: 27,454,800 km (0.086 R)
• M17: 33,787,128 km (0.12 R)
• M18: 35,034,176 km (0.032 R)
• M19: 35,287,295 km (0.053 R)
• M20: 39,915,405 km (0.043 R)
• M21: 41,308,460 km (0.048 R)
• M22: 48,291,689 km (0.08 R)
• M23: 55,677,336 km (0.034 R)
• M24: 56,368,029 km (0.037 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 19,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit