🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 13.7

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.57 AU - 0.91 AU

Year: 411 Days

Day: 10.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,980,165 km

• M1: 170,392 km (0.091 R)
• M2: 602,431 km (0.074 R)
• M3: 1,252,284 km (0.099 R)
• M4: 1,783,356 km (0.093 R)
• M5: 2,946,779 km (0.055 R)
• M6: 3,444,341 km (0.083 R)
• M7: 5,399,137 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.7

Radius: 15

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.94 AU - 1.28 AU

Year: 755 Days

Day: 5.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,980,165 km

• M1: 186,848 km (0.114 R)
• M2: 672,143 km (0.12 R)
• M3: 1,312,273 km (0.115 R)
• M4: 1,948,811 km (0.105 R)
• M5: 2,444,579 km (0.108 R)
• M6: 3,437,759 km (0.116 R)
• M7: 4,259,799 km (0.103 R)
• M8: 5,433,395 km (0.065 R)
• M9: 5,993,190 km (0.112 R)
• M10: 6,691,513 km (0.087 R)
• M11: 7,314,588 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.8

Radius: 10.2

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.28 AU - 1.48 AU

Year: 1047 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,980,165 km

• M1: 127,607 km (0.055 R)
• M2: 461,360 km (0.11 R)
• M3: 1,292,825 km (0.116 R)
• M4: 2,026,154 km (0.091 R)
• M5: 2,701,289 km (0.055 R)
• M6: 3,168,632 km (0.091 R)
• M7: 4,062,181 km (0.069 R)
• M8: 4,550,019 km (0.106 R)
• M9: 8,534,559 km (0.113 R)
• M10: 8,872,351 km (0.103 R)
• M11: 9,514,873 km (0.048 R)
• M12: 10,536,477 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610

Radius: 13.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.21 AU - 1.71 AU

Year: 1139 Days

Day: 9.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,980,165 km

• M1: 162,912 km (0.096 R)
• M2: 656,735 km (0.118 R)
• M3: 1,109,867 km (0.086 R)
• M4: 1,562,101 km (0.1 R)
• M5: 2,017,327 km (0.104 R)
• M6: 2,526,409 km (0.105 R)
• M7: 2,934,661 km (0.111 R)
• M8: 3,966,887 km (0.077 R)
• M9: 5,111,909 km (0.074 R)
• M10: 5,856,158 km (0.114 R)
• M11: 6,602,652 km (0.069 R)
• M12: 7,215,554 km (0.077 R)
• M13: 8,285,777 km (0.115 R)
• M14: 10,086,038 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.7

Radius: 10.6

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.38 AU - 1.96 AU

Year: 1393 Days

Day: 8.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,980,165 km

• M1: 131,796 km (0.086 R)
• M2: 603,927 km (0.117 R)
• M3: 990,188 km (0.028 R)
• M4: 1,590,824 km (0.088 R)
• M5: 1,964,070 km (0.048 R)
• M6: 3,006,917 km (0.112 R)
• M7: 3,535,147 km (0.033 R)
• M8: 4,051,709 km (0.095 R)
• M9: 6,050,635 km (0.115 R)
• M10: 7,564,566 km (0.056 R)
• M11: 7,901,012 km (0.084 R)
• M12: 8,574,202 km (0.098 R)
• M13: 8,909,301 km (0.091 R)
• M14: 9,671,353 km (0.114 R)
• M15: 10,034,726 km (0.037 R)
• M16: 11,144,443 km (0.055 R)
• M17: 11,544,168 km (0.113 R)
• M18: 12,488,430 km (0.103 R)
• M19: 13,442,565 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.5

Radius: 6.5

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.05 AU - 8.51 AU

Year: 12683 Days

Day: 19.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,980,165 km

• M1: 84,672 km (0.11 R)
• M2: 551,567 km (0.067 R)
• M3: 1,047,634 km (0.066 R)
• M4: 1,648,419 km (0.102 R)
• M5: 2,140,297 km (0.079 R)
• M6: 2,887,538 km (0.062 R)
• M7: 3,098,920 km (0.116 R)
• M8: 3,625,056 km (0.085 R)
• M9: 4,853,853 km (0.048 R)
• M10: 5,824,593 km (0.112 R)
• M11: 6,060,659 km (0.119 R)
• M12: 6,516,034 km (0.114 R)
• M13: 6,881,502 km (0.085 R)
• M14: 8,439,265 km (0.086 R)
• M15: 9,553,320 km (0.089 R)
• M16: 10,315,820 km (0.092 R)
• M17: 13,480,115 km (0.117 R)
• M18: 14,499,624 km (0.056 R)
• M19: 15,377,016 km (0.079 R)
• M20: 17,237,265 km (0.119 R)
• M21: 18,221,469 km (0.094 R)
• M22: 18,437,040 km (0.084 R)
• M23: 21,398,180 km (0.073 R)
• M24: 28,146,540 km (0.063 R)
• M25: 30,914,998 km (0.106 R)
• M26: 37,913,636 km (0.107 R)
• M27: 39,094,561 km (0.109 R)
• M28: 41,281,682 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.1

Radius: 4

Gravity: 39.13 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 10.13 AU - 11.77 AU

Year: 23396 Days

Day: 16.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,980,165 km

• M1: 49,816 km (0.065 R)
• M2: 404,513 km (0.084 R)
• M3: 666,608 km (0.102 R)
• M4: 1,113,008 km (0.104 R)
• M5: 1,506,451 km (0.091 R)
• M6: 1,829,133 km (0.105 R)
• M7: 2,862,256 km (0.08 R)
• M8: 4,199,811 km (0.092 R)
• M9: 4,510,077 km (0.091 R)
• M10: 9,396,691 km (0.096 R)
• M11: 11,569,750 km (0.109 R)
• M12: 12,316,542 km (0.113 R)
• M13: 14,056,066 km (0.055 R)
• M14: 14,670,465 km (0.094 R)
• M15: 18,373,311 km (0.088 R)
• M16: 18,829,884 km (0.093 R)
• M17: 23,604,450 km (0.075 R)
• M18: 24,471,369 km (0.072 R)
• M19: 28,031,649 km (0.112 R)
• M20: 37,162,953 km (0.034 R)
• M21: 50,365,265 km (0.061 R)
• M22: 56,073,620 km (0.114 R)
• M23: 56,647,927 km (0.093 R)
• M24: 58,984,196 km (0.073 R)
• M25: 60,376,354 km (0.075 R)
• M26: 60,979,533 km (0.12 R)
• M27: 65,315,328 km (0.087 R)
• M28: 74,363,905 km (0.112 R)
• M29: 75,056,992 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 15,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit