🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.4

Radius: 12.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.13 AU - 1.77 AU

Year: 1205 Days

Day: 9.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,003,561 km

• M1: 150,495 km (0.068 R)
• M2: 812,017 km (0.057 R)
• M3: 1,191,547 km (0.106 R)
• M4: 1,570,927 km (0.043 R)
• M5: 3,502,385 km (0.085 R)
• M6: 4,372,147 km (0.032 R)
• M7: 5,401,231 km (0.101 R)
• M8: 7,724,187 km (0.091 R)
• M9: 10,550,390 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.4

Radius: 14.9

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.87 AU - 4.29 AU

Year: 5689 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,003,561 km

• M1: 191,784 km (0.073 R)
• M2: 944,112 km (0.117 R)
• M3: 1,584,541 km (0.049 R)
• M4: 2,209,411 km (0.055 R)
• M5: 2,860,162 km (0.116 R)
• M6: 4,367,659 km (0.115 R)
• M7: 5,282,750 km (0.109 R)
• M8: 6,322,455 km (0.083 R)
• M9: 7,198,051 km (0.098 R)
• M10: 8,435,226 km (0.077 R)
• M11: 8,976,620 km (0.044 R)
• M12: 10,129,721 km (0.117 R)
• M13: 13,110,907 km (0.069 R)
• M14: 16,829,611 km (0.086 R)
• M15: 21,353,600 km (0.065 R)
• M16: 25,667,554 km (0.094 R)
• M17: 27,076,467 km (0.112 R)
• M18: 27,982,731 km (0.119 R)
• M19: 30,434,191 km (0.079 R)
• M20: 32,821,174 km (0.115 R)
• M21: 34,269,880 km (0.107 R)
• M22: 34,797,512 km (0.089 R)
• M23: 36,085,998 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.9

Radius: 14

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.96 AU - 4.44 AU

Year: 5941 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,003,561 km

• M1: 174,132 km (0.077 R)
• M2: 750,533 km (0.081 R)
• M3: 1,504,655 km (0.097 R)
• M4: 2,140,297 km (0.101 R)
• M5: 2,848,643 km (0.049 R)
• M6: 4,134,736 km (0.095 R)
• M7: 4,810,320 km (0.107 R)
• M8: 6,841,410 km (0.114 R)
• M9: 7,552,897 km (0.073 R)
• M10: 8,206,640 km (0.103 R)
• M11: 10,273,035 km (0.069 R)
• M12: 11,294,938 km (0.114 R)
• M13: 13,392,600 km (0.049 R)
• M14: 14,716,840 km (0.107 R)
• M15: 15,195,105 km (0.096 R)
• M16: 17,743,953 km (0.094 R)
• M17: 18,653,658 km (0.119 R)
• M18: 20,108,647 km (0.118 R)
• M19: 24,703,246 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.1

Radius: 13.1

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.89 AU - 5.29 AU

Year: 6788 Days

Day: 13.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 142.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,003,561 km

• M1: 162,912 km (0.114 R)
• M2: 605,273 km (0.114 R)
• M3: 1,433,447 km (0.072 R)
• M4: 1,843,794 km (0.045 R)
• M5: 2,639,804 km (0.107 R)
• M6: 3,468,726 km (0.09 R)
• M7: 4,225,093 km (0.076 R)
• M8: 5,000,458 km (0.096 R)
• M9: 6,583,952 km (0.098 R)
• M10: 9,260,707 km (0.038 R)
• M11: 9,994,185 km (0.113 R)
• M12: 10,423,680 km (0.084 R)
• M13: 11,217,746 km (0.106 R)
• M14: 11,786,816 km (0.113 R)
• M15: 13,151,897 km (0.115 R)
• M16: 14,438,139 km (0.077 R)
• M17: 15,299,374 km (0.111 R)
• M18: 17,056,850 km (0.041 R)
• M19: 19,163,338 km (0.103 R)
• M20: 19,753,202 km (0.107 R)
• M21: 24,227,525 km (0.063 R)
• M22: 30,120,185 km (0.078 R)
• M23: 34,036,358 km (0.056 R)
• M24: 35,561,059 km (0.054 R)
• M25: 37,244,484 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.3

Radius: 4.5

Gravity: 22.24 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.04 AU - 7.22 AU

Year: 13142 Days

Day: 16.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,003,561 km

• M1: 58,343 km (0.077 R)
• M2: 292,763 km (0.096 R)
• M3: 884,123 km (0.086 R)
• M4: 1,224,459 km (0.057 R)
• M5: 1,818,512 km (0.053 R)
• M6: 2,106,936 km (0.101 R)
• M7: 3,110,888 km (0.081 R)
• M8: 4,981,310 km (0.094 R)
• M9: 5,649,115 km (0.119 R)
• M10: 6,150,716 km (0.044 R)
• M11: 10,055,520 km (0.049 R)
• M12: 11,561,223 km (0.111 R)
• M13: 13,272,622 km (0.083 R)
• M14: 15,349,041 km (0.09 R)
• M15: 16,039,884 km (0.115 R)
• M16: 16,896,032 km (0.112 R)
• M17: 19,566,354 km (0.086 R)
• M18: 20,959,410 km (0.043 R)
• M19: 25,725,149 km (0.08 R)
• M20: 27,696,400 km (0.044 R)
• M21: 33,862,376 km (0.081 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 19,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit