🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.3

Radius: 14.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.86 AU - 1.04 AU

Year: 607 Days

Day: 13.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,372,757 km

• M1: 180,265 km (0.091 R)
• M2: 668,702 km (0.093 R)
• M3: 1,573,770 km (0.042 R)
• M4: 2,058,915 km (0.097 R)
• M5: 2,742,727 km (0.036 R)
• M6: 3,380,762 km (0.095 R)
• M7: 3,944,297 km (0.106 R)
• M8: 5,108,468 km (0.09 R)
• M9: 5,761,912 km (0.057 R)
• M10: 6,234,790 km (0.12 R)
• M11: 7,066,704 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.3

Radius: 9.7

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.11 AU - 1.45 AU

Year: 950 Days

Day: 9.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,372,757 km

• M1: 120,725 km (0.092 R)
• M2: 537,655 km (0.084 R)
• M3: 2,070,584 km (0.073 R)
• M4: 3,186,285 km (0.106 R)
• M5: 3,876,230 km (0.092 R)
• M6: 4,313,355 km (0.116 R)
• M7: 4,853,105 km (0.074 R)
• M8: 7,426,487 km (0.109 R)
• M9: 8,558,793 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.2

Radius: 8.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.16 AU - 1.44 AU

Year: 972 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,372,757 km

• M1: 103,223 km (0.105 R)
• M2: 372,200 km (0.098 R)
• M3: 934,089 km (0.066 R)
• M4: 1,497,475 km (0.111 R)
• M5: 1,943,725 km (0.059 R)
• M6: 2,395,959 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 8.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.41 AU - 1.89 AU

Year: 1390 Days

Day: 8.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,372,757 km

• M1: 110,702 km (0.09 R)
• M2: 958,623 km (0.105 R)
• M3: 1,392,607 km (0.085 R)
• M4: 2,681,991 km (0.074 R)
• M5: 3,317,482 km (0.107 R)
• M6: 4,148,648 km (0.091 R)
• M7: 4,507,085 km (0.119 R)
• M8: 6,944,034 km (0.059 R)
• M9: 8,164,154 km (0.106 R)
• M10: 8,456,618 km (0.107 R)
• M11: 9,697,233 km (0.111 R)
• M12: 10,454,049 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.1

Radius: 9.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.57 AU - 2.09 AU

Year: 1624 Days

Day: 14.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,372,757 km

• M1: 119,379 km (0.038 R)
• M2: 701,315 km (0.113 R)
• M3: 1,281,605 km (0.096 R)
• M4: 1,674,299 km (0.062 R)
• M5: 2,000,423 km (0.043 R)
• M6: 2,380,701 km (0.098 R)
• M7: 2,719,240 km (0.087 R)
• M8: 3,757,450 km (0.058 R)
• M9: 4,151,042 km (0.085 R)
• M10: 4,572,010 km (0.088 R)
• M11: 5,157,835 km (0.084 R)
• M12: 5,499,966 km (0.041 R)
• M13: 6,030,589 km (0.086 R)
• M14: 7,545,268 km (0.101 R)
• M15: 8,120,322 km (0.112 R)
• M16: 9,898,742 km (0.108 R)
• M17: 11,109,287 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 12.1

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.85 AU - 2.53 AU

Year: 2126 Days

Day: 8 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,372,757 km

• M1: 158,275 km (0.064 R)
• M2: 751,430 km (0.077 R)
• M3: 1,480,421 km (0.086 R)
• M4: 2,386,684 km (0.093 R)
• M5: 4,917,731 km (0.07 R)
• M6: 5,575,513 km (0.11 R)
• M7: 7,822,473 km (0.064 R)
• M8: 8,901,672 km (0.11 R)
• M9: 12,390,294 km (0.113 R)

Asteroid Belt

Center: 4.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.4

Radius: 7.9

Gravity: 15.95 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.96 AU - 8.26 AU

Year: 11148 Days

Day: 23.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,372,757 km

• M1: 98,435 km (0.053 R)
• M2: 543,788 km (0.103 R)
• M3: 1,433,148 km (0.057 R)
• M4: 1,954,646 km (0.115 R)
• M5: 3,744,584 km (0.115 R)
• M6: 3,998,153 km (0.093 R)
• M7: 6,746,415 km (0.065 R)
• M8: 7,338,972 km (0.057 R)
• M9: 7,965,638 km (0.06 R)
• M10: 14,739,130 km (0.079 R)
• M11: 17,703,711 km (0.099 R)
• M12: 19,241,877 km (0.083 R)
• M13: 25,377,633 km (0.118 R)
• M14: 27,014,683 km (0.053 R)
• M15: 27,859,013 km (0.053 R)
• M16: 32,939,357 km (0.091 R)
• M17: 34,146,761 km (0.054 R)
• M18: 37,293,552 km (0.041 R)
• M19: 48,038,120 km (0.07 R)
• M20: 50,219,257 km (0.073 R)
• M21: 55,620,040 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 19,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit