🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.1

Radius: 12.4

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.87 AU - 1.11 AU

Year: 657 Days

Day: 7.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,462,629 km

• M1: 154,983 km (0.072 R)
• M2: 567,874 km (0.095 R)
• M3: 1,260,811 km (0.115 R)
• M4: 1,835,117 km (0.03 R)
• M5: 2,248,157 km (0.072 R)
• M6: 3,178,057 km (0.076 R)
• M7: 3,668,589 km (0.086 R)
• M8: 4,194,126 km (0.107 R)
• M9: 4,621,078 km (0.06 R)
• M10: 5,489,045 km (0.074 R)
• M11: 6,649,625 km (0.095 R)
• M12: 7,321,769 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 9.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.32 AU - 1.84 AU

Year: 1324 Days

Day: 7.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,462,629 km

• M1: 118,781 km (0.054 R)
• M2: 844,630 km (0.099 R)
• M3: 1,227,750 km (0.09 R)
• M4: 1,598,453 km (0.063 R)
• M5: 2,237,535 km (0.082 R)
• M6: 3,117,620 km (0.087 R)
• M7: 4,956,925 km (0.08 R)
• M8: 6,033,731 km (0.106 R)
• M9: 6,728,164 km (0.103 R)
• M10: 7,025,116 km (0.114 R)
• M11: 8,070,356 km (0.093 R)
• M12: 8,617,137 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.9

Radius: 10.4

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.53 AU - 1.79 AU

Year: 1426 Days

Day: 13.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,462,629 km

• M1: 129,402 km (0.088 R)
• M2: 588,069 km (0.091 R)
• M3: 1,214,286 km (0.113 R)
• M4: 1,641,837 km (0.069 R)
• M5: 2,012,091 km (0.079 R)
• M6: 2,369,032 km (0.073 R)
• M7: 3,156,365 km (0.114 R)
• M8: 4,490,330 km (0.086 R)
• M9: 4,857,144 km (0.077 R)
• M10: 5,184,613 km (0.095 R)
• M11: 5,841,498 km (0.041 R)
• M12: 7,148,085 km (0.082 R)
• M13: 7,496,798 km (0.093 R)
• M14: 9,653,251 km (0.083 R)
• M15: 10,392,714 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.2

Radius: 12.3

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.7 AU - 2.26 AU

Year: 1858 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,462,629 km

• M1: 153,039 km (0.113 R)
• M2: 584,180 km (0.089 R)
• M3: 1,104,032 km (0.059 R)
• M4: 2,290,343 km (0.107 R)
• M5: 2,968,022 km (0.053 R)
• M6: 3,620,268 km (0.102 R)
• M7: 4,119,177 km (0.104 R)
• M8: 5,547,687 km (0.039 R)
• M9: 6,262,915 km (0.091 R)
• M10: 6,852,181 km (0.037 R)
• M11: 8,141,864 km (0.039 R)
• M12: 9,324,435 km (0.043 R)
• M13: 9,720,720 km (0.083 R)
• M14: 10,301,459 km (0.096 R)
• M15: 10,761,024 km (0.085 R)
• M16: 11,160,600 km (0.117 R)
• M17: 11,570,199 km (0.106 R)
• M18: 12,698,166 km (0.099 R)
• M19: 13,475,926 km (0.118 R)
• M20: 14,724,170 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.7

Radius: 10.7

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.57 AU - 2.49 AU

Year: 1929 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,462,629 km

• M1: 133,142 km (0.069 R)
• M2: 515,215 km (0.12 R)
• M3: 984,653 km (0.097 R)
• M4: 1,337,854 km (0.083 R)
• M5: 1,671,607 km (0.055 R)
• M6: 2,074,174 km (0.107 R)
• M7: 2,555,281 km (0.073 R)
• M8: 3,494,157 km (0.072 R)
• M9: 3,853,940 km (0.082 R)
• M10: 4,543,886 km (0.045 R)
• M11: 5,743,062 km (0.089 R)
• M12: 6,169,267 km (0.108 R)
• M13: 7,141,952 km (0.106 R)
• M14: 7,724,935 km (0.114 R)
• M15: 8,887,011 km (0.118 R)
• M16: 10,489,803 km (0.099 R)
• M17: 10,937,848 km (0.075 R)
• M18: 14,763,215 km (0.075 R)
• M19: 15,421,596 km (0.095 R)
• M20: 17,102,477 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.2

Radius: 13.8

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.2 AU - 5.64 AU

Year: 7277 Days

Day: 5.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,462,629 km

• M1: 174,132 km (0.115 R)
• M2: 686,205 km (0.08 R)
• M3: 1,140,385 km (0.082 R)
• M4: 2,510,551 km (0.111 R)
• M5: 4,506,636 km (0.107 R)
• M6: 5,650,611 km (0.072 R)
• M7: 6,083,846 km (0.1 R)
• M8: 7,284,818 km (0.117 R)
• M9: 8,813,259 km (0.106 R)
• M10: 10,299,664 km (0.101 R)
• M11: 11,467,126 km (0.116 R)
• M12: 12,496,658 km (0.097 R)
• M13: 14,990,455 km (0.051 R)
• M14: 17,308,922 km (0.105 R)
• M15: 19,781,326 km (0.083 R)
• M16: 25,507,185 km (0.085 R)
• M17: 32,675,466 km (0.079 R)
• M18: 34,518,961 km (0.056 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 17,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit