🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.1

Radius: 11.9

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.5 AU - 0.66 AU

Year: 295 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,797,003 km

• M1: 148,251 km (0.045 R)
• M2: 616,194 km (0.117 R)
• M3: 1,120,039 km (0.109 R)
• M4: 1,859,502 km (0.112 R)
• M5: 2,832,935 km (0.106 R)
• M6: 3,213,961 km (0.09 R)
• M7: 3,735,908 km (0.085 R)
• M8: 4,170,489 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 12.1

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.57 AU - 0.61 AU

Year: 302 Days

Day: 6.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,797,003 km

• M1: 158,125 km (0.056 R)
• M2: 598,391 km (0.099 R)
• M3: 1,210,546 km (0.072 R)
• M4: 1,595,910 km (0.108 R)
• M5: 2,416,155 km (0.057 R)
• M6: 2,897,561 km (0.096 R)
• M7: 3,352,787 km (0.108 R)
• M8: 3,746,379 km (0.066 R)
• M9: 4,599,835 km (0.069 R)
• M10: 4,999,411 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 14

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.58 AU - 0.7 AU

Year: 341 Days

Day: 10.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 31,797,003 km

• M1: 186,549 km (0.067 R)
• M2: 667,655 km (0.087 R)
• M3: 1,357,152 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507

Radius: 11

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.81 AU - 0.83 AU

Year: 495 Days

Day: 7.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,797,003 km

• M1: 136,732 km (0.115 R)
• M2: 499,507 km (0.119 R)
• M3: 916,736 km (0.113 R)
• M4: 1,564,495 km (0.095 R)
• M5: 1,948,063 km (0.059 R)
• M6: 2,339,860 km (0.057 R)
• M7: 2,713,107 km (0.113 R)
• M8: 3,205,134 km (0.075 R)
• M9: 3,743,238 km (0.11 R)
• M10: 4,383,068 km (0.116 R)
• M11: 5,001,356 km (0.077 R)
• M12: 5,829,530 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186

Radius: 10.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.07 AU - 2.21 AU

Year: 2088 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,797,003 km

• M1: 129,402 km (0.046 R)
• M2: 564,882 km (0.097 R)
• M3: 1,048,831 km (0.089 R)
• M4: 2,024,807 km (0.109 R)
• M5: 2,751,853 km (0.055 R)
• M6: 4,058,141 km (0.08 R)
• M7: 4,397,579 km (0.107 R)
• M8: 4,942,714 km (0.08 R)
• M9: 5,491,588 km (0.106 R)
• M10: 6,301,062 km (0.109 R)
• M11: 6,688,072 km (0.112 R)
• M12: 8,103,268 km (0.117 R)
• M13: 8,616,688 km (0.077 R)
• M14: 9,500,961 km (0.105 R)
• M15: 9,919,536 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.6

Radius: 13.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.92 AU - 2.86 AU

Year: 2464 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,797,003 km

• M1: 172,935 km (0.093 R)
• M2: 610,060 km (0.072 R)
• M3: 1,092,064 km (0.115 R)
• M4: 1,554,172 km (0.081 R)
• M5: 2,406,431 km (0.103 R)
• M6: 2,910,576 km (0.098 R)
• M7: 3,687,887 km (0.073 R)
• M8: 4,173,182 km (0.069 R)
• M9: 6,381,696 km (0.065 R)
• M10: 8,741,602 km (0.079 R)
• M11: 9,347,324 km (0.093 R)
• M12: 12,289,615 km (0.111 R)
• M13: 12,766,832 km (0.106 R)
• M14: 13,547,733 km (0.109 R)
• M15: 14,316,815 km (0.088 R)
• M16: 15,159,799 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.9

Radius: 7.4

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.79 AU - 9.29 AU

Year: 13807 Days

Day: 24.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,797,003 km

• M1: 92,003 km (0.094 R)
• M2: 795,561 km (0.063 R)
• M3: 1,092,513 km (0.114 R)
• M4: 2,016,430 km (0.082 R)
• M5: 2,407,628 km (0.091 R)
• M6: 3,158,011 km (0.086 R)
• M7: 3,489,969 km (0.046 R)
• M8: 4,248,430 km (0.09 R)
• M9: 4,498,707 km (0.062 R)
• M10: 5,224,406 km (0.098 R)
• M11: 7,430,975 km (0.101 R)
• M12: 9,627,670 km (0.12 R)
• M13: 12,680,963 km (0.036 R)
• M14: 13,954,938 km (0.111 R)
• M15: 15,842,863 km (0.064 R)
• M16: 20,683,252 km (0.103 R)
• M17: 21,477,916 km (0.074 R)
• M18: 24,539,586 km (0.063 R)
• M19: 31,512,492 km (0.098 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: 343 - 17,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit