🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462

Radius: 15

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.42 AU - 0.7 AU

Year: 279 Days

Day: 8 Hours

Environment

Temp: -142 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,018,739 km

• M1: 186,698 km (0.114 R)
• M2: 710,590 km (0.066 R)
• M3: 1,221,915 km (0.067 R)
• M4: 2,009,997 km (0.119 R)
• M5: 2,562,911 km (0.064 R)
• M6: 3,236,999 km (0.054 R)
• M7: 3,794,251 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.2

Radius: 10.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.54 AU - 0.78 AU

Year: 358 Days

Day: 8.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,018,739 km

• M1: 135,685 km (0.088 R)
• M2: 889,509 km (0.082 R)
• M3: 1,419,833 km (0.076 R)
• M4: 1,772,136 km (0.08 R)
• M5: 2,250,550 km (0.118 R)
• M6: 3,125,698 km (0.039 R)
• M7: 3,490,717 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.5

Radius: 8.6

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.97 AU - 1.07 AU

Year: 687 Days

Day: 11.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,018,739 km

• M1: 106,962 km (0.085 R)
• M2: 420,370 km (0.094 R)
• M3: 709,094 km (0.085 R)
• M4: 976,874 km (0.084 R)
• M5: 1,356,105 km (0.106 R)
• M6: 1,720,376 km (0.116 R)
• M7: 2,810,944 km (0.091 R)
• M8: 3,587,955 km (0.062 R)
• M9: 3,861,869 km (0.108 R)
• M10: 4,786,234 km (0.104 R)
• M11: 5,831,475 km (0.095 R)
• M12: 6,355,815 km (0.118 R)
• M13: 7,178,454 km (0.104 R)
• M14: 7,568,605 km (0.104 R)
• M15: 7,924,648 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.5

Radius: 13.6

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.58 AU - 2.92 AU

Year: 3041 Days

Day: 7 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,018,739 km

• M1: 169,195 km (0.101 R)
• M2: 642,672 km (0.119 R)
• M3: 1,080,695 km (0.048 R)
• M4: 1,865,485 km (0.097 R)
• M5: 2,465,971 km (0.074 R)
• M6: 3,689,981 km (0.08 R)
• M7: 4,494,219 km (0.11 R)
• M8: 7,355,877 km (0.041 R)
• M9: 8,171,933 km (0.116 R)
• M10: 12,648,500 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.1

Radius: 13.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.39 AU - 3.67 AU

Year: 4423 Days

Day: 8.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,018,739 km

• M1: 172,935 km (0.092 R)
• M2: 788,979 km (0.111 R)
• M3: 1,279,810 km (0.101 R)
• M4: 2,753,648 km (0.042 R)
• M5: 6,301,960 km (0.098 R)
• M6: 6,821,065 km (0.106 R)
• M7: 8,736,665 km (0.085 R)
• M8: 11,562,719 km (0.03 R)
• M9: 15,327,798 km (0.104 R)
• M10: 16,044,970 km (0.1 R)
• M11: 17,487,243 km (0.064 R)
• M12: 18,516,177 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 11,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit