🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 11.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.54 AU - 0.66 AU

Year: 315 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,396,685 km

• M1: 143,016 km (0.12 R)
• M2: 534,663 km (0.098 R)
• M3: 934,687 km (0.112 R)
• M4: 1,303,297 km (0.097 R)
• M5: 2,308,295 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.2

Radius: 10.1

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.18 AU - 1.56 AU

Year: 1088 Days

Day: 10.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 64.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,396,685 km

• M1: 125,662 km (0.106 R)
• M2: 468,690 km (0.109 R)
• M3: 958,922 km (0.117 R)
• M4: 1,400,086 km (0.12 R)
• M5: 2,266,258 km (0.119 R)
• M6: 2,897,412 km (0.087 R)
• M7: 3,350,693 km (0.061 R)
• M8: 3,673,376 km (0.076 R)
• M9: 4,000,247 km (0.102 R)
• M10: 4,637,833 km (0.114 R)
• M11: 6,206,068 km (0.072 R)
• M12: 6,671,915 km (0.11 R)
• M13: 7,236,199 km (0.104 R)
• M14: 7,752,461 km (0.05 R)
• M15: 8,975,124 km (0.115 R)
• M16: 10,035,923 km (0.066 R)
• M17: 10,943,234 km (0.071 R)
• M18: 11,868,945 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 14.2

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.01 AU - 2.77 AU

Year: 2506 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,396,685 km

• M1: 178,171 km (0.093 R)
• M2: 654,491 km (0.107 R)
• M3: 1,958,087 km (0.092 R)
• M4: 2,419,746 km (0.07 R)
• M5: 3,235,802 km (0.09 R)
• M6: 3,691,477 km (0.118 R)
• M7: 7,456,556 km (0.069 R)
• M8: 8,825,975 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.2

Radius: 6.3

Gravity: 21.14 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.9 AU - 9.84 AU

Year: 16424 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,396,685 km

• M1: 84,373 km (0.114 R)
• M2: 300,243 km (0.081 R)
• M3: 544,686 km (0.102 R)
• M4: 869,164 km (0.07 R)
• M5: 1,247,048 km (0.032 R)
• M6: 1,513,482 km (0.112 R)
• M7: 1,890,767 km (0.12 R)
• M8: 2,906,238 km (0.096 R)
• M9: 3,350,693 km (0.107 R)
• M10: 4,116,634 km (0.118 R)
• M11: 5,828,183 km (0.105 R)
• M12: 7,295,439 km (0.112 R)
• M13: 7,530,158 km (0.072 R)
• M14: 7,916,420 km (0.1 R)
• M15: 8,164,453 km (0.1 R)
• M16: 8,623,868 km (0.086 R)
• M17: 9,594,609 km (0.119 R)
• M18: 10,635,960 km (0.041 R)
• M19: 10,938,297 km (0.071 R)
• M20: 13,147,409 km (0.112 R)
• M21: 16,107,502 km (0.106 R)
• M22: 17,157,829 km (0.041 R)
• M23: 20,769,121 km (0.103 R)
• M24: 21,720,863 km (0.11 R)
• M25: 22,305,791 km (0.066 R)
• M26: 24,331,495 km (0.09 R)
• M27: 28,165,838 km (0.117 R)
• M28: 37,421,159 km (0.094 R)
• M29: 39,545,000 km (0.082 R)
• M30: 42,198,268 km (0.09 R)
• M31: 46,718,517 km (0.048 R)
• M32: 49,848,853 km (0.087 R)
• M33: 58,373,987 km (0.101 R)
• M34: 61,224,873 km (0.09 R)
• M35: 64,967,513 km (0.072 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: 452 - 17,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit