🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.9

Radius: 9.8

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.57 AU - 0.91 AU

Year: 432 Days

Day: 6.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 10,570,082 km

• M1: 121,922 km (0.117 R)
• M2: 710,889 km (0.05 R)
• M3: 1,366,876 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.4

Radius: 10.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.75 AU - 1.25 AU

Year: 678 Days

Day: 8.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 10,570,082 km

• M1: 125,662 km (0.026 R)
• M2: 469,289 km (0.041 R)
• M3: 1,215,483 km (0.068 R)
• M4: 1,723,966 km (0.085 R)
• M5: 2,147,029 km (0.1 R)
• M6: 2,822,463 km (0.073 R)
• M7: 3,204,536 km (0.074 R)
• M8: 4,534,760 km (0.115 R)
• M9: 4,861,183 km (0.089 R)
• M10: 5,219,320 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.5

Radius: 8.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.21 AU - 1.23 AU

Year: 914 Days

Day: 12.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,570,082 km

• M1: 104,419 km (0.091 R)
• M2: 471,532 km (0.057 R)
• M3: 743,950 km (0.093 R)
• M4: 1,523,056 km (0.083 R)
• M5: 1,798,615 km (0.109 R)
• M6: 2,148,973 km (0.087 R)
• M7: 2,480,034 km (0.109 R)
• M8: 3,051,049 km (0.082 R)
• M9: 3,356,827 km (0.116 R)
• M10: 4,094,494 km (0.102 R)
• M11: 4,704,853 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.3

Radius: 13.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.34 AU - 1.74 AU

Year: 1296 Days

Day: 14 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,570,082 km

• M1: 172,935 km (0.088 R)
• M2: 797,357 km (0.108 R)
• M3: 1,265,748 km (0.1 R)
• M4: 1,858,903 km (0.081 R)
• M5: 2,694,706 km (0.118 R)
• M6: 3,234,306 km (0.099 R)
• M7: 3,784,527 km (0.081 R)
• M8: 4,279,247 km (0.083 R)
• M9: 4,763,196 km (0.045 R)
• M10: 5,821,751 km (0.106 R)
• M11: 7,340,917 km (0.119 R)
• M12: 7,885,005 km (0.1 R)
• M13: 9,975,784 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.6

Radius: 12.4

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.58 AU - 2.26 AU

Year: 1804 Days

Day: 11.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 10,570,082 km

• M1: 154,385 km (0.038 R)
• M2: 686,056 km (0.042 R)
• M3: 1,181,374 km (0.116 R)
• M4: 1,661,434 km (0.084 R)
• M5: 2,721,634 km (0.115 R)
• M6: 4,443,805 km (0.088 R)
• M7: 6,283,709 km (0.107 R)
• M8: 9,748,994 km (0.114 R)
• M9: 10,322,103 km (0.102 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 19,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit