🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506

Radius: 10

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.67 AU - 0.79 AU

Year: 423 Days

Day: 9.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,557,670 km

• M1: 124,316 km (0.036 R)
• M2: 688,898 km (0.098 R)
• M3: 1,065,586 km (0.1 R)
• M4: 1,548,039 km (0.106 R)
• M5: 1,978,282 km (0.113 R)
• M6: 2,405,833 km (0.084 R)
• M7: 3,146,941 km (0.111 R)
• M8: 3,483,386 km (0.036 R)
• M9: 4,242,446 km (0.054 R)
• M10: 4,569,916 km (0.101 R)
• M11: 5,260,609 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.5

Radius: 14.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.1 AU - 1.24 AU

Year: 858 Days

Day: 11.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,557,670 km

• M1: 185,352 km (0.075 R)
• M2: 772,224 km (0.077 R)
• M3: 1,621,043 km (0.111 R)
• M4: 2,569,044 km (0.051 R)
• M5: 3,716,460 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.5

Radius: 8.2

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.23 AU - 1.99 AU

Year: 1386 Days

Day: 7.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,557,670 km

• M1: 102,026 km (0.066 R)
• M2: 376,388 km (0.102 R)
• M3: 660,774 km (0.063 R)
• M4: 984,952 km (0.07 R)
• M5: 1,708,557 km (0.092 R)
• M6: 2,433,060 km (0.113 R)
• M7: 2,747,664 km (0.093 R)
• M8: 3,317,034 km (0.091 R)
• M9: 3,588,703 km (0.12 R)
• M10: 3,945,045 km (0.07 R)
• M11: 4,991,632 km (0.096 R)
• M12: 5,724,961 km (0.119 R)
• M13: 6,652,468 km (0.056 R)
• M14: 7,218,097 km (0.069 R)
• M15: 8,241,048 km (0.078 R)
• M16: 8,592,752 km (0.076 R)
• M17: 11,851,293 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.6

Radius: 4.9

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.2 AU - 8.1 AU

Year: 11631 Days

Day: 17.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,557,670 km

• M1: 71,807 km (0.11 R)
• M2: 319,242 km (0.084 R)
• M3: 641,775 km (0.043 R)
• M4: 1,034,170 km (0.103 R)
• M5: 1,404,275 km (0.081 R)
• M6: 1,654,702 km (0.07 R)
• M7: 2,211,206 km (0.073 R)
• M8: 2,458,342 km (0.11 R)
• M9: 3,071,543 km (0.104 R)
• M10: 3,425,492 km (0.115 R)
• M11: 3,636,126 km (0.051 R)
• M12: 5,841,797 km (0.094 R)
• M13: 6,560,764 km (0.055 R)
• M14: 7,184,587 km (0.098 R)
• M15: 7,687,835 km (0.112 R)
• M16: 8,894,341 km (0.084 R)
• M17: 10,463,324 km (0.028 R)
• M18: 11,623,755 km (0.067 R)
• M19: 11,887,047 km (0.087 R)
• M20: 12,370,697 km (0.034 R)
• M21: 13,262,898 km (0.098 R)
• M22: 18,304,047 km (0.103 R)
• M23: 18,588,732 km (0.118 R)
• M24: 20,207,531 km (0.04 R)
• M25: 21,997,918 km (0.08 R)
• M26: 26,339,697 km (0.08 R)
• M27: 30,516,619 km (0.104 R)
• M28: 32,138,859 km (0.057 R)
• M29: 32,971,072 km (0.103 R)
• M30: 33,286,873 km (0.095 R)
• M31: 34,896,097 km (0.074 R)
• M32: 35,114,360 km (0.118 R)
• M33: 38,851,016 km (0.095 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 17,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit