🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 11.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.57 AU - 0.73 AU

Year: 355 Days

Day: 10.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,188,141 km

• M1: 146,756 km (0.092 R)
• M2: 545,434 km (0.094 R)
• M3: 1,073,664 km (0.068 R)
• M4: 1,513,482 km (0.038 R)
• M5: 1,975,589 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.7

Radius: 14.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.72 AU - 2.86 AU

Year: 2350 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,188,141 km

• M1: 185,352 km (0.048 R)
• M2: 677,080 km (0.075 R)
• M3: 1,171,202 km (0.079 R)
• M4: 1,668,615 km (0.098 R)
• M5: 3,556,989 km (0.116 R)
• M6: 4,341,031 km (0.048 R)
• M7: 5,523,303 km (0.12 R)
• M8: 6,335,320 km (0.056 R)
• M9: 6,882,549 km (0.115 R)
• M10: 8,009,769 km (0.077 R)
• M11: 8,950,291 km (0.043 R)
• M12: 11,325,905 km (0.097 R)
• M13: 11,847,553 km (0.119 R)
• M14: 12,427,095 km (0.081 R)
• M15: 13,777,964 km (0.115 R)
• M16: 15,467,373 km (0.12 R)
• M17: 16,160,460 km (0.05 R)
• M18: 16,770,968 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.6

Radius: 10.3

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.38 AU - 6.34 AU

Year: 8417 Days

Day: 10.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,188,141 km

• M1: 130,898 km (0.088 R)
• M2: 1,783,955 km (0.049 R)
• M3: 2,269,848 km (0.098 R)
• M4: 3,238,345 km (0.032 R)
• M5: 3,589,302 km (0.11 R)
• M6: 4,391,894 km (0.075 R)
• M7: 6,872,676 km (0.086 R)
• M8: 7,225,278 km (0.061 R)
• M9: 8,908,254 km (0.108 R)
• M10: 9,641,732 km (0.063 R)
• M11: 11,450,071 km (0.098 R)
• M12: 11,901,109 km (0.045 R)
• M13: 12,457,912 km (0.109 R)
• M14: 16,739,403 km (0.12 R)
• M15: 17,144,963 km (0.073 R)
• M16: 17,975,979 km (0.083 R)
• M17: 23,462,930 km (0.103 R)
• M18: 24,117,870 km (0.046 R)
• M19: 24,784,926 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.1

Radius: 4.7

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.67 AU - 8.51 AU

Year: 14183 Days

Day: 22.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,188,141 km

• M1: 109,057 km (0.051 R)
• M2: 279,150 km (0.12 R)
• M3: 441,912 km (0.091 R)
• M4: 722,707 km (0.105 R)
• M5: 1,104,481 km (0.066 R)
• M6: 1,269,936 km (0.102 R)
• M7: 2,291,391 km (0.076 R)
• M8: 2,562,761 km (0.104 R)
• M9: 2,716,099 km (0.096 R)
• M10: 3,368,944 km (0.079 R)
• M11: 4,332,055 km (0.081 R)
• M12: 4,662,068 km (0.069 R)
• M13: 6,050,336 km (0.109 R)
• M14: 7,305,014 km (0.038 R)
• M15: 11,410,727 km (0.071 R)
• M16: 17,167,702 km (0.114 R)
• M17: 18,842,600 km (0.089 R)
• M18: 19,204,776 km (0.117 R)
• M19: 19,350,933 km (0.104 R)
• M20: 23,919,802 km (0.077 R)
• M21: 25,648,106 km (0.086 R)
• M22: 27,643,742 km (0.112 R)
• M23: 29,545,430 km (0.07 R)
• M24: 31,027,795 km (0.077 R)
• M25: 31,532,688 km (0.115 R)
• M26: 35,660,692 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 13,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit