🌌 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 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.46 AU - 0.74 AU

Year: 300 Days

Day: 47.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,228,471 km

• M1: 493,972 km (0.045 R)
• M2: 661,522 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 12.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.85 AU - 0.97 AU

Year: 561 Days

Day: 14 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,228,471 km

• M1: 155,582 km (0.114 R)
• M2: 588,967 km (0.062 R)
• M3: 1,076,805 km (0.072 R)
• M4: 1,480,121 km (0.12 R)
• M5: 1,886,280 km (0.08 R)
• M6: 2,854,028 km (0.112 R)
• M7: 3,418,910 km (0.112 R)
• M8: 4,664,761 km (0.063 R)
• M9: 5,113,704 km (0.112 R)
• M10: 6,230,901 km (0.081 R)
• M11: 6,697,048 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.1

Radius: 12.2

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.91 AU - 1.23 AU

Year: 715 Days

Day: 14.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,228,471 km

• M1: 151,842 km (0.063 R)
• M2: 540,796 km (0.109 R)
• M3: 1,088,923 km (0.109 R)
• M4: 1,637,349 km (0.053 R)
• M5: 2,107,984 km (0.101 R)
• M6: 2,756,640 km (0.051 R)
• M7: 3,340,072 km (0.114 R)
• M8: 4,106,761 km (0.032 R)
• M9: 4,723,702 km (0.112 R)
• M10: 6,085,791 km (0.096 R)
• M11: 6,826,600 km (0.086 R)
• M12: 7,360,664 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.8

Radius: 7.3

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.79 AU - 9.81 AU

Year: 15439 Days

Day: 18.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,228,471 km

• M1: 93,050 km (0.113 R)
• M2: 337,642 km (0.111 R)
• M3: 598,990 km (0.076 R)
• M4: 1,444,068 km (0.03 R)
• M5: 2,065,498 km (0.082 R)
• M6: 3,266,320 km (0.063 R)
• M7: 4,358,384 km (0.119 R)
• M8: 4,719,663 km (0.102 R)
• M9: 5,100,839 km (0.084 R)
• M10: 6,794,735 km (0.066 R)
• M11: 7,747,225 km (0.072 R)
• M12: 14,329,830 km (0.05 R)
• M13: 15,748,168 km (0.08 R)
• M14: 17,183,859 km (0.035 R)
• M15: 19,739,888 km (0.103 R)
• M16: 20,066,011 km (0.084 R)
• M17: 22,627,725 km (0.107 R)
• M18: 23,619,260 km (0.119 R)
• M19: 24,451,772 km (0.097 R)
• M20: 25,785,437 km (0.046 R)
• M21: 26,273,276 km (0.088 R)
• M22: 30,726,206 km (0.073 R)
• M23: 36,998,545 km (0.102 R)
• M24: 37,994,867 km (0.05 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: 165 - 11,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit