🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.42 AU - 0.62 AU

Year: 246 Days

Day: 37.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.7

Radius: 14.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.78 AU - 1.06 AU

Year: 579 Days

Day: 7.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,368,245 km

• M1: 181,612 km (0.059 R)
• M2: 910,303 km (0.093 R)
• M3: 1,463,815 km (0.031 R)
• M4: 2,049,192 km (0.118 R)
• M5: 2,899,656 km (0.112 R)
• M6: 3,493,260 km (0.094 R)
• M7: 3,962,848 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.2

Radius: 6.4

Gravity: 18.83 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.99 AU - 8.29 AU

Year: 15235 Days

Day: 23.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,368,245 km

• M1: 79,586 km (0.069 R)
• M2: 365,168 km (0.113 R)
• M3: 840,740 km (0.069 R)
• M4: 1,895,854 km (0.109 R)
• M5: 6,540,120 km (0.041 R)
• M6: 7,743,036 km (0.107 R)
• M7: 8,223,844 km (0.084 R)
• M8: 11,050,795 km (0.114 R)
• M9: 14,181,280 km (0.084 R)
• M10: 15,269,155 km (0.078 R)
• M11: 20,722,746 km (0.105 R)
• M12: 23,581,561 km (0.103 R)
• M13: 25,208,887 km (0.087 R)
• M14: 25,627,013 km (0.089 R)
• M15: 25,943,861 km (0.027 R)
• M16: 27,018,273 km (0.12 R)
• M17: 27,566,549 km (0.081 R)
• M18: 28,798,787 km (0.094 R)
• M19: 29,486,189 km (0.076 R)
• M20: 49,282,176 km (0.112 R)
• M21: 56,617,109 km (0.1 R)
• M22: 60,449,956 km (0.077 R)

Asteroid Belt

Center: 8.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.8

Radius: 3

Gravity: 36.53 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.76 AU - 10.38 AU

Year: 17919 Days

Day: 21.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,368,245 km

• M1: 176,525 km (0.117 R)
• M2: 737,218 km (0.088 R)
• M3: 1,669,811 km (0.06 R)
• M4: 3,294,295 km (0.088 R)
• M5: 3,421,453 km (0.057 R)
• M6: 5,387,917 km (0.104 R)
• M7: 7,205,681 km (0.113 R)
• M8: 10,611,276 km (0.091 R)
• M9: 10,832,980 km (0.103 R)
• M10: 11,988,773 km (0.091 R)
• M11: 12,168,889 km (0.101 R)
• M12: 12,411,986 km (0.065 R)
• M13: 15,302,815 km (0.052 R)
• M14: 16,309,010 km (0.047 R)
• M15: 16,753,466 km (0.108 R)
• M16: 18,372,563 km (0.117 R)
• M17: 21,035,555 km (0.047 R)
• M18: 22,824,297 km (0.114 R)
• M19: 25,495,068 km (0.071 R)
• M20: 29,442,507 km (0.106 R)
• M21: 33,658,923 km (0.064 R)
• M22: 49,759,393 km (0.106 R)
• M23: 49,914,227 km (0.082 R)
• M24: 50,224,643 km (0.063 R)
• M25: 51,321,345 km (0.07 R)
• M26: 51,955,041 km (0.063 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 14,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit