🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.51 AU - 0.65 AU

Year: 194 Days

Day: 39.4 Hours

Environment

Temp: 14 °C

Axial Tilt: 124.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.78 AU - 1.12 AU

Year: 407 Days

Day: 43.4 Hours

Environment

Temp: -66 °C

Axial Tilt: 49.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.09 AU - 1.21 AU

Year: 542 Days

Day: 28.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.86 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.6

Radius: 13.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.44 AU - 2.7 AU

Year: 1812 Days

Day: 8.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,826,952 km

• M1: 169,195 km (0.069 R)
• M2: 660,774 km (0.061 R)
• M3: 1,105,977 km (0.064 R)
• M4: 1,632,861 km (0.117 R)
• M5: 2,180,688 km (0.092 R)
• M6: 2,617,215 km (0.1 R)
• M7: 3,070,048 km (0.11 R)
• M8: 4,050,811 km (0.054 R)
• M9: 4,624,070 km (0.091 R)
• M10: 7,222,136 km (0.11 R)
• M11: 8,013,958 km (0.09 R)
• M12: 8,659,622 km (0.043 R)
• M13: 9,158,980 km (0.115 R)
• M14: 9,615,403 km (0.104 R)
• M15: 10,312,529 km (0.06 R)
• M16: 10,840,460 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.7

Radius: 8.9

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.37 AU - 3.35 AU

Year: 2127 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,826,952 km

• M1: 112,946 km (0.078 R)
• M2: 399,576 km (0.093 R)
• M3: 684,560 km (0.101 R)
• M4: 1,335,610 km (0.12 R)
• M5: 1,715,888 km (0.077 R)
• M6: 2,366,938 km (0.116 R)
• M7: 2,865,697 km (0.086 R)
• M8: 3,650,338 km (0.116 R)
• M9: 5,086,328 km (0.104 R)
• M10: 5,515,973 km (0.032 R)
• M11: 6,152,811 km (0.095 R)
• M12: 6,980,685 km (0.085 R)
• M13: 8,755,515 km (0.087 R)
• M14: 9,729,397 km (0.104 R)
• M15: 11,403,098 km (0.107 R)
• M16: 13,709,448 km (0.085 R)
• M17: 16,006,075 km (0.067 R)
• M18: 16,412,233 km (0.078 R)
• M19: 16,773,362 km (0.068 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 12,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit