🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.85 AU - 0.93 AU

Year: 298 Days

Day: 43.7 Hours

Environment

Temp: 127 °C

Axial Tilt: 26.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,883,222 km

• M1: 344,524 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.16 AU - 2.52 AU

Year: 1270 Days

Day: 39.4 Hours

Environment

Temp: -80 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,883,222 km

• M1: 265,536 km (0.094 R)

Asteroid Belt

Center: 4.62 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.1

Radius: 12

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6 AU - 7.8 AU

Year: 6430 Days

Day: 10.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,883,222 km

• M1: 149,299 km (0.091 R)
• M2: 597,643 km (0.059 R)
• M3: 1,243,906 km (0.091 R)
• M4: 2,010,895 km (0.077 R)
• M5: 2,764,718 km (0.066 R)
• M6: 4,496,014 km (0.06 R)
• M7: 6,715,598 km (0.089 R)
• M8: 7,126,394 km (0.095 R)
• M9: 8,031,311 km (0.058 R)
• M10: 10,298,317 km (0.087 R)
• M11: 11,872,685 km (0.076 R)
• M12: 14,309,784 km (0.072 R)
• M13: 15,291,745 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.7

Radius: 8.1

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.25 AU - 10.21 AU

Year: 9151 Days

Day: 12.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,883,222 km

• M1: 112,348 km (0.102 R)
• M2: 386,262 km (0.105 R)
• M3: 816,655 km (0.099 R)
• M4: 1,398,740 km (0.047 R)
• M5: 1,816,866 km (0.038 R)
• M6: 2,333,428 km (0.059 R)
• M7: 2,654,465 km (0.102 R)
• M8: 3,045,663 km (0.102 R)
• M9: 3,565,516 km (0.105 R)
• M10: 3,846,909 km (0.093 R)
• M11: 4,168,545 km (0.098 R)
• M12: 4,508,132 km (0.076 R)
• M13: 5,515,075 km (0.076 R)
• M14: 6,321,108 km (0.059 R)
• M15: 6,912,618 km (0.119 R)
• M16: 7,389,387 km (0.075 R)
• M17: 7,770,861 km (0.103 R)
• M18: 8,490,726 km (0.101 R)
• M19: 11,564,514 km (0.11 R)
• M20: 16,827,816 km (0.109 R)
• M21: 17,825,783 km (0.111 R)
• M22: 25,596,644 km (0.113 R)
• M23: 26,382,482 km (0.112 R)
• M24: 27,184,177 km (0.06 R)
• M25: 31,043,353 km (0.052 R)
• M26: 32,847,354 km (0.051 R)
• M27: 34,826,235 km (0.048 R)

Kuiper Belt

Range: 30.9 - 55.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 19,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit