🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.64 AU - 0.66 AU

Year: 186 Days

Day: 24.4 Hours

Environment

Temp: 156 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.53 AU - 1.73 AU

Year: 738 Days

Day: 25.1 Hours

Environment

Temp: -25 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.41 AU - 2.01 AU

Year: 793 Days

Day: 47.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,844,267 km

• M1: 37,549 km (0.12 R)
• M2: 1,090,120 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.5

Radius: 11.1

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.54 AU - 9.54 AU

Year: 8088 Days

Day: 6.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,844,267 km

• M1: 139,425 km (0.087 R)
• M2: 576,849 km (0.096 R)
• M3: 940,223 km (0.104 R)
• M4: 1,300,903 km (0.086 R)
• M5: 1,654,253 km (0.083 R)
• M6: 2,039,318 km (0.102 R)
• M7: 2,409,274 km (0.091 R)
• M8: 3,149,783 km (0.065 R)
• M9: 4,062,629 km (0.061 R)
• M10: 4,834,106 km (0.119 R)
• M11: 5,335,707 km (0.073 R)
• M12: 8,428,643 km (0.102 R)
• M13: 9,488,694 km (0.08 R)
• M14: 11,928,336 km (0.102 R)
• M15: 13,627,020 km (0.102 R)
• M16: 17,498,463 km (0.052 R)
• M17: 23,341,307 km (0.05 R)
• M18: 27,134,660 km (0.078 R)
• M19: 29,330,607 km (0.113 R)
• M20: 31,213,446 km (0.098 R)
• M21: 32,293,692 km (0.092 R)
• M22: 37,223,840 km (0.083 R)
• M23: 39,930,364 km (0.073 R)
• M24: 44,773,895 km (0.073 R)
• M25: 45,319,927 km (0.057 R)
• M26: 46,844,329 km (0.09 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 16,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit