🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.47 AU - 0.59 AU

Year: 253 Days

Day: 19.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.49 AU - 0.77 AU

Year: 328 Days

Day: 40.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.8

Radius: 11

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.86 AU - 1.38 AU

Year: 778 Days

Day: 14.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,575,324 km

• M1: 136,882 km (0.08 R)
• M2: 534,214 km (0.102 R)
• M3: 1,519,914 km (0.082 R)
• M4: 3,203,190 km (0.068 R)
• M5: 4,087,911 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.9

Radius: 14.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.32 AU - 3.6 AU

Year: 3341 Days

Day: 9.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,575,324 km

• M1: 182,360 km (0.119 R)
• M2: 690,993 km (0.041 R)
• M3: 1,292,376 km (0.061 R)
• M4: 2,010,446 km (0.069 R)
• M5: 2,506,662 km (0.106 R)
• M6: 3,232,810 km (0.111 R)
• M7: 3,870,995 km (0.097 R)
• M8: 4,592,505 km (0.039 R)
• M9: 5,108,618 km (0.077 R)
• M10: 6,694,804 km (0.092 R)
• M11: 7,875,580 km (0.064 R)
• M12: 10,546,799 km (0.034 R)
• M13: 11,132,176 km (0.067 R)
• M14: 11,594,284 km (0.034 R)
• M15: 12,255,357 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.6

Radius: 4.3

Gravity: 43.3 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.14 AU - 9.56 AU

Year: 15828 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 97.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,575,324 km

• M1: 59,241 km (0.084 R)
• M2: 466,596 km (0.086 R)
• M3: 1,036,713 km (0.12 R)
• M4: 2,236,189 km (0.09 R)
• M5: 3,994,263 km (0.08 R)
• M6: 4,438,868 km (0.111 R)
• M7: 5,425,765 km (0.088 R)
• M8: 9,142,973 km (0.073 R)
• M9: 10,903,291 km (0.087 R)
• M10: 12,944,704 km (0.073 R)
• M11: 15,530,204 km (0.03 R)
• M12: 30,850,970 km (0.072 R)
• M13: 32,321,218 km (0.093 R)
• M14: 33,073,546 km (0.043 R)
• M15: 39,659,742 km (0.046 R)
• M16: 40,666,685 km (0.118 R)
• M17: 41,103,361 km (0.097 R)
• M18: 47,549,683 km (0.117 R)
• M19: 52,890,327 km (0.087 R)
• M20: 53,410,629 km (0.104 R)
• M21: 58,063,422 km (0.101 R)
• M22: 59,734,879 km (0.1 R)
• M23: 60,487,954 km (0.068 R)
• M24: 64,151,606 km (0.118 R)
• M25: 64,545,647 km (0.071 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: 364 - 17,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit