🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.63 AU - 0.71 AU

Year: 200 Days

Day: 47.5 Hours

Environment

Temp: 210 °C

Axial Tilt: 47.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.83 AU - 0.99 AU

Year: 317 Days

Day: 45 Hours

Environment

Temp: 131 °C

Axial Tilt: 44 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.9

Radius: 11.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.94 AU - 10.18 AU

Year: 9147 Days

Day: 14.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,706,091 km

• M1: 139,276 km (0.065 R)
• M2: 848,968 km (0.094 R)
• M3: 1,348,774 km (0.076 R)
• M4: 2,609,286 km (0.116 R)
• M5: 3,073,339 km (0.089 R)
• M6: 3,823,422 km (0.064 R)
• M7: 6,729,511 km (0.083 R)
• M8: 7,388,938 km (0.099 R)
• M9: 8,458,563 km (0.036 R)
• M10: 10,584,498 km (0.08 R)
• M11: 10,943,683 km (0.113 R)
• M12: 14,118,299 km (0.074 R)
• M13: 15,351,135 km (0.105 R)
• M14: 16,282,232 km (0.113 R)
• M15: 19,899,359 km (0.032 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.8

Radius: 3

Gravity: 99.2 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 15.05 AU - 15.73 AU

Year: 22052 Days

Day: 23.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,706,091 km

• M1: 37,399 km (0.063 R)
• M2: 387,010 km (0.096 R)
• M3: 645,515 km (0.109 R)
• M4: 779,106 km (0.09 R)
• M5: 906,264 km (0.067 R)
• M6: 1,802,056 km (0.082 R)
• M7: 2,244,866 km (0.096 R)
• M8: 3,053,143 km (0.086 R)
• M9: 3,166,239 km (0.079 R)
• M10: 4,750,780 km (0.099 R)
• M11: 5,216,478 km (0.075 R)
• M12: 6,059,462 km (0.119 R)
• M13: 20,561,928 km (0.08 R)
• M14: 23,390,375 km (0.063 R)
• M15: 26,467,454 km (0.061 R)
• M16: 27,917,655 km (0.082 R)
• M17: 41,311,302 km (0.096 R)
• M18: 44,087,390 km (0.037 R)
• M19: 49,285,019 km (0.109 R)
• M20: 50,007,427 km (0.111 R)
• M21: 50,737,015 km (0.118 R)
• M22: 75,103,517 km (0.094 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 20,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit