🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.53 AU - 0.67 AU

Year: 178 Days

Day: 18.6 Hours

Environment

Temp: 194 °C

Axial Tilt: 102.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.58 AU - 0.94 AU

Year: 254 Days

Day: 28.6 Hours

Environment

Temp: 112 °C

Axial Tilt: 2.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.6

Radius: 8.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.36 AU - 5.64 AU

Year: 4281 Days

Day: 11.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,416,488 km

• M1: 106,962 km (0.11 R)
• M2: 513,869 km (0.098 R)
• M3: 1,055,862 km (0.088 R)
• M4: 1,327,232 km (0.101 R)
• M5: 1,849,329 km (0.113 R)
• M6: 4,279,247 km (0.104 R)
• M7: 5,502,210 km (0.087 R)
• M8: 6,893,470 km (0.045 R)
• M9: 8,855,596 km (0.082 R)
• M10: 9,215,528 km (0.077 R)
• M11: 9,710,547 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.3

Radius: 14.4

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.44 AU - 7.86 AU

Year: 8101 Days

Day: 7.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,416,488 km

• M1: 179,069 km (0.108 R)
• M2: 652,247 km (0.045 R)
• M3: 1,105,528 km (0.119 R)
• M4: 1,794,726 km (0.087 R)
• M5: 3,986,783 km (0.09 R)
• M6: 4,735,521 km (0.105 R)
• M7: 5,330,172 km (0.066 R)
• M8: 6,765,265 km (0.077 R)
• M9: 8,045,373 km (0.037 R)
• M10: 8,593,201 km (0.112 R)
• M11: 10,731,403 km (0.096 R)
• M12: 14,869,729 km (0.08 R)
• M13: 16,207,733 km (0.119 R)
• M14: 21,876,295 km (0.069 R)
• M15: 22,729,900 km (0.119 R)
• M16: 25,893,297 km (0.08 R)
• M17: 27,090,978 km (0.101 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 10,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit