🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.46 AU - 0.58 AU

Year: 136 Days

Day: 48 Hours

Environment

Temp: 180 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.46 AU - 0.74 AU

Year: 169 Days

Day: 26.2 Hours

Environment

Temp: 180 °C

Axial Tilt: 8.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.58 AU - 0.8 AU

Year: 208 Days

Day: 27.9 Hours

Environment

Temp: 211 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.99 AU - 1.03 AU

Year: 369 Days

Day: 12.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 36,082,887 km

• M1: 278,551 km (0.119 R)
• M2: 609,611 km (0.062 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.77 AU - 4.33 AU

Year: 2431 Days

Day: 27.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 12.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.7 AU - 7.38 AU

Year: 6789 Days

Day: 13 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,082,887 km

• M1: 158,125 km (0.05 R)
• M2: 702,512 km (0.034 R)
• M3: 1,109,418 km (0.103 R)
• M4: 1,920,388 km (0.084 R)
• M5: 2,892,325 km (0.116 R)
• M6: 3,917,220 km (0.062 R)
• M7: 5,474,684 km (0.114 R)
• M8: 8,584,524 km (0.115 R)
• M9: 9,948,558 km (0.1 R)
• M10: 11,373,777 km (0.082 R)
• M11: 14,120,842 km (0.092 R)
• M12: 17,702,814 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.5

Radius: 5.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 14.04 AU - 16.44 AU

Year: 21623 Days

Day: 16.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,082,887 km

• M1: 68,516 km (0.048 R)
• M2: 1,547,291 km (0.119 R)
• M3: 1,762,712 km (0.081 R)
• M4: 2,425,580 km (0.119 R)
• M5: 2,813,637 km (0.102 R)
• M6: 3,619,820 km (0.105 R)
• M7: 4,436,474 km (0.077 R)
• M8: 5,583,292 km (0.086 R)
• M9: 9,553,769 km (0.074 R)
• M10: 10,900,299 km (0.025 R)
• M11: 13,736,076 km (0.078 R)
• M12: 14,078,656 km (0.059 R)
• M13: 14,426,919 km (0.106 R)
• M14: 18,577,064 km (0.109 R)
• M15: 21,952,440 km (0.057 R)
• M16: 27,387,181 km (0.106 R)
• M17: 27,567,297 km (0.091 R)
• M18: 31,436,497 km (0.03 R)
• M19: 32,131,229 km (0.044 R)
• M20: 33,757,807 km (0.032 R)
• M21: 35,438,539 km (0.094 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 11,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit