🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.47 AU - 0.57 AU

Year: 144 Days

Day: 38.6 Hours

Environment

Temp: 220 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.1 AU - 2.86 AU

Year: 1495 Days

Day: 33.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.46 AU - 3.46 AU

Year: 1950 Days

Day: 29.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923

Radius: 12.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.78 AU - 4.78 AU

Year: 4001 Days

Day: 5.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,061,427 km

• M1: 156,779 km (0.11 R)
• M2: 784,342 km (0.115 R)
• M3: 1,393,055 km (0.112 R)
• M4: 3,499,842 km (0.05 R)
• M5: 4,246,934 km (0.119 R)
• M6: 4,836,200 km (0.082 R)
• M7: 6,149,071 km (0.117 R)
• M8: 6,551,190 km (0.073 R)
• M9: 7,722,242 km (0.045 R)
• M10: 10,175,198 km (0.108 R)
• M11: 10,651,518 km (0.093 R)
• M12: 11,097,469 km (0.116 R)
• M13: 12,267,025 km (0.108 R)
• M14: 13,987,551 km (0.117 R)
• M15: 15,407,833 km (0.085 R)
• M16: 16,445,892 km (0.117 R)
• M17: 21,419,573 km (0.114 R)
• M18: 22,275,721 km (0.064 R)
• M19: 25,929,949 km (0.073 R)
• M20: 27,564,156 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.7

Radius: 4.2

Gravity: 24.59 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 17.24 AU - 20 AU

Year: 30764 Days

Day: 19.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,061,427 km

• M1: 52,359 km (0.093 R)
• M2: 1,300,753 km (0.115 R)
• M3: 1,982,770 km (0.08 R)
• M4: 4,940,619 km (0.118 R)
• M5: 5,134,498 km (0.091 R)
• M6: 6,406,978 km (0.118 R)
• M7: 7,413,622 km (0.049 R)
• M8: 7,980,897 km (0.111 R)
• M9: 9,377,243 km (0.113 R)
• M10: 9,978,627 km (0.084 R)
• M11: 10,863,199 km (0.106 R)
• M12: 12,570,859 km (0.092 R)
• M13: 16,593,545 km (0.117 R)
• M14: 18,288,040 km (0.101 R)
• M15: 22,648,070 km (0.119 R)
• M16: 26,574,416 km (0.05 R)
• M17: 31,193,849 km (0.077 R)
• M18: 32,799,632 km (0.114 R)
• M19: 41,820,833 km (0.093 R)
• M20: 43,770,841 km (0.115 R)
• M21: 51,992,142 km (0.09 R)
• M22: 55,781,904 km (0.052 R)
• M23: 59,955,087 km (0.064 R)
• M24: 60,363,040 km (0.069 R)
• M25: 60,772,789 km (0.11 R)
• M26: 61,597,970 km (0.026 R)
• M27: 72,320,697 km (0.097 R)
• M28: 78,484,877 km (0.117 R)
• M29: 82,195,503 km (0.037 R)
• M30: 85,762,814 km (0.107 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 19,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit