🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.6 AU - 0.8 AU

Year: 206 Days

Day: 42.5 Hours

Environment

Temp: 183 °C

Axial Tilt: 16.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.12 AU - 1.28 AU

Year: 462 Days

Day: 34.8 Hours

Environment

Temp: 36 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.41 AU - 1.59 AU

Year: 646 Days

Day: 33.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 28.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.53 AU - 1.87 AU

Year: 779 Days

Day: 16.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,274,714 km

• M1: 36,352 km (0.045 R)

Asteroid Belt

Center: 2.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.56 AU - 4.56 AU

Year: 2875 Days

Day: 41.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,274,714 km

• M1: 2,192,357 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.2

Radius: 10.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.76 AU - 8.72 AU

Year: 7568 Days

Day: 6.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,274,714 km

• M1: 294,558 km (0.076 R)
• M2: 787,034 km (0.118 R)
• M3: 1,496,876 km (0.093 R)
• M4: 1,936,544 km (0.116 R)
• M5: 4,219,258 km (0.074 R)
• M6: 5,688,309 km (0.05 R)
• M7: 9,472,836 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.5

Radius: 4.2

Gravity: 43.51 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 13.05 AU - 14.77 AU

Year: 18233 Days

Day: 23.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,274,714 km

• M1: 52,359 km (0.087 R)
• M2: 219,161 km (0.118 R)
• M3: 637,437 km (0.118 R)
• M4: 991,535 km (0.099 R)
• M5: 1,240,466 km (0.116 R)
• M6: 1,919,939 km (0.096 R)
• M7: 2,996,445 km (0.049 R)
• M8: 3,813,250 km (0.051 R)
• M9: 4,559,145 km (0.1 R)
• M10: 4,875,993 km (0.06 R)
• M11: 5,095,154 km (0.105 R)
• M12: 5,320,897 km (0.077 R)
• M13: 6,551,340 km (0.114 R)
• M14: 7,139,110 km (0.031 R)
• M15: 7,860,022 km (0.115 R)
• M16: 11,169,276 km (0.1 R)
• M17: 12,071,950 km (0.096 R)
• M18: 13,803,096 km (0.099 R)
• M19: 14,614,665 km (0.063 R)
• M20: 17,239,509 km (0.083 R)
• M21: 17,577,600 km (0.077 R)
• M22: 18,974,396 km (0.082 R)
• M23: 20,162,352 km (0.114 R)
• M24: 20,822,228 km (0.063 R)
• M25: 24,232,910 km (0.119 R)
• M26: 26,180,974 km (0.073 R)
• M27: 35,424,028 km (0.095 R)
• M28: 36,107,690 km (0.077 R)
• M29: 44,376,264 km (0.065 R)
• M30: 47,942,228 km (0.106 R)
• M31: 50,136,530 km (0.104 R)
• M32: 52,396,953 km (0.114 R)
• M33: 53,821,275 km (0.078 R)
• M34: 58,818,592 km (0.106 R)
• M35: 69,936,855 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.6

Radius: 4.3

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 11.75 AU - 16.59 AU

Year: 18747 Days

Day: 23.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,274,714 km

• M1: 53,556 km (0.112 R)
• M2: 361,578 km (0.118 R)
• M3: 1,177,186 km (0.048 R)
• M4: 2,015,233 km (0.102 R)
• M5: 2,151,217 km (0.112 R)
• M6: 2,480,034 km (0.095 R)
• M7: 4,442,608 km (0.107 R)
• M8: 5,098,445 km (0.075 R)
• M9: 5,256,121 km (0.115 R)
• M10: 7,251,458 km (0.057 R)
• M11: 9,749,293 km (0.11 R)
• M12: 14,580,556 km (0.054 R)
• M13: 15,614,727 km (0.057 R)
• M14: 16,285,374 km (0.094 R)
• M15: 17,540,650 km (0.103 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 19,107 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit