🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.47 AU - 0.61 AU

Year: 147 Days

Day: 47.6 Hours

Environment

Temp: 234 °C

Axial Tilt: 82.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.97 AU - 1.43 AU

Year: 488 Days

Day: 28.1 Hours

Environment

Temp: -16 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.51 AU - 1.75 AU

Year: 772 Days

Day: 20.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.98 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.59 AU - 5.05 AU

Year: 3330 Days

Day: 23.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.73 AU - 5.33 AU

Year: 3576 Days

Day: 17 Hours

Environment

Temp: -141 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,687,158 km

• M1: 51,162 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.7

Radius: 9.5

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.81 AU - 5.43 AU

Year: 3683 Days

Day: 5 Hours

Environment

Temp: -129 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,687,158 km

• M1: 118,182 km (0.025 R)
• M2: 544,835 km (0.055 R)
• M3: 1,182,272 km (0.119 R)
• M4: 1,610,720 km (0.115 R)
• M5: 1,927,868 km (0.079 R)
• M6: 2,815,133 km (0.071 R)
• M7: 3,228,023 km (0.079 R)
• M8: 3,815,494 km (0.092 R)
• M9: 4,135,035 km (0.119 R)
• M10: 4,559,743 km (0.107 R)
• M11: 5,521,957 km (0.059 R)
• M12: 6,171,959 km (0.095 R)
• M13: 6,670,719 km (0.059 R)
• M14: 7,256,394 km (0.116 R)
• M15: 7,971,771 km (0.098 R)
• M16: 8,463,200 km (0.119 R)
• M17: 8,836,297 km (0.073 R)
• M18: 9,255,770 km (0.104 R)
• M19: 11,597,425 km (0.034 R)
• M20: 13,560,149 km (0.043 R)
• M21: 13,977,827 km (0.078 R)
• M22: 16,719,058 km (0.066 R)
• M23: 19,329,990 km (0.091 R)

Asteroid Belt

Center: 8.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 11.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.3

Radius: 12.5

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 10.97 AU - 12.59 AU

Year: 14994 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,687,158 km

• M1: 156,479 km (0.1 R)
• M2: 665,860 km (0.076 R)
• M3: 1,337,555 km (0.106 R)
• M4: 7,256,095 km (0.111 R)
• M5: 8,759,255 km (0.079 R)
• M6: 10,873,820 km (0.045 R)
• M7: 11,359,116 km (0.107 R)
• M8: 12,049,959 km (0.095 R)
• M9: 13,654,695 km (0.111 R)
• M10: 15,549,352 km (0.094 R)
• M11: 16,879,277 km (0.09 R)
• M12: 17,284,538 km (0.041 R)
• M13: 18,199,030 km (0.114 R)
• M14: 22,182,223 km (0.091 R)
• M15: 26,712,196 km (0.108 R)
• M16: 31,824,404 km (0.032 R)
• M17: 33,451,281 km (0.112 R)
• M18: 48,678,848 km (0.091 R)
• M19: 49,999,199 km (0.063 R)
• M20: 65,535,087 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.3

Radius: 6.4

Gravity: 16.22 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 9.29 AU - 15.23 AU

Year: 15920 Days

Day: 18.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,687,158 km

• M1: 84,373 km (0.106 R)
• M2: 297,700 km (0.097 R)
• M3: 502,050 km (0.079 R)
• M4: 2,196,695 km (0.09 R)
• M5: 3,019,184 km (0.037 R)
• M6: 3,299,381 km (0.113 R)
• M7: 3,596,782 km (0.099 R)
• M8: 4,532,367 km (0.053 R)
• M9: 5,888,771 km (0.045 R)
• M10: 6,327,242 km (0.079 R)
• M11: 8,011,116 km (0.102 R)
• M12: 10,653,762 km (0.092 R)
• M13: 11,670,579 km (0.066 R)
• M14: 12,234,413 km (0.104 R)
• M15: 18,485,659 km (0.077 R)
• M16: 18,908,423 km (0.077 R)
• M17: 22,430,406 km (0.042 R)
• M18: 22,911,512 km (0.102 R)
• M19: 25,628,509 km (0.088 R)
• M20: 27,010,195 km (0.058 R)
• M21: 31,812,885 km (0.114 R)
• M22: 32,787,964 km (0.093 R)
• M23: 41,749,624 km (0.051 R)
• M24: 59,593,957 km (0.066 R)
• M25: 63,914,942 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 12,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit