🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.51 AU - 0.55 AU

Year: 141 Days

Day: 12.5 Hours

Environment

Temp: 187 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.21 AU - 1.71 AU

Year: 644 Days

Day: 28.4 Hours

Environment

Temp: -33 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.38 AU - 3.24 AU

Year: 1720 Days

Day: 15 Hours

Environment

Temp: -101 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.94 AU - 3.98 AU

Year: 2878 Days

Day: 20.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,683,933 km

• M1: 37,399 km (0.086 R)

Asteroid Belt

Center: 4.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 14

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.29 AU - 6.39 AU

Year: 4507 Days

Day: 14.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,683,933 km

• M1: 174,132 km (0.102 R)
• M2: 801,097 km (0.099 R)
• M3: 1,263,653 km (0.044 R)
• M4: 1,739,973 km (0.045 R)
• M5: 2,774,891 km (0.079 R)
• M6: 3,422,350 km (0.105 R)
• M7: 4,169,442 km (0.081 R)
• M8: 5,782,556 km (0.055 R)
• M9: 6,768,855 km (0.063 R)
• M10: 8,005,730 km (0.095 R)
• M11: 9,612,112 km (0.116 R)
• M12: 10,924,983 km (0.117 R)
• M13: 11,533,397 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 11.2

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.2 AU - 8.02 AU

Year: 6207 Days

Day: 10.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,683,933 km

• M1: 142,716 km (0.106 R)
• M2: 821,143 km (0.062 R)
• M3: 1,769,444 km (0.093 R)
• M4: 2,140,895 km (0.102 R)
• M5: 3,253,305 km (0.1 R)
• M6: 5,055,361 km (0.112 R)
• M7: 6,138,449 km (0.041 R)
• M8: 6,966,474 km (0.071 R)
• M9: 7,332,689 km (0.082 R)
• M10: 9,450,097 km (0.06 R)
• M11: 14,437,990 km (0.106 R)
• M12: 16,861,326 km (0.101 R)

Asteroid Belt

Center: 9.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.6

Radius: 3.3

Gravity: 51.94 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 9.43 AU - 15.71 AU

Year: 16278 Days

Day: 19.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,683,933 km

• M1: 41,588 km (0.102 R)
• M2: 211,681 km (0.051 R)
• M3: 357,389 km (0.104 R)
• M4: 481,107 km (0.028 R)
• M5: 739,911 km (0.057 R)
• M6: 1,840,353 km (0.106 R)
• M7: 2,966,526 km (0.09 R)
• M8: 4,389,950 km (0.061 R)
• M9: 4,550,169 km (0.08 R)
• M10: 7,446,982 km (0.051 R)
• M11: 8,145,155 km (0.089 R)
• M12: 8,436,273 km (0.079 R)
• M13: 12,048,912 km (0.045 R)
• M14: 13,073,956 km (0.074 R)
• M15: 15,590,043 km (0.036 R)
• M16: 17,356,046 km (0.113 R)
• M17: 17,918,833 km (0.063 R)
• M18: 20,736,808 km (0.063 R)
• M19: 25,342,029 km (0.061 R)
• M20: 29,550,815 km (0.116 R)
• M21: 34,202,262 km (0.084 R)
• M22: 34,327,625 km (0.104 R)
• M23: 36,504,573 km (0.097 R)
• M24: 37,426,994 km (0.03 R)
• M25: 39,044,446 km (0.118 R)
• M26: 42,852,908 km (0.103 R)
• M27: 60,561,556 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.3

Radius: 7.5

Gravity: 14.51 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 11.09 AU - 18.48 AU

Year: 20754 Days

Day: 24.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,683,933 km

• M1: 93,648 km (0.108 R)
• M2: 425,307 km (0.103 R)
• M3: 1,682,976 km (0.112 R)
• M4: 3,254,202 km (0.068 R)
• M5: 9,284,343 km (0.082 R)
• M6: 9,869,570 km (0.115 R)
• M7: 10,479,181 km (0.074 R)
• M8: 12,669,593 km (0.12 R)
• M9: 17,666,611 km (0.088 R)
• M10: 18,201,723 km (0.043 R)
• M11: 18,656,051 km (0.117 R)
• M12: 22,879,648 km (0.092 R)
• M13: 28,300,626 km (0.038 R)
• M14: 39,892,965 km (0.097 R)
• M15: 43,177,536 km (0.098 R)
• M16: 44,803,216 km (0.045 R)
• M17: 47,659,787 km (0.108 R)
• M18: 48,349,134 km (0.118 R)
• M19: 49,747,725 km (0.112 R)
• M20: 63,570,418 km (0.116 R)
• M21: 70,458,204 km (0.05 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 17,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit