🌌 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): 0.186

Orbit Range: 0.42 AU - 0.62 AU

Year: 138 Days

Day: 37.6 Hours

Environment

Temp: 227 °C

Axial Tilt: 49.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,868,204 km

• M1: 25,432 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.11 AU - 1.21 AU

Year: 459 Days

Day: 13.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 37.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.1

Radius: 15

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.81 AU - 7.07 AU

Year: 5314 Days

Day: 8.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,868,204 km

• M1: 189,690 km (0.089 R)
• M2: 784,491 km (0.052 R)
• M3: 1,899,444 km (0.088 R)
• M4: 2,686,179 km (0.106 R)
• M5: 3,890,741 km (0.119 R)
• M6: 5,826,388 km (0.115 R)
• M7: 7,275,244 km (0.055 R)
• M8: 7,871,840 km (0.076 R)
• M9: 10,592,876 km (0.093 R)
• M10: 11,165,536 km (0.084 R)
• M11: 12,901,470 km (0.113 R)
• M12: 15,589,295 km (0.052 R)
• M13: 18,631,517 km (0.113 R)
• M14: 21,591,909 km (0.101 R)
• M15: 25,441,212 km (0.052 R)
• M16: 28,521,432 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 11.4

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.78 AU - 9.28 AU

Year: 9145 Days

Day: 10.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 113.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,868,204 km

• M1: 142,567 km (0.053 R)
• M2: 645,814 km (0.072 R)
• M3: 1,414,448 km (0.102 R)
• M4: 1,871,918 km (0.049 R)
• M5: 2,862,705 km (0.09 R)
• M6: 3,403,052 km (0.08 R)
• M7: 4,173,631 km (0.054 R)
• M8: 4,712,034 km (0.083 R)
• M9: 5,772,234 km (0.083 R)
• M10: 10,672,013 km (0.054 R)
• M11: 13,472,784 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.7

Radius: 3.1

Gravity: 81.65 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 13.34 AU - 17.3 AU

Year: 22012 Days

Day: 23.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,868,204 km

• M1: 38,596 km (0.026 R)
• M2: 148,401 km (0.086 R)
• M3: 247,285 km (0.088 R)
• M4: 638,933 km (0.115 R)
• M5: 1,057,208 km (0.096 R)
• M6: 1,240,765 km (0.099 R)
• M7: 1,396,047 km (0.111 R)
• M8: 1,512,434 km (0.036 R)
• M9: 2,107,535 km (0.065 R)
• M10: 4,841,885 km (0.031 R)
• M11: 5,386,571 km (0.118 R)
• M12: 5,508,493 km (0.109 R)
• M13: 8,567,769 km (0.088 R)
• M14: 8,733,823 km (0.044 R)
• M15: 9,597,003 km (0.069 R)
• M16: 10,265,107 km (0.091 R)
• M17: 10,898,803 km (0.109 R)
• M18: 11,558,081 km (0.073 R)
• M19: 18,453,496 km (0.029 R)
• M20: 30,786,494 km (0.088 R)
• M21: 31,306,945 km (0.098 R)
• M22: 31,700,986 km (0.079 R)
• M23: 40,760,932 km (0.115 R)
• M24: 43,471,346 km (0.094 R)
• M25: 43,961,728 km (0.105 R)
• M26: 47,326,184 km (0.092 R)
• M27: 61,467,970 km (0.089 R)
• M28: 63,333,605 km (0.056 R)
• M29: 65,664,489 km (0.071 R)
• M30: 69,156,104 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 13,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit