🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.93 AU - 1.17 AU

Year: 380 Days

Day: 34.5 Hours

Environment

Temp: 72 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.99 AU - 3.79 AU

Year: 2204 Days

Day: 29.2 Hours

Environment

Temp: -106 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.16 AU - 5.48 AU

Year: 4333 Days

Day: 45.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.2

Radius: 14.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.83 AU - 8.05 AU

Year: 7166 Days

Day: 14.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 134.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,100,877 km

• M1: 184,753 km (0.064 R)
• M2: 914,941 km (0.061 R)
• M3: 1,565,093 km (0.104 R)
• M4: 2,034,681 km (0.058 R)
• M5: 4,123,965 km (0.106 R)
• M6: 4,988,341 km (0.117 R)
• M7: 6,846,945 km (0.109 R)
• M8: 7,664,647 km (0.025 R)
• M9: 9,131,903 km (0.099 R)
• M10: 12,273,009 km (0.086 R)
• M11: 13,795,168 km (0.093 R)
• M12: 16,787,125 km (0.07 R)
• M13: 18,595,763 km (0.116 R)
• M14: 19,781,775 km (0.108 R)
• M15: 20,393,481 km (0.107 R)
• M16: 23,341,307 km (0.099 R)
• M17: 24,956,366 km (0.096 R)
• M18: 25,431,189 km (0.114 R)
• M19: 26,974,890 km (0.093 R)
• M20: 28,580,224 km (0.119 R)
• M21: 29,450,435 km (0.05 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.7

Radius: 6.1

Gravity: 24.04 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 13.05 AU - 13.23 AU

Year: 16819 Days

Day: 22.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,100,877 km

• M1: 75,996 km (0.116 R)
• M2: 274,662 km (0.049 R)
• M3: 591,660 km (0.103 R)
• M4: 791,223 km (0.076 R)
• M5: 2,570,391 km (0.114 R)
• M6: 2,985,375 km (0.118 R)
• M7: 3,249,715 km (0.1 R)
• M8: 4,169,891 km (0.092 R)
• M9: 5,029,929 km (0.054 R)
• M10: 5,252,830 km (0.067 R)
• M11: 7,141,054 km (0.056 R)
• M12: 7,423,046 km (0.103 R)
• M13: 8,313,752 km (0.089 R)
• M14: 9,163,468 km (0.118 R)
• M15: 9,552,871 km (0.12 R)
• M16: 10,910,472 km (0.109 R)
• M17: 11,667,437 km (0.116 R)
• M18: 13,569,424 km (0.113 R)
• M19: 14,668,969 km (0.097 R)
• M20: 15,985,430 km (0.118 R)
• M21: 17,463,307 km (0.093 R)
• M22: 18,148,316 km (0.098 R)
• M23: 19,939,451 km (0.111 R)
• M24: 21,649,355 km (0.111 R)
• M25: 22,539,762 km (0.063 R)
• M26: 23,044,954 km (0.105 R)
• M27: 29,110,250 km (0.082 R)
• M28: 29,468,686 km (0.114 R)
• M29: 32,187,777 km (0.108 R)
• M30: 54,581,531 km (0.117 R)
• M31: 56,597,811 km (0.066 R)
• M32: 56,969,712 km (0.088 R)
• M33: 57,718,299 km (0.037 R)
• M34: 63,543,042 km (0.115 R)
• M35: 67,219,410 km (0.075 R)
• M36: 68,475,733 km (0.108 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 15,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit