🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.53 AU - 0.57 AU

Year: 155 Days

Day: 37.6 Hours

Environment

Temp: 152 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.29 AU - 1.39 AU

Year: 591 Days

Day: 18.1 Hours

Environment

Temp: -50 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.47 AU - 2.11 AU

Year: 912 Days

Day: 38.2 Hours

Environment

Temp: -65 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.91 AU - 2.13 AU

Year: 1093 Days

Day: 27.1 Hours

Environment

Temp: -81 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.85 AU - 3.81 AU

Year: 2314 Days

Day: 39.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 10.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.71 AU - 4.65 AU

Year: 3254 Days

Day: 10.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,227,518 km

• M1: 126,261 km (0.082 R)
• M2: 467,643 km (0.108 R)
• M3: 914,193 km (0.081 R)
• M4: 1,428,959 km (0.095 R)
• M5: 2,057,569 km (0.054 R)
• M6: 2,714,304 km (0.077 R)
• M7: 3,204,386 km (0.098 R)
• M8: 4,087,612 km (0.111 R)
• M9: 5,658,390 km (0.07 R)
• M10: 7,924,050 km (0.097 R)
• M11: 9,091,960 km (0.091 R)
• M12: 14,333,870 km (0.05 R)
• M13: 16,110,045 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 13.5

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4 AU - 6.28 AU

Year: 4438 Days

Day: 10 Hours

Environment

Temp: -157 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,227,518 km

• M1: 172,935 km (0.119 R)
• M2: 786,286 km (0.085 R)
• M3: 1,434,793 km (0.077 R)
• M4: 1,856,659 km (0.085 R)
• M5: 2,999,437 km (0.092 R)
• M6: 3,430,279 km (0.11 R)
• M7: 4,178,867 km (0.1 R)
• M8: 4,822,736 km (0.087 R)
• M9: 6,002,615 km (0.118 R)
• M10: 6,499,728 km (0.059 R)
• M11: 6,923,988 km (0.089 R)
• M12: 8,928,300 km (0.042 R)
• M13: 10,085,739 km (0.068 R)
• M14: 12,597,337 km (0.09 R)
• M15: 13,363,279 km (0.1 R)
• M16: 15,443,287 km (0.103 R)
• M17: 16,261,438 km (0.117 R)
• M18: 17,417,830 km (0.101 R)
• M19: 19,421,244 km (0.089 R)
• M20: 23,044,654 km (0.038 R)
• M21: 26,929,262 km (0.091 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 16,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit