🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.5 AU - 0.8 AU

Year: 185 Days

Day: 42.6 Hours

Environment

Temp: 228 °C

Axial Tilt: 13.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.64 AU - 0.72 AU

Year: 198 Days

Day: 17.7 Hours

Environment

Temp: 200 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.21 AU - 1.93 AU

Year: 695 Days

Day: 33.2 Hours

Environment

Temp: -28 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.89 AU - 4.75 AU

Year: 3170 Days

Day: 12.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.5 AU - 5.4 AU

Year: 3315 Days

Day: 21.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.1

Radius: 13.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.41 AU - 11.53 AU

Year: 11962 Days

Day: 6.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,091,478 km

• M1: 177,124 km (0.116 R)
• M2: 708,346 km (0.037 R)
• M3: 1,209,648 km (0.069 R)
• M4: 3,966,288 km (0.075 R)
• M5: 6,154,008 km (0.062 R)
• M6: 8,516,457 km (0.085 R)
• M7: 12,924,658 km (0.086 R)
• M8: 18,253,483 km (0.114 R)
• M9: 19,218,240 km (0.074 R)
• M10: 20,216,656 km (0.071 R)
• M11: 26,597,903 km (0.089 R)
• M12: 32,782,129 km (0.049 R)
• M13: 34,104,126 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 13.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.8

Radius: 12.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 11.33 AU - 14.77 AU

Year: 16646 Days

Day: 13 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,091,478 km

• M1: 156,629 km (0.112 R)
• M2: 641,775 km (0.096 R)
• M3: 1,091,167 km (0.112 R)
• M4: 1,756,877 km (0.028 R)
• M5: 2,306,051 km (0.089 R)
• M6: 2,700,990 km (0.072 R)
• M7: 3,932,479 km (0.067 R)
• M8: 4,821,988 km (0.079 R)
• M9: 6,960,639 km (0.038 R)
• M10: 7,390,733 km (0.119 R)
• M11: 14,285,699 km (0.087 R)
• M12: 15,046,853 km (0.044 R)
• M13: 23,077,117 km (0.084 R)
• M14: 31,941,240 km (0.101 R)
• M15: 37,717,513 km (0.101 R)
• M16: 40,036,429 km (0.111 R)
• M17: 43,099,595 km (0.082 R)
• M18: 43,756,928 km (0.114 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 10,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit