🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.53 AU - 0.71 AU

Year: 177 Days

Day: 29.5 Hours

Environment

Temp: 210 °C

Axial Tilt: 24.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.5 AU - 0.8 AU

Year: 190 Days

Day: 12.3 Hours

Environment

Temp: 196 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,850,669 km

• M1: 23,038 km (0.1 R)
• M2: 55,800 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.67 AU - 0.85 AU

Year: 241 Days

Day: 44.4 Hours

Environment

Temp: 101 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.92 AU - 1.06 AU

Year: 358 Days

Day: 32.9 Hours

Environment

Temp: 43 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,850,669 km

• M1: 110,403 km (0.076 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.03 AU - 1.05 AU

Year: 385 Days

Day: 21.6 Hours

Environment

Temp: 13 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.49 AU - 1.73 AU

Year: 742 Days

Day: 34.8 Hours

Environment

Temp: -33 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,850,669 km

• M1: 264,788 km (0.071 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.54 AU - 2.06 AU

Year: 878 Days

Day: 30.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 47.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,850,669 km

• M1: 71,358 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.9

Radius: 10.2

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.39 AU - 10.43 AU

Year: 8864 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,850,669 km

• M1: 126,859 km (0.069 R)
• M2: 488,138 km (0.086 R)
• M3: 1,085,931 km (0.071 R)
• M4: 1,578,407 km (0.112 R)
• M5: 2,457,444 km (0.055 R)
• M6: 5,121,184 km (0.084 R)
• M7: 5,549,034 km (0.098 R)
• M8: 6,290,740 km (0.094 R)
• M9: 7,421,850 km (0.025 R)
• M10: 9,781,756 km (0.102 R)
• M11: 10,863,049 km (0.089 R)
• M12: 15,447,177 km (0.085 R)
• M13: 15,925,142 km (0.088 R)
• M14: 16,342,819 km (0.107 R)
• M15: 16,982,799 km (0.109 R)
• M16: 18,694,498 km (0.086 R)
• M17: 19,552,442 km (0.073 R)
• M18: 22,719,279 km (0.031 R)
• M19: 23,786,510 km (0.097 R)
• M20: 25,544,136 km (0.118 R)
• M21: 26,893,508 km (0.038 R)
• M22: 28,087,299 km (0.117 R)
• M23: 31,226,162 km (0.061 R)
• M24: 32,656,168 km (0.12 R)
• M25: 36,002,822 km (0.09 R)

Kuiper Belt

Range: 30.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 15,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit