🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.45 AU - 0.59 AU

Year: 141 Days

Day: 29.9 Hours

Environment

Temp: 236 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.43 AU - 0.65 AU

Year: 149 Days

Day: 17.1 Hours

Environment

Temp: 153 °C

Axial Tilt: 38.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.73 AU

Year: 187 Days

Day: 12.5 Hours

Environment

Temp: 115 °C

Axial Tilt: 105.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,533,861 km

• M1: 95,743 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.04 AU - 1.04 AU

Year: 397 Days

Day: 31.8 Hours

Environment

Temp: 2 °C

Axial Tilt: 12.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.43 AU - 3.09 AU

Year: 1718 Days

Day: 30.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.01 AU - 4.55 AU

Year: 2754 Days

Day: 31.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.05 AU - 4.23 AU

Year: 3157 Days

Day: 38.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.95 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.8

Radius: 8.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 8.88 AU - 14.64 AU

Year: 15113 Days

Day: 13.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,533,861 km

• M1: 103,223 km (0.115 R)
• M2: 373,396 km (0.099 R)
• M3: 700,268 km (0.037 R)
• M4: 1,096,702 km (0.117 R)
• M5: 1,377,048 km (0.12 R)
• M6: 1,760,767 km (0.055 R)
• M7: 2,231,103 km (0.092 R)
• M8: 4,007,577 km (0.094 R)
• M9: 10,340,654 km (0.085 R)
• M10: 11,307,355 km (0.116 R)
• M11: 14,450,855 km (0.092 R)
• M12: 18,064,990 km (0.104 R)
• M13: 22,953,250 km (0.091 R)
• M14: 24,425,293 km (0.116 R)
• M15: 26,396,395 km (0.087 R)
• M16: 30,652,604 km (0.074 R)
• M17: 32,637,767 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 12,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit