🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.63 AU - 0.75 AU

Year: 217 Days

Day: 33.6 Hours

Environment

Temp: 160 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,901,591 km

• M1: 137,780 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.62 AU - 0.82 AU

Year: 231 Days

Day: 32.5 Hours

Environment

Temp: 131 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.73 AU - 1.19 AU

Year: 356 Days

Day: 13 Hours

Environment

Temp: 19 °C

Axial Tilt: 74.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.87 AU - 1.11 AU

Year: 373 Days

Day: 31.8 Hours

Environment

Temp: 16 °C

Axial Tilt: 48.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 26,901,591 km

• M1: 88,562 km (0.036 R)
• M2: 832,063 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.84 AU - 1.96 AU

Year: 992 Days

Day: 17.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.76 AU - 2.64 AU

Year: 1236 Days

Day: 45.8 Hours

Environment

Temp: -84 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.47 AU - 3.69 AU

Year: 2047 Days

Day: 44.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 9.5

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.76 AU - 6.2 AU

Year: 4209 Days

Day: 6 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,901,591 km

• M1: 118,182 km (0.116 R)
• M2: 663,018 km (0.114 R)
• M3: 2,575,028 km (0.058 R)
• M4: 3,043,269 km (0.097 R)
• M5: 4,265,634 km (0.115 R)
• M6: 7,205,232 km (0.117 R)
• M7: 9,704,264 km (0.086 R)
• M8: 10,927,526 km (0.064 R)
• M9: 13,024,888 km (0.057 R)
• M10: 13,474,430 km (0.036 R)
• M11: 14,246,804 km (0.079 R)
• M12: 19,513,397 km (0.106 R)
• M13: 21,731,185 km (0.06 R)
• M14: 22,363,984 km (0.109 R)
• M15: 26,501,861 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 15,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit