🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.68 AU - 0.76 AU

Year: 213 Days

Day: 29.4 Hours

Environment

Temp: 156 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 67,573,750 km

• M1: 342,878 km (0.05 R)
• M2: 544,237 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.65 AU - 0.81 AU

Year: 217 Days

Day: 39.3 Hours

Environment

Temp: 231 °C

Axial Tilt: 5.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,573,750 km

• M1: 123,717 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.2 AU - 1.3 AU

Year: 487 Days

Day: 30.4 Hours

Environment

Temp: 36 °C

Axial Tilt: 53.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.5 AU - 2.66 AU

Year: 1443 Days

Day: 18.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,573,750 km

• M1: 76,744 km (0.12 R)
• M2: 138,528 km (0.073 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.93 AU - 3.57 AU

Year: 2040 Days

Day: 34.2 Hours

Environment

Temp: -105 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.48 AU - 5.2 AU

Year: 3149 Days

Day: 25.8 Hours

Environment

Temp: -109 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,573,750 km

• M1: 51,462 km (0.079 R)

Asteroid Belt

Center: 10.69 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.4

Radius: 5.2

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 16.31 AU - 17.75 AU

Year: 24475 Days

Day: 23.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,573,750 km

• M1: 64,776 km (0.113 R)
• M2: 234,420 km (0.083 R)
• M3: 471,682 km (0.106 R)
• M4: 1,643,931 km (0.05 R)
• M5: 2,018,075 km (0.091 R)
• M6: 2,490,805 km (0.11 R)
• M7: 3,267,217 km (0.062 R)
• M8: 5,698,482 km (0.069 R)
• M9: 6,721,881 km (0.111 R)
• M10: 8,605,019 km (0.106 R)
• M11: 9,285,839 km (0.086 R)
• M12: 10,694,901 km (0.094 R)
• M13: 14,071,026 km (0.055 R)
• M14: 15,691,321 km (0.069 R)
• M15: 17,514,021 km (0.079 R)
• M16: 24,844,616 km (0.039 R)
• M17: 26,870,171 km (0.104 R)
• M18: 27,866,942 km (0.105 R)
• M19: 29,234,117 km (0.042 R)
• M20: 33,349,255 km (0.085 R)
• M21: 33,857,439 km (0.057 R)
• M22: 36,744,977 km (0.105 R)
• M23: 40,077,569 km (0.101 R)
• M24: 62,251,863 km (0.073 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 10,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit