🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.42 AU - 0.68 AU

Year: 152 Days

Day: 15.8 Hours

Environment

Temp: 161 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,404,427 km

• M1: 38,746 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.62 AU - 0.96 AU

Year: 262 Days

Day: 38 Hours

Environment

Temp: 80 °C

Axial Tilt: 112.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.71 AU - 1.03 AU

Year: 303 Days

Day: 32.8 Hours

Environment

Temp: 126 °C

Axial Tilt: 43 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.98 AU - 1.54 AU

Year: 527 Days

Day: 41.9 Hours

Environment

Temp: -3 °C

Axial Tilt: 85.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 30,404,427 km

• M1: 613,202 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.19 AU - 1.65 AU

Year: 631 Days

Day: 46.8 Hours

Environment

Temp: -29 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.06 AU - 4.3 AU

Year: 2632 Days

Day: 27.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 8.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.38 AU - 8.63 AU

Year: 7657 Days

Day: 5.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,404,427 km

• M1: 114,442 km (0.107 R)
• M2: 671,994 km (0.116 R)
• M3: 1,226,852 km (0.085 R)
• M4: 2,018,225 km (0.12 R)
• M5: 2,567,698 km (0.073 R)
• M6: 4,392,642 km (0.118 R)
• M7: 4,799,698 km (0.117 R)
• M8: 5,897,896 km (0.102 R)
• M9: 6,490,004 km (0.059 R)
• M10: 7,719,849 km (0.067 R)
• M11: 10,278,720 km (0.086 R)
• M12: 16,208,929 km (0.079 R)
• M13: 17,368,612 km (0.081 R)
• M14: 18,387,523 km (0.096 R)
• M15: 19,110,679 km (0.065 R)
• M16: 21,610,460 km (0.107 R)
• M17: 22,267,793 km (0.11 R)
• M18: 22,713,445 km (0.087 R)
• M19: 23,165,081 km (0.036 R)
• M20: 24,086,304 km (0.112 R)
• M21: 24,713,718 km (0.11 R)
• M22: 29,952,186 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 12,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit