🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.71 AU - 0.87 AU

Year: 298 Days

Day: 31.7 Hours

Environment

Temp: -22 °C

Axial Tilt: 44.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 65,889,559 km

• M1: 733,628 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.66 AU - 0.92 AU

Year: 298 Days

Day: 44 Hours

Environment

Temp: -2 °C

Axial Tilt: 11.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.71 AU - 1.01 AU

Year: 339 Days

Day: 22.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.34 AU - 1.42 AU

Year: 688 Days

Day: 19.9 Hours

Environment

Temp: -90 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.96 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.23 AU - 2.83 AU

Year: 1709 Days

Day: 18.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,889,559 km

• M1: 360,830 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.6

Radius: 8.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.84 AU - 3.2 AU

Year: 2228 Days

Day: 8.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,889,559 km

• M1: 106,962 km (0.055 R)
• M2: 402,717 km (0.03 R)
• M3: 685,906 km (0.101 R)
• M4: 994,227 km (0.111 R)
• M5: 1,411,755 km (0.101 R)
• M6: 1,706,912 km (0.106 R)
• M7: 2,333,128 km (0.059 R)
• M8: 3,811,006 km (0.117 R)
• M9: 4,425,554 km (0.074 R)
• M10: 4,858,490 km (0.1 R)
• M11: 5,830,128 km (0.053 R)
• M12: 6,784,862 km (0.066 R)
• M13: 10,366,085 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.1

Radius: 3.6

Gravity: 22.38 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 12.92 AU - 17.16 AU

Year: 24765 Days

Day: 19.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,889,559 km

• M1: 49,966 km (0.083 R)
• M2: 503,546 km (0.071 R)
• M3: 1,369,868 km (0.11 R)
• M4: 1,617,602 km (0.068 R)
• M5: 4,164,655 km (0.09 R)
• M6: 4,819,295 km (0.08 R)
• M7: 6,084,893 km (0.096 R)
• M8: 9,356,599 km (0.12 R)
• M9: 10,355,464 km (0.086 R)
• M10: 10,821,461 km (0.088 R)
• M11: 14,410,015 km (0.093 R)
• M12: 23,711,113 km (0.109 R)
• M13: 24,213,911 km (0.102 R)
• M14: 28,721,445 km (0.072 R)
• M15: 35,297,169 km (0.118 R)
• M16: 35,820,761 km (0.093 R)
• M17: 45,840,228 km (0.104 R)
• M18: 48,366,338 km (0.1 R)
• M19: 54,559,989 km (0.089 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 17,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit