🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.47 AU - 0.77 AU

Year: 223 Days

Day: 18.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.94 AU - 1.46 AU

Year: 600 Days

Day: 15.3 Hours

Environment

Temp: -84 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.97 AU - 1.51 AU

Year: 630 Days

Day: 34.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,396,718 km

• M1: 35,305 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.18 AU - 1.48 AU

Year: 700 Days

Day: 27.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,396,718 km

• M1: 166,802 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.19 AU - 1.59 AU

Year: 748 Days

Day: 41.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.46 AU - 1.78 AU

Year: 941 Days

Day: 37.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,396,718 km

• M1: 118,930 km (0.069 R)
• M2: 936,034 km (0.049 R)

Asteroid Belt

Center: 7.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.9

Radius: 6.9

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 13.78 AU - 14.08 AU

Year: 23737 Days

Day: 15.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,396,718 km

• M1: 88,562 km (0.115 R)
• M2: 1,051,075 km (0.118 R)
• M3: 1,324,091 km (0.097 R)
• M4: 2,487,214 km (0.104 R)
• M5: 2,724,776 km (0.097 R)
• M6: 3,136,619 km (0.118 R)
• M7: 5,211,391 km (0.064 R)
• M8: 8,855,147 km (0.07 R)
• M9: 9,469,246 km (0.085 R)
• M10: 13,114,797 km (0.118 R)
• M11: 13,401,127 km (0.105 R)
• M12: 13,764,949 km (0.106 R)
• M13: 15,523,771 km (0.104 R)
• M14: 21,991,485 km (0.101 R)
• M15: 26,831,425 km (0.114 R)
• M16: 27,409,621 km (0.095 R)
• M17: 31,307,394 km (0.115 R)
• M18: 33,922,514 km (0.094 R)
• M19: 38,258,010 km (0.046 R)
• M20: 43,580,702 km (0.095 R)
• M21: 49,032,198 km (0.043 R)
• M22: 50,244,240 km (0.088 R)
• M23: 60,668,818 km (0.052 R)
• M24: 61,264,666 km (0.093 R)
• M25: 62,266,523 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 12,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit