🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.1 AU - 1.24 AU

Year: 469 Days

Day: 47.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 11.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.35 AU - 1.69 AU

Year: 695 Days

Day: 43.2 Hours

Environment

Temp: -36 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,292,558 km

• M1: 518,506 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.89 AU - 1.89 AU

Year: 964 Days

Day: 20.9 Hours

Environment

Temp: -72 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.18 AU - 3.6 AU

Year: 1822 Days

Day: 44 Hours

Environment

Temp: -95 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,292,558 km

• M1: 78,240 km (0.075 R)
• M2: 1,450,501 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.56 AU - 3.38 AU

Year: 1898 Days

Day: 15.2 Hours

Environment

Temp: -106 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.37 AU - 3.87 AU

Year: 2044 Days

Day: 35.7 Hours

Environment

Temp: -108 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 10.8

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.26 AU - 6.64 AU

Year: 5382 Days

Day: 6.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,292,558 km

• M1: 134,788 km (0.096 R)
• M2: 608,265 km (0.117 R)
• M3: 1,516,174 km (0.113 R)
• M4: 3,068,402 km (0.092 R)
• M5: 3,467,978 km (0.108 R)
• M6: 4,120,524 km (0.102 R)
• M7: 4,555,554 km (0.048 R)
• M8: 5,763,258 km (0.112 R)
• M9: 8,432,682 km (0.082 R)
• M10: 9,307,680 km (0.057 R)
• M11: 9,656,543 km (0.094 R)
• M12: 10,427,121 km (0.079 R)
• M13: 11,534,145 km (0.091 R)
• M14: 12,506,382 km (0.091 R)
• M15: 15,085,599 km (0.051 R)
• M16: 15,567,902 km (0.113 R)
• M17: 16,818,690 km (0.043 R)
• M18: 20,456,162 km (0.025 R)
• M19: 24,670,035 km (0.095 R)
• M20: 26,194,288 km (0.092 R)
• M21: 27,067,640 km (0.075 R)
• M22: 30,278,160 km (0.111 R)
• M23: 32,620,863 km (0.06 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: 526 - 18,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit