🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.06 AU - 1.32 AU

Year: 489 Days

Day: 29.2 Hours

Environment

Temp: 2 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 60,226,377 km

• M1: 646,113 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.3 AU - 2 AU

Year: 798 Days

Day: 14.4 Hours

Environment

Temp: -53 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.42 AU - 3.5 AU

Year: 1919 Days

Day: 21.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.74 AU - 3.62 AU

Year: 2136 Days

Day: 43.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,226,377 km

• M1: 40,391 km (0.077 R)
• M2: 814,560 km (0.111 R)

Asteroid Belt

Center: 6.56 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.8

Radius: 12.5

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.67 AU - 11.19 AU

Year: 11788 Days

Day: 13.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,226,377 km

• M1: 155,432 km (0.089 R)
• M2: 548,276 km (0.07 R)
• M3: 1,116,748 km (0.114 R)
• M4: 1,777,372 km (0.082 R)
• M5: 3,222,937 km (0.06 R)
• M6: 3,746,230 km (0.096 R)
• M7: 4,931,494 km (0.108 R)
• M8: 9,200,269 km (0.056 R)
• M9: 9,933,299 km (0.096 R)
• M10: 10,592,277 km (0.037 R)
• M11: 15,536,487 km (0.09 R)
• M12: 17,662,123 km (0.07 R)
• M13: 26,629,319 km (0.107 R)
• M14: 27,154,706 km (0.107 R)
• M15: 31,491,997 km (0.109 R)
• M16: 32,914,374 km (0.118 R)
• M17: 38,230,783 km (0.115 R)
• M18: 38,899,486 km (0.116 R)
• M19: 42,361,031 km (0.116 R)
• M20: 47,391,109 km (0.097 R)
• M21: 48,007,901 km (0.098 R)
• M22: 50,528,626 km (0.087 R)
• M23: 53,969,526 km (0.097 R)
• M24: 55,832,768 km (0.078 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 10,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit