🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.6 AU - 0.8 AU

Year: 211 Days

Day: 18.8 Hours

Environment

Temp: 185 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.76 AU - 0.86 AU

Year: 262 Days

Day: 40.4 Hours

Environment

Temp: 109 °C

Axial Tilt: 17.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.69 AU - 2.21 AU

Year: 980 Days

Day: 19.6 Hours

Environment

Temp: -56 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.84 AU - 3.24 AU

Year: 1908 Days

Day: 18.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.1

Radius: 12.1

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.45 AU - 6.91 AU

Year: 6214 Days

Day: 7.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,263,870 km

• M1: 150,495 km (0.08 R)
• M2: 956,379 km (0.075 R)
• M3: 1,383,481 km (0.083 R)
• M4: 2,001,620 km (0.079 R)
• M5: 2,719,240 km (0.069 R)
• M6: 4,183,654 km (0.092 R)
• M7: 6,341,903 km (0.118 R)
• M8: 7,378,317 km (0.075 R)
• M9: 9,122,478 km (0.082 R)
• M10: 10,090,975 km (0.082 R)
• M11: 11,209,219 km (0.069 R)
• M12: 13,502,853 km (0.073 R)
• M13: 14,267,448 km (0.115 R)
• M14: 16,843,972 km (0.115 R)
• M15: 18,822,554 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.3

Radius: 13.8

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.33 AU - 8.45 AU

Year: 7230 Days

Day: 9.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,263,870 km

• M1: 171,888 km (0.113 R)
• M2: 663,915 km (0.05 R)
• M3: 1,125,574 km (0.047 R)
• M4: 1,590,076 km (0.09 R)
• M5: 3,051,497 km (0.064 R)
• M6: 3,518,243 km (0.118 R)
• M7: 5,093,508 km (0.063 R)
• M8: 6,509,452 km (0.094 R)
• M9: 6,948,073 km (0.085 R)
• M10: 7,563,668 km (0.03 R)
• M11: 8,641,820 km (0.106 R)
• M12: 9,962,620 km (0.037 R)
• M13: 10,898,354 km (0.1 R)
• M14: 11,414,018 km (0.086 R)
• M15: 13,700,921 km (0.087 R)
• M16: 15,428,627 km (0.098 R)
• M17: 18,722,174 km (0.059 R)
• M18: 19,917,012 km (0.117 R)
• M19: 23,295,081 km (0.114 R)
• M20: 23,979,342 km (0.103 R)
• M21: 24,589,103 km (0.12 R)
• M22: 25,298,496 km (0.114 R)
• M23: 25,839,442 km (0.106 R)
• M24: 27,603,799 km (0.069 R)
• M25: 37,179,858 km (0.114 R)
• M26: 41,261,786 km (0.12 R)

Kuiper Belt

Range: 30.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 15,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit