🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.69 AU - 0.75 AU

Year: 220 Days

Day: 33.1 Hours

Environment

Temp: 154 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.63 AU - 0.85 AU

Year: 229 Days

Day: 37.4 Hours

Environment

Temp: 185 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 16,307,971 km

• M1: 40,092 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.03 AU - 2.67 AU

Year: 1297 Days

Day: 14 Hours

Environment

Temp: -81 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.6

Radius: 14.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.83 AU - 7.99 AU

Year: 6537 Days

Day: 5.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 16,307,971 km

• M1: 182,958 km (0.069 R)
• M2: 670,049 km (0.11 R)
• M3: 1,224,459 km (0.095 R)
• M4: 2,107,684 km (0.091 R)
• M5: 2,571,288 km (0.092 R)
• M6: 3,364,157 km (0.115 R)
• M7: 3,855,736 km (0.078 R)
• M8: 4,315,450 km (0.079 R)
• M9: 5,725,260 km (0.029 R)
• M10: 6,223,720 km (0.119 R)
• M11: 6,787,555 km (0.111 R)
• M12: 9,212,985 km (0.091 R)
• M13: 9,853,413 km (0.104 R)
• M14: 11,223,580 km (0.085 R)
• M15: 13,981,716 km (0.04 R)
• M16: 15,967,778 km (0.082 R)
• M17: 17,028,726 km (0.115 R)
• M18: 19,438,598 km (0.07 R)
• M19: 21,036,153 km (0.053 R)
• M20: 22,310,877 km (0.117 R)
• M21: 30,159,380 km (0.035 R)
• M22: 33,137,873 km (0.111 R)
• M23: 36,420,050 km (0.029 R)
• M24: 38,373,350 km (0.088 R)
• M25: 39,435,195 km (0.116 R)
• M26: 40,033,587 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.5

Radius: 12

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.16 AU - 9.28 AU

Year: 8482 Days

Day: 15 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,307,971 km

• M1: 155,582 km (0.086 R)
• M2: 543,339 km (0.087 R)
• M3: 1,008,140 km (0.107 R)
• M4: 1,488,499 km (0.073 R)
• M5: 2,109,031 km (0.087 R)
• M6: 3,853,192 km (0.062 R)
• M7: 4,465,048 km (0.115 R)
• M8: 5,691,750 km (0.105 R)
• M9: 7,214,507 km (0.097 R)
• M10: 9,864,035 km (0.108 R)
• M11: 11,311,843 km (0.098 R)

Kuiper Belt

Range: 30.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 16,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit