🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.58 AU - 0.6 AU

Year: 293 Days

Day: 32.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.58 AU - 0.62 AU

Year: 300 Days

Day: 16.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813

Radius: 11.5

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.81 AU - 1.23 AU

Year: 665 Days

Day: 5.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,156,155 km

• M1: 143,016 km (0.119 R)
• M2: 695,032 km (0.102 R)
• M3: 1,178,831 km (0.114 R)
• M4: 1,558,062 km (0.078 R)
• M5: 2,010,745 km (0.07 R)
• M6: 2,454,602 km (0.12 R)
• M7: 2,868,090 km (0.105 R)
• M8: 3,474,560 km (0.036 R)
• M9: 3,866,656 km (0.088 R)
• M10: 5,704,017 km (0.119 R)
• M11: 6,293,134 km (0.096 R)
• M12: 6,686,875 km (0.109 R)
• M13: 7,593,139 km (0.104 R)
• M14: 8,016,052 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.2

Radius: 13.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.84 AU - 1.2 AU

Year: 665 Days

Day: 14.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,156,155 km

• M1: 166,802 km (0.071 R)
• M2: 838,496 km (0.059 R)
• M3: 1,266,346 km (0.119 R)
• M4: 2,021,217 km (0.104 R)
• M5: 2,598,964 km (0.113 R)
• M6: 3,097,125 km (0.07 R)
• M7: 3,549,658 km (0.102 R)
• M8: 4,350,904 km (0.118 R)
• M9: 4,820,193 km (0.094 R)
• M10: 5,359,344 km (0.044 R)
• M11: 6,456,345 km (0.061 R)
• M12: 7,223,184 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 12.5

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.53 AU - 1.89 AU

Year: 1444 Days

Day: 11.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 11,156,155 km

• M1: 155,432 km (0.109 R)
• M2: 584,030 km (0.112 R)
• M3: 1,297,612 km (0.063 R)
• M4: 1,811,780 km (0.073 R)
• M5: 2,519,677 km (0.084 R)
• M6: 3,039,230 km (0.119 R)
• M7: 3,800,833 km (0.053 R)
• M8: 4,505,589 km (0.109 R)
• M9: 5,745,605 km (0.068 R)
• M10: 6,652,318 km (0.051 R)
• M11: 9,380,235 km (0.107 R)
• M12: 9,857,752 km (0.109 R)
• M13: 10,604,544 km (0.092 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: 280 - 17,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit