🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.55 AU - 0.71 AU

Year: 221 Days

Day: 46.3 Hours

Environment

Temp: -12 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.75 AU - 0.95 AU

Year: 347 Days

Day: 22.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,545,359 km

• M1: 44,281 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.75 AU - 1.13 AU

Year: 404 Days

Day: 26.9 Hours

Environment

Temp: -55 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1 AU - 1.28 AU

Year: 539 Days

Day: 27.6 Hours

Environment

Temp: -81 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,545,359 km

• M1: 63,130 km (0.118 R)

Asteroid Belt

Center: 1.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.8

Radius: 11.6

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.35 AU - 2.95 AU

Year: 1911 Days

Day: 11.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,545,359 km

• M1: 144,212 km (0.034 R)
• M2: 649,404 km (0.075 R)
• M3: 1,166,415 km (0.102 R)
• M4: 1,677,591 km (0.091 R)
• M5: 2,595,523 km (0.095 R)
• M6: 3,647,944 km (0.114 R)
• M7: 4,851,010 km (0.098 R)
• M8: 5,379,988 km (0.109 R)
• M9: 6,347,438 km (0.1 R)
• M10: 7,997,652 km (0.065 R)
• M11: 9,285,540 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.6

Radius: 8.3

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.83 AU - 7.35 AU

Year: 6657 Days

Day: 8.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,545,359 km

• M1: 104,120 km (0.063 R)
• M2: 505,192 km (0.116 R)
• M3: 1,173,446 km (0.06 R)
• M4: 1,517,371 km (0.062 R)
• M5: 1,897,350 km (0.092 R)
• M6: 2,652,819 km (0.086 R)
• M7: 3,142,453 km (0.119 R)
• M8: 3,788,566 km (0.108 R)
• M9: 4,861,183 km (0.072 R)
• M10: 5,531,232 km (0.115 R)
• M11: 7,912,680 km (0.095 R)
• M12: 8,367,009 km (0.108 R)
• M13: 9,282,847 km (0.112 R)
• M14: 10,854,672 km (0.08 R)
• M15: 16,557,941 km (0.083 R)
• M16: 16,960,808 km (0.088 R)
• M17: 18,209,053 km (0.091 R)
• M18: 18,783,060 km (0.091 R)
• M19: 21,915,789 km (0.051 R)
• M20: 22,401,683 km (0.111 R)
• M21: 22,812,179 km (0.103 R)
• M22: 33,054,697 km (0.11 R)
• M23: 34,777,316 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 11,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit