🌌 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: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.68 AU - 0.76 AU

Year: 230 Days

Day: 46.9 Hours

Environment

Temp: 98 °C

Axial Tilt: 2.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,869,269 km

• M1: 234,270 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.86 AU - 1.2 AU

Year: 394 Days

Day: 47.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.94 AU - 1.44 AU

Year: 489 Days

Day: 45 Hours

Environment

Temp: -20 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 23,869,269 km

• M1: 20,944 km (0.108 R)
• M2: 409,001 km (0.118 R)

Asteroid Belt

Center: 3.13 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.4

Radius: 9.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.97 AU - 5.17 AU

Year: 4301 Days

Day: 8.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,869,269 km

• M1: 123,119 km (0.083 R)
• M2: 529,726 km (0.116 R)
• M3: 1,181,075 km (0.098 R)
• M4: 1,526,646 km (0.101 R)
• M5: 1,856,061 km (0.05 R)
• M6: 3,055,387 km (0.109 R)
• M7: 3,602,018 km (0.105 R)
• M8: 5,617,550 km (0.081 R)
• M9: 6,789,649 km (0.083 R)
• M10: 12,201,950 km (0.077 R)
• M11: 13,414,142 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.9

Radius: 12.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.53 AU - 5.75 AU

Year: 4390 Days

Day: 14.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,869,269 km

• M1: 156,928 km (0.119 R)
• M2: 588,069 km (0.11 R)
• M3: 1,056,161 km (0.097 R)
• M4: 1,457,831 km (0.06 R)
• M5: 1,938,788 km (0.087 R)
• M6: 2,479,884 km (0.085 R)
• M7: 3,192,419 km (0.099 R)
• M8: 3,828,658 km (0.076 R)
• M9: 6,085,941 km (0.11 R)
• M10: 6,608,785 km (0.066 R)
• M11: 8,430,289 km (0.069 R)
• M12: 8,824,330 km (0.108 R)
• M13: 9,457,278 km (0.1 R)
• M14: 12,388,798 km (0.12 R)
• M15: 13,135,591 km (0.115 R)
• M16: 14,211,199 km (0.074 R)
• M17: 15,933,520 km (0.12 R)
• M18: 16,760,945 km (0.101 R)
• M19: 17,558,601 km (0.103 R)
• M20: 22,543,202 km (0.117 R)
• M21: 23,164,931 km (0.071 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: 510 - 17,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit