🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.54 AU - 0.56 AU

Year: 259 Days

Day: 24.5 Hours

Environment

Temp: -113 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.55 AU - 0.75 AU

Year: 333 Days

Day: 46.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 6,843,564 km

• M1: 22,140 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.4

Radius: 11.3

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.71 AU - 0.77 AU

Year: 405 Days

Day: 11.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 6,843,564 km

• M1: 140,472 km (0.101 R)
• M2: 627,413 km (0.061 R)
• M3: 1,055,563 km (0.039 R)
• M4: 1,444,218 km (0.042 R)
• M5: 2,009,847 km (0.089 R)
• M6: 2,419,147 km (0.069 R)
• M7: 3,303,271 km (0.1 R)
• M8: 4,035,253 km (0.112 R)
• M9: 5,804,547 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531

Radius: 9.2

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.78 AU - 1.18 AU

Year: 617 Days

Day: 11.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 60.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 6,843,564 km

• M1: 114,442 km (0.108 R)
• M2: 424,559 km (0.118 R)
• M3: 755,320 km (0.115 R)
• M4: 1,178,831 km (0.055 R)
• M5: 1,804,599 km (0.11 R)
• M6: 2,258,629 km (0.06 R)
• M7: 2,637,410 km (0.077 R)
• M8: 3,176,412 km (0.052 R)
• M9: 3,640,614 km (0.103 R)
• M10: 4,106,611 km (0.116 R)
• M11: 4,489,432 km (0.109 R)
• M12: 5,499,218 km (0.077 R)
• M13: 6,653,515 km (0.104 R)

Asteroid Belt

Center: 1.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.8

Radius: 12.7

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.87 AU - 2.29 AU

Year: 1907 Days

Day: 11.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 6,843,564 km

• M1: 157,975 km (0.094 R)
• M2: 573,109 km (0.098 R)
• M3: 1,125,425 km (0.064 R)
• M4: 1,580,502 km (0.099 R)
• M5: 2,177,696 km (0.046 R)
• M6: 2,845,202 km (0.089 R)
• M7: 3,454,215 km (0.099 R)
• M8: 4,307,371 km (0.073 R)
• M9: 5,015,568 km (0.065 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 11,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit