🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 9.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.71 AU - 0.81 AU

Year: 449 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 168.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,766,233 km

• M1: 113,395 km (0.054 R)
• M2: 436,676 km (0.114 R)
• M3: 744,848 km (0.075 R)
• M4: 1,041,800 km (0.088 R)
• M5: 1,336,059 km (0.087 R)
• M6: 1,629,420 km (0.057 R)
• M7: 1,916,349 km (0.112 R)
• M8: 2,317,121 km (0.105 R)
• M9: 2,800,771 km (0.064 R)
• M10: 3,186,584 km (0.118 R)
• M11: 3,662,605 km (0.04 R)
• M12: 4,125,012 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.7

Radius: 13.1

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.69 AU - 1.07 AU

Year: 560 Days

Day: 13.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,766,233 km

• M1: 162,912 km (0.115 R)
• M2: 623,973 km (0.102 R)
• M3: 2,361,702 km (0.065 R)
• M4: 3,198,552 km (0.095 R)
• M5: 4,028,820 km (0.079 R)
• M6: 5,179,078 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433

Radius: 12.3

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.3 AU - 1.34 AU

Year: 1029 Days

Day: 13.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,766,233 km

• M1: 153,039 km (0.1 R)
• M2: 598,990 km (0.081 R)
• M3: 1,039,855 km (0.095 R)
• M4: 1,422,975 km (0.09 R)
• M5: 1,823,149 km (0.105 R)
• M6: 2,341,356 km (0.096 R)
• M7: 3,237,448 km (0.08 R)
• M8: 3,765,079 km (0.038 R)
• M9: 4,431,239 km (0.044 R)
• M10: 4,836,200 km (0.094 R)
• M11: 5,377,445 km (0.103 R)
• M12: 7,134,023 km (0.072 R)
• M13: 8,872,051 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.8

Radius: 10.3

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.31 AU - 1.43 AU

Year: 1088 Days

Day: 9.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,766,233 km

• M1: 128,205 km (0.112 R)
• M2: 537,804 km (0.03 R)
• M3: 1,327,980 km (0.118 R)
• M4: 1,976,038 km (0.111 R)
• M5: 2,420,643 km (0.117 R)
• M6: 2,770,852 km (0.041 R)
• M7: 4,345,519 km (0.036 R)
• M8: 4,713,530 km (0.113 R)
• M9: 5,042,795 km (0.105 R)
• M10: 5,533,924 km (0.103 R)
• M11: 9,665,518 km (0.108 R)
• M12: 10,785,707 km (0.079 R)
• M13: 11,325,905 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373

Radius: 10.5

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.16 AU - 3.22 AU

Year: 3864 Days

Day: 9.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,766,233 km

• M1: 130,599 km (0.083 R)
• M2: 628,610 km (0.113 R)
• M3: 1,373,608 km (0.104 R)
• M4: 1,759,869 km (0.037 R)
• M5: 2,205,372 km (0.107 R)
• M6: 3,185,387 km (0.071 R)
• M7: 5,642,084 km (0.111 R)
• M8: 10,735,742 km (0.1 R)
• M9: 15,224,127 km (0.1 R)
• M10: 16,409,839 km (0.114 R)
• M11: 20,153,376 km (0.04 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 19,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit