🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.8

Radius: 12.2

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.51 AU - 0.83 AU

Year: 372 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,843,477 km

• M1: 151,692 km (0.105 R)
• M2: 558,449 km (0.04 R)
• M3: 1,057,507 km (0.065 R)
• M4: 1,654,253 km (0.114 R)
• M5: 2,154,209 km (0.059 R)
• M6: 2,874,673 km (0.109 R)
• M7: 4,184,103 km (0.118 R)
• M8: 4,766,637 km (0.075 R)
• M9: 5,292,773 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.5

Radius: 11.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.52 AU - 0.82 AU

Year: 372 Days

Day: 8.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,843,477 km

• M1: 145,559 km (0.107 R)
• M2: 529,277 km (0.048 R)
• M3: 986,448 km (0.109 R)
• M4: 1,583,045 km (0.041 R)
• M5: 2,213,001 km (0.115 R)
• M6: 2,601,357 km (0.093 R)
• M7: 2,983,879 km (0.099 R)
• M8: 3,742,191 km (0.049 R)
• M9: 4,338,488 km (0.115 R)
• M10: 4,851,609 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.7

Radius: 12.2

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.45 AU - 3.25 AU

Year: 3263 Days

Day: 9.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 42,843,477 km

• M1: 151,692 km (0.104 R)
• M2: 1,533,977 km (0.042 R)
• M3: 7,473,760 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.9

Radius: 7

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.6 AU - 7.7 AU

Year: 12967 Days

Day: 17.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,843,477 km

• M1: 87,066 km (0.11 R)
• M2: 439,519 km (0.045 R)
• M3: 678,127 km (0.035 R)
• M4: 1,324,240 km (0.099 R)
• M5: 1,609,673 km (0.109 R)
• M6: 2,682,290 km (0.048 R)
• M7: 3,055,537 km (0.085 R)
• M8: 4,061,732 km (0.099 R)
• M9: 4,469,685 km (0.105 R)
• M10: 5,148,112 km (0.065 R)
• M11: 5,528,389 km (0.106 R)
• M12: 7,161,848 km (0.072 R)
• M13: 7,757,846 km (0.116 R)
• M14: 8,215,466 km (0.114 R)
• M15: 8,646,907 km (0.09 R)
• M16: 9,368,716 km (0.05 R)
• M17: 19,606,746 km (0.108 R)
• M18: 22,641,638 km (0.064 R)
• M19: 26,344,783 km (0.093 R)
• M20: 28,339,521 km (0.062 R)
• M21: 28,927,441 km (0.118 R)
• M22: 34,478,420 km (0.104 R)
• M23: 37,561,632 km (0.102 R)
• M24: 37,797,099 km (0.033 R)
• M25: 40,083,253 km (0.064 R)
• M26: 40,452,311 km (0.097 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 14,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit