🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.1

Radius: 10.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.48 AU - 0.66 AU

Year: 287 Days

Day: 11.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 12,616,558 km

• M1: 125,662 km (0.105 R)
• M2: 745,596 km (0.076 R)
• M3: 1,293,124 km (0.043 R)
• M4: 2,203,876 km (0.082 R)
• M5: 2,660,000 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.1

Radius: 14.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.53 AU - 0.83 AU

Year: 374 Days

Day: 5.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,616,558 km

• M1: 181,612 km (0.079 R)
• M2: 636,838 km (0.079 R)
• M3: 1,201,869 km (0.12 R)
• M4: 1,765,105 km (0.056 R)
• M5: 2,571,139 km (0.079 R)
• M6: 3,028,310 km (0.079 R)
• M7: 3,504,330 km (0.106 R)
• M8: 4,204,299 km (0.097 R)
• M9: 5,011,379 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 11

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.65 AU - 0.83 AU

Year: 424 Days

Day: 7 Hours

Environment

Temp: -158 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,616,558 km

• M1: 137,331 km (0.046 R)
• M2: 515,365 km (0.071 R)
• M3: 859,739 km (0.082 R)
• M4: 1,495,530 km (0.105 R)
• M5: 2,069,687 km (0.114 R)
• M6: 2,448,319 km (0.117 R)
• M7: 2,847,147 km (0.088 R)
• M8: 3,222,039 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 13.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.1 AU - 1.58 AU

Year: 1034 Days

Day: 8.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,616,558 km

• M1: 178,620 km (0.112 R)
• M2: 986,748 km (0.117 R)
• M3: 1,565,542 km (0.047 R)
• M4: 2,390,574 km (0.051 R)
• M5: 3,262,879 km (0.1 R)
• M6: 3,977,209 km (0.111 R)
• M7: 4,940,320 km (0.098 R)
• M8: 6,853,826 km (0.118 R)
• M9: 7,573,392 km (0.113 R)
• M10: 8,054,948 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.3

Radius: 8.1

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.17 AU - 1.83 AU

Year: 1225 Days

Day: 11.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 12,616,558 km

• M1: 119,828 km (0.103 R)
• M2: 431,889 km (0.039 R)
• M3: 1,102,836 km (0.051 R)
• M4: 1,693,597 km (0.077 R)
• M5: 2,406,431 km (0.111 R)
• M6: 3,012,004 km (0.113 R)
• M7: 3,764,780 km (0.114 R)
• M8: 4,036,151 km (0.116 R)
• M9: 4,656,383 km (0.1 R)
• M10: 5,009,733 km (0.103 R)
• M11: 5,926,619 km (0.108 R)
• M12: 6,389,475 km (0.039 R)
• M13: 7,387,292 km (0.092 R)
• M14: 7,759,941 km (0.117 R)
• M15: 8,342,475 km (0.082 R)
• M16: 9,377,692 km (0.045 R)
• M17: 10,265,705 km (0.113 R)
• M18: 11,558,979 km (0.101 R)
• M19: 11,952,870 km (0.064 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 19,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit