🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.7

Radius: 9.7

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.49 AU - 0.55 AU

Year: 250 Days

Day: 5.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,483,485 km

• M1: 120,576 km (0.119 R)
• M2: 429,495 km (0.069 R)
• M3: 1,350,719 km (0.095 R)
• M4: 1,664,426 km (0.05 R)
• M5: 2,042,460 km (0.057 R)
• M6: 2,810,794 km (0.082 R)
• M7: 4,379,627 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.1

Radius: 11.1

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.16 AU - 1.18 AU

Year: 844 Days

Day: 7.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,483,485 km

• M1: 138,079 km (0.1 R)
• M2: 496,366 km (0.046 R)
• M3: 1,357,900 km (0.048 R)
• M4: 1,785,002 km (0.12 R)
• M5: 2,677,054 km (0.046 R)
• M6: 3,080,370 km (0.088 R)
• M7: 3,454,514 km (0.105 R)
• M8: 4,072,952 km (0.099 R)
• M9: 5,156,190 km (0.109 R)
• M10: 6,067,241 km (0.095 R)
• M11: 7,219,593 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.1

Radius: 13

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.08 AU - 2.18 AU

Year: 2073 Days

Day: 7.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,483,485 km

• M1: 161,715 km (0.092 R)
• M2: 661,821 km (0.117 R)
• M3: 2,230,055 km (0.101 R)
• M4: 2,680,046 km (0.11 R)
• M5: 3,531,258 km (0.11 R)
• M6: 4,117,831 km (0.098 R)
• M7: 5,006,592 km (0.118 R)
• M8: 5,451,047 km (0.107 R)
• M9: 6,690,017 km (0.098 R)
• M10: 7,569,054 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.9

Radius: 14.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.46 AU - 4.28 AU

Year: 5077 Days

Day: 10.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,483,485 km

• M1: 177,872 km (0.091 R)
• M2: 737,817 km (0.11 R)
• M3: 1,686,118 km (0.087 R)
• M4: 2,779,080 km (0.1 R)
• M5: 7,325,658 km (0.089 R)
• M6: 9,601,341 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.5

Radius: 7.5

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.1 AU - 8.76 AU

Year: 13506 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,483,485 km

• M1: 93,499 km (0.113 R)
• M2: 487,091 km (0.115 R)
• M3: 767,138 km (0.073 R)
• M4: 2,823,959 km (0.105 R)
• M5: 3,679,659 km (0.061 R)
• M6: 3,964,643 km (0.116 R)
• M7: 4,434,380 km (0.099 R)
• M8: 5,418,435 km (0.086 R)
• M9: 6,578,566 km (0.098 R)
• M10: 7,157,211 km (0.09 R)
• M11: 8,549,518 km (0.049 R)
• M12: 14,423,927 km (0.069 R)
• M13: 15,465,727 km (0.066 R)
• M14: 16,837,540 km (0.027 R)
• M15: 21,025,382 km (0.098 R)
• M16: 25,391,695 km (0.097 R)
• M17: 25,671,294 km (0.113 R)
• M18: 39,118,198 km (0.071 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 13,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit