🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889

Radius: 12.4

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.48 AU - 0.68 AU

Year: 295 Days

Day: 7.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,947,474 km

• M1: 154,235 km (0.074 R)
• M2: 546,481 km (0.108 R)
• M3: 1,002,904 km (0.045 R)
• M4: 1,588,281 km (0.076 R)
• M5: 2,751,105 km (0.118 R)
• M6: 3,174,616 km (0.047 R)
• M7: 3,665,447 km (0.103 R)
• M8: 4,206,543 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.1

Radius: 12.3

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.74 AU - 1 AU

Year: 541 Days

Day: 10 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,947,474 km

• M1: 153,039 km (0.059 R)
• M2: 603,478 km (0.076 R)
• M3: 1,366,726 km (0.114 R)
• M4: 1,965,866 km (0.096 R)
• M5: 2,489,009 km (0.102 R)
• M6: 2,988,068 km (0.101 R)
• M7: 3,391,533 km (0.077 R)
• M8: 3,919,015 km (0.047 R)
• M9: 4,697,822 km (0.114 R)
• M10: 5,094,256 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.5

Radius: 9.1

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.31 AU - 1.75 AU

Year: 1262 Days

Day: 7.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,947,474 km

• M1: 113,246 km (0.102 R)
• M2: 578,046 km (0.098 R)
• M3: 1,305,092 km (0.092 R)
• M4: 1,613,712 km (0.026 R)
• M5: 2,477,640 km (0.093 R)
• M6: 5,289,332 km (0.111 R)
• M7: 5,929,312 km (0.076 R)
• M8: 6,740,431 km (0.028 R)
• M9: 7,134,921 km (0.105 R)
• M10: 7,466,879 km (0.081 R)
• M11: 7,970,425 km (0.062 R)
• M12: 8,553,258 km (0.076 R)
• M13: 9,679,880 km (0.08 R)

Asteroid Belt

Center: 4.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.5

Radius: 5.8

Gravity: 21.54 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.14 AU - 8.54 AU

Year: 13261 Days

Day: 20.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,947,474 km

• M1: 72,256 km (0.102 R)
• M2: 382,223 km (0.113 R)
• M3: 865,872 km (0.083 R)
• M4: 1,378,395 km (0.085 R)
• M5: 2,285,556 km (0.071 R)
• M6: 2,489,757 km (0.096 R)
• M7: 2,958,597 km (0.073 R)
• M8: 3,868,451 km (0.085 R)
• M9: 5,437,135 km (0.083 R)
• M10: 6,461,880 km (0.082 R)
• M11: 6,665,034 km (0.087 R)
• M12: 11,032,993 km (0.117 R)
• M13: 13,700,323 km (0.084 R)
• M14: 15,578,374 km (0.068 R)
• M15: 17,230,384 km (0.103 R)
• M16: 37,520,193 km (0.116 R)
• M17: 38,841,741 km (0.081 R)
• M18: 49,285,916 km (0.108 R)
• M19: 50,709,938 km (0.075 R)
• M20: 53,309,052 km (0.038 R)
• M21: 53,806,016 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 18,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit