🌌 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: 143

Radius: 15

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.43 AU - 0.71 AU

Year: 292 Days

Day: 12.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,862,512 km

• M1: 186,549 km (0.109 R)
• M2: 688,898 km (0.105 R)
• M3: 1,253,481 km (0.047 R)
• M4: 1,908,121 km (0.053 R)
• M5: 2,512,047 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.1

Radius: 11.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.5 AU - 0.76 AU

Year: 339 Days

Day: 10.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,862,512 km

• M1: 140,472 km (0.097 R)
• M2: 543,639 km (0.107 R)
• M3: 920,625 km (0.068 R)
• M4: 1,773,932 km (0.063 R)
• M5: 2,195,947 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.5

Radius: 13.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.51 AU - 4.17 AU

Year: 4140 Days

Day: 12.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,862,512 km

• M1: 170,392 km (0.087 R)
• M2: 658,679 km (0.116 R)
• M3: 1,516,773 km (0.049 R)
• M4: 3,169,530 km (0.102 R)
• M5: 3,602,915 km (0.112 R)
• M6: 4,212,526 km (0.026 R)
• M7: 4,941,367 km (0.071 R)
• M8: 6,161,338 km (0.116 R)
• M9: 7,135,370 km (0.102 R)
• M10: 8,540,842 km (0.08 R)
• M11: 10,249,997 km (0.057 R)
• M12: 10,765,362 km (0.115 R)
• M13: 11,343,109 km (0.082 R)
• M14: 12,129,844 km (0.062 R)
• M15: 15,090,685 km (0.07 R)
• M16: 20,322,721 km (0.086 R)
• M17: 21,763,349 km (0.105 R)
• M18: 26,573,668 km (0.076 R)
• M19: 27,466,319 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.3

Radius: 12.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.23 AU - 4.79 AU

Year: 6496 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,862,512 km

• M1: 159,322 km (0.069 R)
• M2: 598,391 km (0.094 R)
• M3: 1,133,054 km (0.082 R)
• M4: 1,633,160 km (0.102 R)
• M5: 2,608,538 km (0.092 R)
• M6: 3,914,677 km (0.116 R)
• M7: 4,795,809 km (0.059 R)
• M8: 6,193,053 km (0.088 R)
• M9: 7,022,124 km (0.048 R)
• M10: 7,538,985 km (0.034 R)
• M11: 10,705,972 km (0.089 R)
• M12: 17,707,302 km (0.105 R)
• M13: 20,541,284 km (0.098 R)
• M14: 23,420,444 km (0.068 R)
• M15: 24,745,133 km (0.118 R)
• M16: 27,362,348 km (0.056 R)
• M17: 29,490,228 km (0.114 R)
• M18: 29,966,997 km (0.112 R)
• M19: 30,935,942 km (0.083 R)
• M20: 35,021,909 km (0.109 R)
• M21: 35,449,310 km (0.078 R)
• M22: 36,423,790 km (0.093 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: 284 - 19,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit