🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 9.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.56 AU - 0.84 AU

Year: 372 Days

Day: 5.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,082,630 km

• M1: 119,529 km (0.097 R)
• M2: 459,265 km (0.117 R)
• M3: 931,995 km (0.098 R)
• M4: 1,329,327 km (0.11 R)
• M5: 1,811,929 km (0.107 R)
• M6: 2,196,246 km (0.034 R)
• M7: 2,507,410 km (0.097 R)
• M8: 2,996,595 km (0.114 R)
• M9: 3,464,238 km (0.063 R)
• M10: 3,776,598 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.5

Radius: 8.9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.1 AU - 1.48 AU

Year: 932 Days

Day: 12.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,082,630 km

• M1: 110,852 km (0.04 R)
• M2: 389,403 km (0.084 R)
• M3: 691,142 km (0.098 R)
• M4: 974,032 km (0.031 R)
• M5: 1,303,147 km (0.075 R)
• M6: 1,650,962 km (0.12 R)
• M7: 2,144,635 km (0.12 R)
• M8: 2,515,638 km (0.081 R)
• M9: 2,813,188 km (0.06 R)
• M10: 3,121,958 km (0.032 R)
• M11: 3,493,260 km (0.049 R)
• M12: 3,965,840 km (0.029 R)
• M13: 4,248,280 km (0.047 R)
• M14: 4,770,826 km (0.091 R)
• M15: 5,125,223 km (0.101 R)
• M16: 5,868,126 km (0.099 R)
• M17: 7,499,491 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.7

Radius: 8.4

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.74 AU - 2.2 AU

Year: 1758 Days

Day: 11.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,082,630 km

• M1: 104,419 km (0.116 R)
• M2: 547,079 km (0.102 R)
• M3: 837,150 km (0.062 R)
• M4: 1,100,442 km (0.084 R)
• M5: 1,667,418 km (0.083 R)
• M6: 2,276,281 km (0.08 R)
• M7: 2,674,212 km (0.117 R)
• M8: 3,929,936 km (0.092 R)
• M9: 4,585,474 km (0.101 R)
• M10: 5,200,620 km (0.058 R)
• M11: 6,439,889 km (0.119 R)
• M12: 6,992,354 km (0.052 R)
• M13: 7,865,258 km (0.096 R)
• M14: 8,282,486 km (0.117 R)
• M15: 8,872,351 km (0.067 R)
• M16: 9,357,646 km (0.099 R)
• M17: 9,724,610 km (0.074 R)
• M18: 9,997,476 km (0.037 R)
• M19: 11,364,352 km (0.09 R)
• M20: 12,368,602 km (0.106 R)
• M21: 13,599,643 km (0.082 R)
• M22: 14,244,859 km (0.105 R)
• M23: 14,775,632 km (0.077 R)
• M24: 15,273,793 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 12.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.3 AU - 4.16 AU

Year: 4580 Days

Day: 8.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,082,630 km

• M1: 159,172 km (0.083 R)
• M2: 927,656 km (0.083 R)
• M3: 1,665,323 km (0.098 R)
• M4: 2,242,173 km (0.099 R)
• M5: 2,888,436 km (0.068 R)
• M6: 4,577,096 km (0.105 R)
• M7: 5,104,130 km (0.119 R)
• M8: 7,750,965 km (0.097 R)
• M9: 8,796,355 km (0.087 R)
• M10: 9,790,732 km (0.069 R)
• M11: 10,370,573 km (0.031 R)
• M12: 10,973,303 km (0.094 R)
• M13: 12,043,377 km (0.055 R)
• M14: 12,625,013 km (0.076 R)
• M15: 13,576,904 km (0.114 R)
• M16: 15,429,375 km (0.11 R)
• M17: 15,868,445 km (0.088 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 17,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit