🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.3

Radius: 9.9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.82 AU - 1.14 AU

Year: 670 Days

Day: 7.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,678,579 km

• M1: 123,269 km (0.107 R)
• M2: 566,527 km (0.096 R)
• M3: 979,118 km (0.082 R)
• M4: 1,634,506 km (0.115 R)
• M5: 2,069,238 km (0.062 R)
• M6: 2,499,631 km (0.062 R)
• M7: 3,080,669 km (0.101 R)
• M8: 3,670,533 km (0.043 R)
• M9: 4,363,471 km (0.114 R)
• M10: 5,043,243 km (0.064 R)
• M11: 5,598,102 km (0.043 R)
• M12: 6,063,650 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.63 AU - 1.87 AU

Year: 1598 Days

Day: 12 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 91,678,579 km

• M1: 99,483 km (0.044 R)
• M2: 462,108 km (0.102 R)
• M3: 1,407,716 km (0.098 R)
• M4: 2,375,315 km (0.071 R)
• M5: 2,834,730 km (0.108 R)
• M6: 3,588,853 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.3

Radius: 13.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.53 AU - 2.05 AU

Year: 1653 Days

Day: 12 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,678,579 km

• M1: 169,644 km (0.083 R)
• M2: 1,073,365 km (0.106 R)
• M3: 1,989,801 km (0.076 R)
• M4: 2,496,788 km (0.062 R)
• M5: 3,123,903 km (0.081 R)
• M6: 3,549,209 km (0.096 R)
• M7: 4,122,319 km (0.106 R)
• M8: 5,307,433 km (0.025 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.1

Radius: 7.3

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.35 AU - 8.85 AU

Year: 13059 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,678,579 km

• M1: 92,751 km (0.068 R)
• M2: 602,281 km (0.072 R)
• M3: 976,126 km (0.092 R)
• M4: 1,563,148 km (0.085 R)
• M5: 1,928,616 km (0.094 R)
• M6: 4,269,523 km (0.034 R)
• M7: 4,723,254 km (0.084 R)
• M8: 9,738,373 km (0.066 R)
• M9: 11,099,414 km (0.07 R)
• M10: 11,825,562 km (0.088 R)
• M11: 12,950,239 km (0.092 R)
• M12: 19,783,720 km (0.073 R)
• M13: 20,532,308 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.1

Radius: 4.5

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.99 AU - 8.21 AU

Year: 15913 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,678,579 km

• M1: 76,893 km (0.115 R)
• M2: 393,442 km (0.114 R)
• M3: 682,615 km (0.117 R)
• M4: 1,004,849 km (0.066 R)
• M5: 1,317,508 km (0.051 R)
• M6: 1,618,200 km (0.114 R)
• M7: 2,280,171 km (0.03 R)
• M8: 3,222,937 km (0.113 R)
• M9: 3,953,124 km (0.088 R)
• M10: 8,250,023 km (0.085 R)
• M11: 16,338,032 km (0.113 R)
• M12: 18,374,059 km (0.099 R)
• M13: 20,983,495 km (0.102 R)
• M14: 24,010,009 km (0.109 R)
• M15: 27,118,504 km (0.117 R)
• M16: 39,652,860 km (0.084 R)
• M17: 42,498,661 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.9

Radius: 7.2

Gravity: 17.71 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.98 AU - 12.64 AU

Year: 22851 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,678,579 km

• M1: 94,247 km (0.054 R)
• M2: 319,990 km (0.062 R)
• M3: 1,091,616 km (0.104 R)
• M4: 1,537,866 km (0.11 R)
• M5: 2,254,739 km (0.097 R)
• M6: 2,898,010 km (0.083 R)
• M7: 3,626,252 km (0.081 R)
• M8: 4,327,268 km (0.067 R)
• M9: 5,907,321 km (0.091 R)
• M10: 6,264,411 km (0.094 R)
• M11: 8,773,915 km (0.061 R)
• M12: 10,409,618 km (0.115 R)
• M13: 10,733,498 km (0.068 R)
• M14: 11,815,090 km (0.074 R)
• M15: 12,454,621 km (0.043 R)
• M16: 18,425,820 km (0.108 R)
• M17: 19,382,349 km (0.102 R)
• M18: 21,290,171 km (0.119 R)
• M19: 26,182,320 km (0.055 R)
• M20: 29,142,862 km (0.106 R)
• M21: 30,439,726 km (0.068 R)
• M22: 34,847,926 km (0.105 R)
• M23: 35,136,800 km (0.109 R)
• M24: 35,427,169 km (0.096 R)
• M25: 36,456,403 km (0.115 R)
• M26: 36,903,551 km (0.079 R)
• M27: 38,574,260 km (0.079 R)
• M28: 40,772,900 km (0.106 R)
• M29: 42,066,024 km (0.105 R)
• M30: 43,219,872 km (0.108 R)
• M31: 43,888,425 km (0.089 R)
• M32: 45,418,213 km (0.109 R)
• M33: 46,457,619 km (0.06 R)
• M34: 62,504,833 km (0.078 R)
• M35: 63,359,934 km (0.041 R)
• M36: 75,677,374 km (0.096 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 15,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit