🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.6

Radius: 12.6

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.45 AU - 0.67 AU

Year: 295 Days

Day: 10.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,966,329 km

• M1: 156,779 km (0.115 R)
• M2: 606,769 km (0.077 R)
• M3: 1,130,960 km (0.12 R)
• M4: 1,630,916 km (0.107 R)
• M5: 2,082,253 km (0.064 R)
• M6: 2,662,393 km (0.099 R)
• M7: 3,274,997 km (0.052 R)
• M8: 3,677,415 km (0.101 R)
• M9: 4,125,460 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.5

Radius: 13.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.57 AU - 0.79 AU

Year: 394 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,966,329 km

• M1: 172,935 km (0.093 R)
• M2: 730,935 km (0.048 R)
• M3: 1,628,074 km (0.097 R)
• M4: 3,763,882 km (0.076 R)
• M5: 4,212,227 km (0.116 R)
• M6: 5,154,544 km (0.077 R)
• M7: 5,642,682 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.1

Radius: 12.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.82 AU - 1 AU

Year: 610 Days

Day: 14 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,966,329 km

• M1: 160,369 km (0.045 R)
• M2: 1,091,915 km (0.092 R)
• M3: 1,530,237 km (0.118 R)
• M4: 2,124,439 km (0.112 R)
• M5: 2,554,533 km (0.09 R)
• M6: 3,126,446 km (0.072 R)
• M7: 3,796,644 km (0.091 R)
• M8: 4,816,004 km (0.11 R)
• M9: 5,443,119 km (0.108 R)
• M10: 5,878,598 km (0.047 R)
• M11: 6,337,415 km (0.078 R)
• M12: 7,370,687 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.8

Radius: 9.3

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.81 AU - 1.23 AU

Year: 724 Days

Day: 14.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,966,329 km

• M1: 115,639 km (0.064 R)
• M2: 594,652 km (0.109 R)
• M3: 928,255 km (0.094 R)
• M4: 1,553,873 km (0.068 R)
• M5: 1,942,678 km (0.082 R)
• M6: 2,406,581 km (0.073 R)
• M7: 2,752,002 km (0.07 R)
• M8: 3,784,976 km (0.103 R)
• M9: 4,254,563 km (0.119 R)
• M10: 4,969,791 km (0.106 R)
• M11: 5,439,827 km (0.086 R)
• M12: 7,322,217 km (0.073 R)
• M13: 8,150,242 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.6

Radius: 8.8

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.21 AU - 1.37 AU

Year: 1030 Days

Day: 14 Hours

Environment

Temp: -188 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,966,329 km

• M1: 109,506 km (0.072 R)
• M2: 897,438 km (0.105 R)
• M3: 1,761,814 km (0.106 R)
• M4: 2,040,365 km (0.115 R)
• M5: 3,020,231 km (0.072 R)
• M6: 3,495,953 km (0.056 R)
• M7: 4,135,184 km (0.114 R)
• M8: 4,579,640 km (0.086 R)
• M9: 8,499,253 km (0.108 R)
• M10: 8,826,424 km (0.077 R)
• M11: 9,275,816 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.8

Radius: 4.4

Gravity: 34.03 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.73 AU - 6.95 AU

Year: 9920 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 28,966,329 km

• M1: 54,753 km (0.097 R)
• M2: 298,149 km (0.047 R)
• M3: 477,666 km (0.074 R)
• M4: 754,572 km (0.103 R)
• M5: 1,177,634 km (0.034 R)
• M6: 1,496,128 km (0.051 R)
• M7: 1,698,385 km (0.057 R)
• M8: 1,837,810 km (0.11 R)
• M9: 2,052,932 km (0.041 R)
• M10: 3,342,166 km (0.117 R)
• M11: 4,113,792 km (0.05 R)
• M12: 4,395,634 km (0.093 R)
• M13: 7,374,726 km (0.093 R)
• M14: 11,476,101 km (0.073 R)
• M15: 14,003,857 km (0.098 R)
• M16: 14,192,799 km (0.091 R)
• M17: 16,040,482 km (0.112 R)
• M18: 16,666,848 km (0.101 R)
• M19: 17,165,159 km (0.039 R)
• M20: 18,266,349 km (0.107 R)
• M21: 20,771,515 km (0.116 R)
• M22: 27,030,241 km (0.042 R)
• M23: 27,717,793 km (0.051 R)
• M24: 30,373,304 km (0.114 R)
• M25: 31,438,292 km (0.059 R)
• M26: 35,829,737 km (0.081 R)
• M27: 44,705,379 km (0.1 R)
• M28: 45,528,018 km (0.089 R)
• M29: 46,780,750 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.2

Radius: 5.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.25 AU - 7.39 AU

Year: 11168 Days

Day: 23 Hours

Environment

Temp: -237 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,966,329 km

• M1: 70,909 km (0.111 R)
• M2: 285,134 km (0.067 R)
• M3: 797,656 km (0.09 R)
• M4: 2,368,284 km (0.116 R)
• M5: 3,387,793 km (0.055 R)
• M6: 7,057,878 km (0.096 R)
• M7: 9,156,586 km (0.059 R)
• M8: 11,082,360 km (0.098 R)
• M9: 15,944,739 km (0.105 R)
• M10: 17,381,477 km (0.037 R)
• M11: 19,494,996 km (0.057 R)
• M12: 20,786,475 km (0.089 R)
• M13: 21,917,584 km (0.086 R)
• M14: 23,765,866 km (0.09 R)
• M15: 24,224,533 km (0.091 R)
• M16: 28,449,326 km (0.069 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 14,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit