🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.67 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.4

Radius: 8.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.82 AU - 3.84 AU

Year: 4194 Days

Day: 13.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,399,927 km

• M1: 104,419 km (0.105 R)
• M2: 407,505 km (0.118 R)
• M3: 1,520,513 km (0.087 R)
• M4: 1,890,019 km (0.082 R)
• M5: 2,225,568 km (0.08 R)
• M6: 2,586,098 km (0.102 R)
• M7: 2,858,367 km (0.109 R)
• M8: 3,496,701 km (0.119 R)
• M9: 3,811,604 km (0.083 R)
• M10: 4,186,048 km (0.113 R)
• M11: 4,715,923 km (0.11 R)
• M12: 5,556,813 km (0.115 R)
• M13: 5,883,834 km (0.085 R)
• M14: 6,772,146 km (0.087 R)
• M15: 7,593,738 km (0.116 R)
• M16: 7,965,638 km (0.108 R)
• M17: 8,812,960 km (0.112 R)
• M18: 10,801,714 km (0.068 R)
• M19: 15,104,299 km (0.068 R)
• M20: 15,792,748 km (0.09 R)
• M21: 18,202,321 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532

Radius: 15

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.05 AU - 3.96 AU

Year: 4520 Days

Day: 11.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,399,927 km

• M1: 186,549 km (0.034 R)
• M2: 682,465 km (0.055 R)
• M3: 1,199,027 km (0.071 R)
• M4: 2,810,346 km (0.106 R)
• M5: 3,543,974 km (0.107 R)
• M6: 4,449,340 km (0.12 R)
• M7: 5,450,748 km (0.082 R)
• M8: 6,091,775 km (0.1 R)
• M9: 7,492,460 km (0.056 R)
• M10: 8,004,384 km (0.116 R)
• M11: 8,947,449 km (0.052 R)
• M12: 10,044,599 km (0.106 R)
• M13: 10,710,908 km (0.099 R)
• M14: 11,317,827 km (0.067 R)
• M15: 12,085,862 km (0.091 R)
• M16: 12,888,305 km (0.058 R)
• M17: 14,184,122 km (0.118 R)
• M18: 16,345,213 km (0.115 R)
• M19: 17,445,206 km (0.032 R)
• M20: 24,138,065 km (0.118 R)
• M21: 25,487,737 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.8

Radius: 8.1

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.18 AU - 4.46 AU

Year: 5154 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,399,927 km

• M1: 100,979 km (0.113 R)
• M2: 520,750 km (0.068 R)
• M3: 819,647 km (0.112 R)
• M4: 1,599,949 km (0.106 R)
• M5: 2,369,780 km (0.041 R)
• M6: 3,754,009 km (0.064 R)
• M7: 4,572,609 km (0.079 R)
• M8: 6,530,097 km (0.085 R)
• M9: 6,827,647 km (0.113 R)
• M10: 7,134,322 km (0.092 R)
• M11: 8,315,248 km (0.097 R)
• M12: 9,171,845 km (0.102 R)
• M13: 9,929,409 km (0.108 R)
• M14: 10,892,819 km (0.111 R)
• M15: 11,269,806 km (0.082 R)
• M16: 13,145,165 km (0.113 R)
• M17: 20,317,784 km (0.091 R)
• M18: 20,761,492 km (0.048 R)
• M19: 22,466,010 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170

Radius: 10.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.3 AU - 5.12 AU

Year: 5963 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,399,927 km

• M1: 128,205 km (0.093 R)
• M2: 492,327 km (0.044 R)
• M3: 1,045,390 km (0.081 R)
• M4: 1,568,683 km (0.095 R)
• M5: 2,073,875 km (0.072 R)
• M6: 2,779,528 km (0.115 R)
• M7: 3,303,869 km (0.063 R)
• M8: 3,734,561 km (0.118 R)
• M9: 5,872,913 km (0.072 R)
• M10: 6,281,764 km (0.057 R)
• M11: 7,187,430 km (0.07 R)
• M12: 8,311,957 km (0.119 R)
• M13: 8,688,495 km (0.044 R)
• M14: 11,442,292 km (0.114 R)
• M15: 15,797,984 km (0.12 R)
• M16: 18,028,189 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.7

Radius: 8.7

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.88 AU - 5.68 AU

Year: 7214 Days

Day: 13 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,399,927 km

• M1: 108,458 km (0.116 R)
• M2: 383,868 km (0.101 R)
• M3: 660,026 km (0.054 R)
• M4: 1,128,417 km (0.037 R)
• M5: 1,494,932 km (0.061 R)
• M6: 2,096,614 km (0.112 R)
• M7: 3,776,299 km (0.041 R)
• M8: 4,281,491 km (0.11 R)
• M9: 4,633,644 km (0.12 R)
• M10: 5,872,764 km (0.093 R)
• M11: 6,308,243 km (0.108 R)
• M12: 7,434,117 km (0.053 R)
• M13: 7,944,096 km (0.059 R)
• M14: 8,603,673 km (0.105 R)
• M15: 10,125,981 km (0.12 R)
• M16: 10,654,809 km (0.039 R)
• M17: 12,956,073 km (0.117 R)
• M18: 14,163,478 km (0.067 R)
• M19: 14,703,227 km (0.062 R)
• M20: 15,823,864 km (0.088 R)
• M21: 17,000,452 km (0.101 R)
• M22: 18,234,335 km (0.057 R)
• M23: 18,873,118 km (0.074 R)
• M24: 21,421,966 km (0.07 R)
• M25: 23,436,451 km (0.094 R)
• M26: 25,049,565 km (0.078 R)
• M27: 27,745,319 km (0.112 R)
• M28: 29,646,408 km (0.12 R)
• M29: 33,811,961 km (0.074 R)
• M30: 37,777,501 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.1

Radius: 7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.17 AU - 8.39 AU

Year: 13558 Days

Day: 15.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,399,927 km

• M1: 87,066 km (0.091 R)
• M2: 318,045 km (0.114 R)
• M3: 813,513 km (0.114 R)
• M4: 1,128,866 km (0.091 R)
• M5: 2,666,133 km (0.112 R)
• M6: 4,771,274 km (0.111 R)
• M7: 7,638,617 km (0.067 R)
• M8: 11,092,832 km (0.093 R)
• M9: 11,338,172 km (0.088 R)
• M10: 12,619,478 km (0.118 R)
• M11: 14,454,745 km (0.09 R)
• M12: 15,958,652 km (0.081 R)
• M13: 16,397,722 km (0.111 R)
• M14: 21,697,077 km (0.095 R)
• M15: 22,783,905 km (0.12 R)
• M16: 25,403,514 km (0.04 R)
• M17: 32,817,135 km (0.113 R)
• M18: 33,937,474 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 16,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit