🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.8

Radius: 10.4

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.54 AU - 0.66 AU

Year: 315 Days

Day: 8.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,236,261 km

• M1: 129,402 km (0.062 R)
• M2: 553,512 km (0.082 R)
• M3: 1,241,812 km (0.09 R)
• M4: 1,607,579 km (0.11 R)
• M5: 1,957,787 km (0.098 R)
• M6: 2,615,719 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.4

Radius: 13.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.48 AU - 1.52 AU

Year: 1246 Days

Day: 13.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,236,261 km

• M1: 166,802 km (0.08 R)
• M2: 634,744 km (0.081 R)
• M3: 1,150,557 km (0.076 R)
• M4: 1,779,467 km (0.065 R)
• M5: 2,347,490 km (0.096 R)
• M6: 4,363,321 km (0.111 R)
• M7: 4,934,037 km (0.053 R)
• M8: 5,591,370 km (0.07 R)
• M9: 7,257,741 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.3

Radius: 14.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.38 AU - 2.06 AU

Year: 1530 Days

Day: 13.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,236,261 km

• M1: 175,329 km (0.097 R)
• M2: 645,964 km (0.118 R)
• M3: 1,181,823 km (0.089 R)
• M4: 1,863,241 km (0.092 R)
• M5: 2,374,417 km (0.114 R)
• M6: 2,993,902 km (0.103 R)
• M7: 3,523,927 km (0.1 R)
• M8: 4,027,923 km (0.083 R)
• M9: 4,484,645 km (0.076 R)
• M10: 5,373,705 km (0.112 R)
• M11: 6,329,037 km (0.11 R)
• M12: 7,803,474 km (0.103 R)
• M13: 8,255,858 km (0.058 R)
• M14: 9,719,972 km (0.117 R)
• M15: 10,244,612 km (0.097 R)
• M16: 10,684,878 km (0.112 R)
• M17: 11,137,711 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.4

Radius: 12.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.58 AU - 2.44 AU

Year: 1933 Days

Day: 15 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,236,261 km

• M1: 150,645 km (0.11 R)
• M2: 574,007 km (0.08 R)
• M3: 977,772 km (0.103 R)
• M4: 1,676,843 km (0.104 R)
• M5: 2,076,269 km (0.088 R)
• M6: 2,467,766 km (0.086 R)
• M7: 3,100,117 km (0.106 R)
• M8: 3,554,445 km (0.045 R)
• M9: 4,002,641 km (0.053 R)
• M10: 5,191,495 km (0.117 R)
• M11: 5,643,280 km (0.112 R)
• M12: 6,233,743 km (0.092 R)
• M13: 6,697,197 km (0.113 R)
• M14: 7,134,173 km (0.089 R)
• M15: 9,104,975 km (0.111 R)
• M16: 9,581,295 km (0.109 R)
• M17: 10,168,616 km (0.064 R)
• M18: 10,584,349 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.9

Radius: 14.7

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.99 AU - 4.33 AU

Year: 4749 Days

Day: 14.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,236,261 km

• M1: 182,809 km (0.113 R)
• M2: 709,393 km (0.119 R)
• M3: 1,175,989 km (0.108 R)
• M4: 1,693,298 km (0.111 R)
• M5: 2,908,183 km (0.068 R)
• M6: 3,836,737 km (0.105 R)
• M7: 4,902,621 km (0.113 R)
• M8: 6,631,973 km (0.082 R)
• M9: 7,096,474 km (0.043 R)
• M10: 8,165,650 km (0.096 R)
• M11: 10,053,575 km (0.085 R)
• M12: 10,713,302 km (0.108 R)
• M13: 12,365,760 km (0.118 R)
• M14: 18,083,540 km (0.074 R)
• M15: 20,979,306 km (0.09 R)
• M16: 23,478,189 km (0.063 R)
• M17: 25,842,883 km (0.1 R)
• M18: 27,420,243 km (0.104 R)
• M19: 29,681,714 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.3

Radius: 6

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.65 AU - 6.75 AU

Year: 9230 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 155.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,236,261 km

• M1: 74,649 km (0.12 R)
• M2: 276,158 km (0.115 R)
• M3: 550,371 km (0.11 R)
• M4: 762,500 km (0.079 R)
• M5: 1,001,408 km (0.098 R)
• M6: 1,335,610 km (0.088 R)
• M7: 1,755,830 km (0.083 R)
• M8: 2,004,761 km (0.045 R)
• M9: 2,483,923 km (0.11 R)
• M10: 2,896,065 km (0.111 R)
• M11: 3,418,760 km (0.079 R)
• M12: 4,568,569 km (0.106 R)
• M13: 5,859,599 km (0.101 R)
• M14: 6,939,546 km (0.082 R)
• M15: 7,793,750 km (0.099 R)
• M16: 8,067,065 km (0.05 R)
• M17: 8,306,422 km (0.096 R)
• M18: 9,010,429 km (0.099 R)
• M19: 11,311,245 km (0.034 R)
• M20: 14,380,395 km (0.108 R)
• M21: 16,199,505 km (0.075 R)
• M22: 16,709,334 km (0.054 R)
• M23: 17,033,363 km (0.08 R)
• M24: 17,560,546 km (0.069 R)
• M25: 22,098,747 km (0.08 R)
• M26: 22,963,872 km (0.104 R)
• M27: 23,364,495 km (0.119 R)
• M28: 23,769,755 km (0.052 R)
• M29: 25,694,631 km (0.118 R)
• M30: 32,791,255 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.7

Radius: 4.1

Gravity: 54.41 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.45 AU - 6.59 AU

Year: 11292 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,236,261 km

• M1: 51,312 km (0.101 R)
• M2: 378,931 km (0.116 R)
• M3: 693,685 km (0.095 R)
• M4: 2,481,829 km (0.084 R)
• M5: 4,790,573 km (0.067 R)
• M6: 5,402,129 km (0.119 R)
• M7: 5,544,845 km (0.08 R)
• M8: 6,026,101 km (0.109 R)
• M9: 7,592,092 km (0.109 R)
• M10: 10,093,668 km (0.087 R)
• M11: 14,418,243 km (0.09 R)
• M12: 17,638,187 km (0.103 R)
• M13: 18,755,235 km (0.095 R)
• M14: 19,331,186 km (0.078 R)
• M15: 22,205,710 km (0.1 R)
• M16: 25,853,953 km (0.078 R)
• M17: 31,007,899 km (0.076 R)
• M18: 31,350,927 km (0.116 R)
• M19: 40,500,931 km (0.06 R)
• M20: 43,286,443 km (0.074 R)
• M21: 48,463,427 km (0.118 R)
• M22: 53,380,559 km (0.104 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 17,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit