🌌 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: 619.9

Radius: 9.5

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.62 AU - 0.78 AU

Year: 404 Days

Day: 14.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,936,427 km

• M1: 118,182 km (0.112 R)
• M2: 442,511 km (0.11 R)
• M3: 831,016 km (0.082 R)
• M4: 1,266,496 km (0.094 R)
• M5: 1,675,347 km (0.101 R)
• M6: 2,318,617 km (0.109 R)
• M7: 2,683,038 km (0.064 R)
• M8: 3,064,064 km (0.083 R)
• M9: 3,612,340 km (0.037 R)
• M10: 4,292,262 km (0.072 R)
• M11: 4,979,515 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.5

Radius: 13.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.81 AU - 0.93 AU

Year: 560 Days

Day: 9.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,936,427 km

• M1: 171,738 km (0.088 R)
• M2: 643,720 km (0.079 R)
• M3: 1,551,180 km (0.067 R)
• M4: 2,208,813 km (0.102 R)
• M5: 2,951,267 km (0.118 R)
• M6: 3,466,781 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638

Radius: 13.4

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.83 AU - 1.11 AU

Year: 659 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,936,427 km

• M1: 166,652 km (0.077 R)
• M2: 816,356 km (0.047 R)
• M3: 1,529,040 km (0.091 R)
• M4: 2,008,950 km (0.066 R)
• M5: 2,579,366 km (0.107 R)
• M6: 3,294,594 km (0.079 R)
• M7: 3,727,081 km (0.115 R)
• M8: 4,302,584 km (0.106 R)
• M9: 4,953,634 km (0.102 R)
• M10: 6,005,457 km (0.12 R)
• M11: 7,222,585 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.7

Radius: 14.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.64 AU - 3.26 AU

Year: 3497 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 54.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,936,427 km

• M1: 175,478 km (0.084 R)
• M2: 639,980 km (0.061 R)
• M3: 1,097,001 km (0.118 R)
• M4: 1,844,542 km (0.079 R)
• M5: 2,559,620 km (0.068 R)
• M6: 3,830,154 km (0.063 R)
• M7: 4,434,530 km (0.118 R)
• M8: 7,450,572 km (0.071 R)
• M9: 8,862,776 km (0.097 R)
• M10: 9,383,975 km (0.102 R)
• M11: 10,204,071 km (0.084 R)
• M12: 10,693,854 km (0.03 R)
• M13: 11,371,383 km (0.09 R)
• M14: 11,853,537 km (0.119 R)
• M15: 14,422,731 km (0.096 R)
• M16: 15,515,543 km (0.096 R)
• M17: 17,057,598 km (0.094 R)
• M18: 17,516,564 km (0.069 R)
• M19: 20,062,271 km (0.104 R)
• M20: 21,623,026 km (0.11 R)
• M21: 23,899,457 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.9

Radius: 8.1

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.84 AU - 5.48 AU

Year: 6944 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,936,427 km

• M1: 100,829 km (0.034 R)
• M2: 454,478 km (0.105 R)
• M3: 743,950 km (0.051 R)
• M4: 1,045,091 km (0.116 R)
• M5: 1,723,966 km (0.08 R)
• M6: 2,591,334 km (0.107 R)
• M7: 4,942,863 km (0.117 R)
• M8: 5,660,335 km (0.101 R)
• M9: 9,145,516 km (0.05 R)
• M10: 10,518,974 km (0.071 R)
• M11: 13,434,188 km (0.119 R)
• M12: 14,087,931 km (0.035 R)
• M13: 17,678,280 km (0.074 R)
• M14: 19,495,295 km (0.11 R)
• M15: 20,410,236 km (0.103 R)
• M16: 29,079,283 km (0.101 R)
• M17: 29,572,657 km (0.051 R)
• M18: 35,486,261 km (0.084 R)
• M19: 36,276,736 km (0.036 R)
• M20: 36,848,499 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.2

Radius: 7.1

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.14 AU - 6.3 AU

Year: 9443 Days

Day: 22.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,936,427 km

• M1: 88,263 km (0.108 R)
• M2: 352,303 km (0.077 R)
• M3: 610,659 km (0.026 R)
• M4: 1,154,297 km (0.054 R)
• M5: 1,667,268 km (0.087 R)
• M6: 1,889,720 km (0.111 R)
• M7: 2,323,105 km (0.09 R)
• M8: 2,966,526 km (0.091 R)
• M9: 3,273,052 km (0.099 R)
• M10: 3,722,893 km (0.11 R)
• M11: 5,742,913 km (0.065 R)
• M12: 7,332,988 km (0.116 R)
• M13: 8,356,687 km (0.114 R)
• M14: 9,333,710 km (0.096 R)
• M15: 10,634,314 km (0.105 R)
• M16: 11,354,329 km (0.118 R)
• M17: 11,834,089 km (0.101 R)
• M18: 13,889,115 km (0.057 R)
• M19: 16,304,373 km (0.044 R)
• M20: 20,353,837 km (0.098 R)
• M21: 25,838,843 km (0.066 R)
• M22: 31,084,792 km (0.097 R)
• M23: 32,445,833 km (0.084 R)
• M24: 32,979,748 km (0.116 R)
• M25: 39,851,826 km (0.082 R)
• M26: 40,958,700 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810

Radius: 5.3

Gravity: 28.84 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.66 AU - 8.16 AU

Year: 12538 Days

Day: 19.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,936,427 km

• M1: 65,973 km (0.074 R)
• M2: 245,341 km (0.045 R)
• M3: 457,021 km (0.103 R)
• M4: 1,136,794 km (0.084 R)
• M5: 1,400,236 km (0.085 R)
• M6: 1,655,450 km (0.076 R)
• M7: 2,299,020 km (0.105 R)
• M8: 3,121,060 km (0.103 R)
• M9: 4,365,565 km (0.095 R)
• M10: 4,649,203 km (0.084 R)
• M11: 4,845,176 km (0.112 R)
• M12: 10,021,711 km (0.069 R)
• M13: 10,911,070 km (0.062 R)
• M14: 14,096,458 km (0.091 R)
• M15: 15,863,059 km (0.04 R)
• M16: 18,822,703 km (0.093 R)
• M17: 19,828,899 km (0.057 R)
• M18: 20,258,544 km (0.039 R)
• M19: 20,519,293 km (0.062 R)
• M20: 22,593,168 km (0.075 R)
• M21: 24,310,552 km (0.077 R)
• M22: 25,402,018 km (0.092 R)
• M23: 26,318,903 km (0.062 R)
• M24: 28,218,497 km (0.087 R)
• M25: 28,761,986 km (0.07 R)
• M26: 31,236,335 km (0.079 R)
• M27: 37,120,318 km (0.041 R)
• M28: 41,567,863 km (0.068 R)
• M29: 43,413,152 km (0.054 R)
• M30: 51,180,274 km (0.057 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 13,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit