🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.8

Radius: 14.5

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.5 AU - 0.82 AU

Year: 370 Days

Day: 9.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,380,173 km

• M1: 180,415 km (0.109 R)
• M2: 832,662 km (0.089 R)
• M3: 1,348,326 km (0.078 R)
• M4: 2,245,165 km (0.101 R)
• M5: 2,818,723 km (0.108 R)
• M6: 3,512,558 km (0.09 R)
• M7: 4,007,428 km (0.064 R)
• M8: 4,576,648 km (0.084 R)
• M9: 5,169,504 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.1

Radius: 12.6

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.76 AU - 0.84 AU

Year: 494 Days

Day: 9.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 14,380,173 km

• M1: 156,779 km (0.059 R)
• M2: 710,291 km (0.106 R)
• M3: 2,064,899 km (0.056 R)
• M4: 2,842,808 km (0.106 R)
• M5: 3,523,778 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.4

Radius: 12.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.62 AU - 1.68 AU

Year: 1463 Days

Day: 8.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,380,173 km

• M1: 151,692 km (0.036 R)
• M2: 543,788 km (0.083 R)
• M3: 959,371 km (0.075 R)
• M4: 1,391,859 km (0.08 R)
• M5: 1,804,300 km (0.06 R)
• M6: 2,195,648 km (0.118 R)
• M7: 2,683,337 km (0.105 R)
• M8: 3,067,355 km (0.099 R)
• M9: 5,818,310 km (0.1 R)
• M10: 6,910,674 km (0.072 R)
• M11: 8,305,075 km (0.114 R)
• M12: 8,710,785 km (0.061 R)
• M13: 9,879,294 km (0.084 R)
• M14: 11,536,689 km (0.114 R)
• M15: 12,450,582 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.4

Radius: 8.4

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.53 AU - 2.03 AU

Year: 1639 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,380,173 km

• M1: 104,868 km (0.068 R)
• M2: 404,812 km (0.082 R)
• M3: 738,864 km (0.111 R)
• M4: 1,308,832 km (0.065 R)
• M5: 2,026,752 km (0.109 R)
• M6: 2,400,298 km (0.107 R)
• M7: 2,746,168 km (0.098 R)
• M8: 3,436,263 km (0.069 R)
• M9: 5,688,309 km (0.034 R)
• M10: 6,306,448 km (0.062 R)
• M11: 7,359,018 km (0.114 R)
• M12: 8,123,164 km (0.06 R)
• M13: 9,003,997 km (0.118 R)
• M14: 9,808,534 km (0.047 R)
• M15: 10,228,306 km (0.034 R)
• M16: 10,843,602 km (0.107 R)
• M17: 13,045,533 km (0.091 R)
• M18: 13,769,138 km (0.104 R)
• M19: 15,342,608 km (0.073 R)
• M20: 15,956,408 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.7

Radius: 14.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.96 AU - 2.4 AU

Year: 2222 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 150 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,380,173 km

• M1: 180,714 km (0.052 R)
• M2: 855,999 km (0.12 R)
• M3: 1,984,416 km (0.113 R)
• M4: 2,466,869 km (0.061 R)
• M5: 3,973,170 km (0.096 R)
• M6: 4,561,688 km (0.044 R)
• M7: 5,106,224 km (0.065 R)
• M8: 5,870,520 km (0.038 R)
• M9: 8,951,189 km (0.076 R)
• M10: 10,521,368 km (0.097 R)
• M11: 11,940,752 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113

Radius: 9.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.81 AU - 3.85 AU

Year: 5174 Days

Day: 8.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,380,173 km

• M1: 115,938 km (0.098 R)
• M2: 543,190 km (0.105 R)
• M3: 981,811 km (0.076 R)
• M4: 2,059,215 km (0.111 R)
• M5: 3,695,965 km (0.071 R)
• M6: 4,087,163 km (0.118 R)
• M7: 6,581,110 km (0.083 R)
• M8: 7,619,319 km (0.098 R)
• M9: 10,968,366 km (0.082 R)
• M10: 13,825,536 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.8

Radius: 14.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.44 AU - 4.74 AU

Year: 6788 Days

Day: 5 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,380,173 km

• M1: 183,856 km (0.076 R)
• M2: 704,606 km (0.091 R)
• M3: 1,215,931 km (0.075 R)
• M4: 3,350,843 km (0.072 R)
• M5: 4,063,826 km (0.109 R)
• M6: 4,904,267 km (0.094 R)
• M7: 5,889,967 km (0.107 R)
• M8: 6,826,600 km (0.094 R)
• M9: 7,331,044 km (0.098 R)
• M10: 7,821,725 km (0.053 R)
• M11: 9,693,044 km (0.096 R)
• M12: 10,472,599 km (0.091 R)
• M13: 14,362,742 km (0.099 R)
• M14: 15,133,919 km (0.109 R)
• M15: 15,995,304 km (0.104 R)
• M16: 17,216,022 km (0.063 R)
• M17: 17,883,229 km (0.118 R)
• M18: 23,368,384 km (0.052 R)
• M19: 25,023,984 km (0.1 R)
• M20: 34,282,147 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.8

Radius: 10.7

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.42 AU - 6.54 AU

Year: 8855 Days

Day: 7.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 14,380,173 km

• M1: 133,142 km (0.119 R)
• M2: 1,545,795 km (0.088 R)
• M3: 2,011,792 km (0.117 R)
• M4: 3,071,693 km (0.103 R)
• M5: 3,417,563 km (0.052 R)
• M6: 3,893,285 km (0.099 R)
• M7: 4,327,717 km (0.1 R)
• M8: 4,704,554 km (0.11 R)
• M9: 5,198,376 km (0.098 R)
• M10: 5,898,644 km (0.037 R)
• M11: 6,813,285 km (0.104 R)
• M12: 7,487,373 km (0.078 R)
• M13: 8,469,633 km (0.097 R)
• M14: 12,560,536 km (0.101 R)
• M15: 15,427,879 km (0.086 R)
• M16: 17,084,974 km (0.059 R)
• M17: 19,087,641 km (0.068 R)
• M18: 20,185,390 km (0.104 R)
• M19: 20,994,864 km (0.076 R)
• M20: 26,313,667 km (0.08 R)
• M21: 26,697,236 km (0.049 R)
• M22: 29,694,280 km (0.112 R)
• M23: 30,847,231 km (0.114 R)
• M24: 31,380,996 km (0.119 R)
• M25: 35,641,693 km (0.114 R)
• M26: 39,516,577 km (0.099 R)
• M27: 41,555,446 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.4

Radius: 6.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.63 AU - 7.29 AU

Year: 11333 Days

Day: 24.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,380,173 km

• M1: 83,326 km (0.087 R)
• M2: 650,152 km (0.103 R)
• M3: 861,684 km (0.08 R)
• M4: 5,554,120 km (0.116 R)
• M5: 8,526,929 km (0.109 R)
• M6: 11,252,453 km (0.119 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: 238 - 12,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit