🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.7

Radius: 12

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.87 AU - 1.03 AU

Year: 598 Days

Day: 6.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,333,031 km

• M1: 149,299 km (0.111 R)
• M2: 848,519 km (0.081 R)
• M3: 1,321,697 km (0.09 R)
• M4: 1,728,454 km (0.111 R)
• M5: 2,855,375 km (0.087 R)
• M6: 3,429,531 km (0.073 R)
• M7: 4,173,332 km (0.108 R)
• M8: 5,270,782 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848

Radius: 14.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.83 AU - 1.17 AU

Year: 646 Days

Day: 13.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,333,031 km

• M1: 180,864 km (0.036 R)
• M2: 888,462 km (0.08 R)
• M3: 1,455,288 km (0.105 R)
• M4: 1,955,992 km (0.042 R)
• M5: 2,415,108 km (0.118 R)
• M6: 3,543,674 km (0.097 R)
• M7: 4,422,562 km (0.099 R)
• M8: 5,388,067 km (0.051 R)
• M9: 6,067,540 km (0.049 R)
• M10: 6,782,319 km (0.106 R)
• M11: 7,394,174 km (0.091 R)
• M12: 8,090,552 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128

Radius: 14.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.86 AU - 1.16 AU

Year: 655 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,333,031 km

• M1: 175,329 km (0.112 R)
• M2: 716,723 km (0.078 R)
• M3: 1,161,029 km (0.101 R)
• M4: 1,860,698 km (0.065 R)
• M5: 2,325,499 km (0.109 R)
• M6: 3,022,475 km (0.064 R)
• M7: 3,485,780 km (0.097 R)
• M8: 4,327,418 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 11.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.04 AU - 1.7 AU

Year: 1035 Days

Day: 14.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 114.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,333,031 km

• M1: 140,024 km (0.094 R)
• M2: 534,962 km (0.032 R)
• M3: 913,445 km (0.036 R)
• M4: 1,373,458 km (0.097 R)
• M5: 1,732,194 km (0.074 R)
• M6: 2,144,186 km (0.101 R)
• M7: 2,949,472 km (0.026 R)
• M8: 3,543,226 km (0.091 R)
• M9: 3,914,976 km (0.09 R)
• M10: 4,313,056 km (0.108 R)
• M11: 4,790,872 km (0.059 R)
• M12: 5,476,479 km (0.093 R)
• M13: 6,615,068 km (0.051 R)
• M14: 7,112,481 km (0.11 R)
• M15: 7,683,347 km (0.113 R)
• M16: 8,676,228 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.2

Radius: 14.7

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.29 AU - 3.33 AU

Year: 3041 Days

Day: 13.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,333,031 km

• M1: 183,407 km (0.102 R)
• M2: 732,282 km (0.094 R)
• M3: 1,623,586 km (0.093 R)
• M4: 4,046,473 km (0.107 R)
• M5: 5,182,818 km (0.037 R)
• M6: 5,704,167 km (0.108 R)
• M7: 6,611,627 km (0.089 R)
• M8: 7,163,195 km (0.117 R)
• M9: 7,946,639 km (0.105 R)
• M10: 9,454,735 km (0.028 R)
• M11: 10,479,630 km (0.105 R)
• M12: 13,706,007 km (0.102 R)
• M13: 15,333,183 km (0.034 R)
• M14: 16,084,314 km (0.112 R)
• M15: 16,580,082 km (0.11 R)
• M16: 23,074,873 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.6

Radius: 14.1

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.42 AU - 6.54 AU

Year: 9442 Days

Day: 10.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,333,031 km

• M1: 175,329 km (0.094 R)
• M2: 786,586 km (0.051 R)
• M3: 1,300,454 km (0.12 R)
• M4: 1,941,032 km (0.061 R)
• M5: 2,475,845 km (0.096 R)
• M6: 3,039,380 km (0.032 R)
• M7: 3,688,036 km (0.066 R)
• M8: 7,939,757 km (0.114 R)
• M9: 11,076,974 km (0.099 R)
• M10: 12,030,661 km (0.035 R)
• M11: 12,665,704 km (0.092 R)
• M12: 13,132,898 km (0.045 R)
• M13: 16,346,260 km (0.098 R)
• M14: 17,813,815 km (0.094 R)
• M15: 19,988,519 km (0.099 R)
• M16: 20,751,319 km (0.048 R)
• M17: 21,270,573 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.4

Radius: 7.8

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.47 AU - 8.39 AU

Year: 11779 Days

Day: 21.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,333,031 km

• M1: 97,239 km (0.042 R)
• M2: 368,460 km (0.077 R)
• M3: 808,277 km (0.06 R)
• M4: 1,203,964 km (0.104 R)
• M5: 1,788,592 km (0.07 R)
• M6: 2,136,407 km (0.025 R)
• M7: 2,655,661 km (0.037 R)
• M8: 5,499,667 km (0.12 R)
• M9: 7,382,655 km (0.106 R)
• M10: 8,281,140 km (0.053 R)
• M11: 11,297,930 km (0.09 R)
• M12: 11,705,585 km (0.071 R)
• M13: 13,958,678 km (0.108 R)
• M14: 18,093,264 km (0.109 R)
• M15: 19,635,020 km (0.072 R)
• M16: 19,886,195 km (0.096 R)
• M17: 21,705,155 km (0.097 R)
• M18: 24,107,398 km (0.065 R)
• M19: 26,579,203 km (0.082 R)
• M20: 28,353,284 km (0.093 R)
• M21: 38,682,120 km (0.043 R)
• M22: 50,475,518 km (0.113 R)
• M23: 55,996,278 km (0.092 R)
• M24: 56,333,023 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 16,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit