🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 13.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.97 AU - 2.01 AU

Year: 1785 Days

Day: 7.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,876,489 km

• M1: 167,849 km (0.053 R)
• M2: 657,333 km (0.094 R)
• M3: 1,934,450 km (0.113 R)
• M4: 2,788,355 km (0.11 R)
• M5: 3,302,822 km (0.067 R)
• M6: 3,801,581 km (0.057 R)
• M7: 4,350,605 km (0.056 R)
• M8: 5,306,536 km (0.114 R)
• M9: 6,323,502 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.4

Radius: 8.3

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.95 AU - 2.53 AU

Year: 2132 Days

Day: 13.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 16,876,489 km

• M1: 103,223 km (0.087 R)
• M2: 392,246 km (0.029 R)
• M3: 656,136 km (0.108 R)
• M4: 988,244 km (0.106 R)
• M5: 1,441,375 km (0.09 R)
• M6: 1,812,677 km (0.118 R)
• M7: 2,234,394 km (0.071 R)
• M8: 2,822,762 km (0.118 R)
• M9: 3,226,078 km (0.115 R)
• M10: 4,015,207 km (0.108 R)
• M11: 4,485,842 km (0.074 R)
• M12: 4,992,679 km (0.105 R)
• M13: 5,679,184 km (0.069 R)
• M14: 6,906,784 km (0.1 R)
• M15: 7,438,455 km (0.074 R)
• M16: 7,699,802 km (0.086 R)
• M17: 8,936,079 km (0.061 R)
• M18: 9,533,573 km (0.06 R)
• M19: 10,335,567 km (0.116 R)
• M20: 11,333,385 km (0.115 R)
• M21: 11,914,872 km (0.109 R)
• M22: 12,556,796 km (0.089 R)
• M23: 13,562,693 km (0.057 R)
• M24: 15,544,715 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 15

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.5 AU - 3.58 AU

Year: 3370 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,876,489 km

• M1: 186,549 km (0.09 R)
• M2: 965,056 km (0.113 R)
• M3: 1,437,785 km (0.108 R)
• M4: 2,177,995 km (0.076 R)
• M5: 4,545,830 km (0.088 R)
• M6: 5,045,637 km (0.05 R)
• M7: 6,621,202 km (0.101 R)
• M8: 10,117,154 km (0.112 R)
• M9: 10,642,542 km (0.113 R)
• M10: 11,836,333 km (0.093 R)
• M11: 13,023,243 km (0.068 R)
• M12: 13,792,325 km (0.025 R)
• M13: 14,288,242 km (0.104 R)
• M14: 17,634,148 km (0.111 R)
• M15: 20,560,133 km (0.065 R)
• M16: 21,736,571 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.6

Radius: 12.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.92 AU - 4.4 AU

Year: 4452 Days

Day: 9.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,876,489 km

• M1: 155,582 km (0.079 R)
• M2: 554,859 km (0.078 R)
• M3: 1,067,979 km (0.074 R)
• M4: 1,681,630 km (0.094 R)
• M5: 2,084,048 km (0.105 R)
• M6: 2,641,450 km (0.087 R)
• M7: 3,422,350 km (0.096 R)
• M8: 3,818,486 km (0.104 R)
• M9: 4,818,547 km (0.095 R)
• M10: 6,174,503 km (0.118 R)
• M11: 6,794,735 km (0.101 R)
• M12: 15,996,949 km (0.115 R)
• M13: 16,951,384 km (0.042 R)
• M14: 17,442,663 km (0.087 R)
• M15: 18,683,727 km (0.101 R)
• M16: 19,862,259 km (0.109 R)
• M17: 20,716,313 km (0.056 R)

Asteroid Belt

Center: 4.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.2

Radius: 13.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.13 AU - 6.31 AU

Year: 7583 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 16,876,489 km

• M1: 172,935 km (0.067 R)
• M2: 876,344 km (0.046 R)
• M3: 1,850,077 km (0.049 R)
• M4: 2,660,000 km (0.109 R)
• M5: 3,105,053 km (0.112 R)
• M6: 4,280,593 km (0.076 R)
• M7: 5,258,216 km (0.118 R)
• M8: 5,767,447 km (0.091 R)
• M9: 6,557,323 km (0.072 R)
• M10: 9,550,029 km (0.066 R)
• M11: 10,756,984 km (0.094 R)
• M12: 12,117,727 km (0.042 R)
• M13: 12,896,533 km (0.095 R)
• M14: 13,649,310 km (0.097 R)
• M15: 14,802,111 km (0.109 R)
• M16: 16,150,586 km (0.102 R)
• M17: 21,160,469 km (0.074 R)
• M18: 22,953,848 km (0.08 R)
• M19: 27,782,419 km (0.117 R)
• M20: 29,631,149 km (0.099 R)
• M21: 35,556,123 km (0.035 R)
• M22: 38,439,322 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12

Radius: 8

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.65 AU - 10.37 AU

Year: 15784 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,876,489 km

• M1: 100,530 km (0.093 R)
• M2: 530,175 km (0.098 R)
• M3: 782,397 km (0.093 R)
• M4: 1,056,909 km (0.028 R)
• M5: 1,886,130 km (0.093 R)
• M6: 2,184,129 km (0.077 R)
• M7: 3,222,787 km (0.038 R)
• M8: 3,597,978 km (0.099 R)
• M9: 6,572,582 km (0.079 R)
• M10: 7,581,022 km (0.031 R)
• M11: 12,825,624 km (0.05 R)
• M12: 16,035,396 km (0.103 R)
• M13: 16,826,170 km (0.119 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: 497 - 14,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit