🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.4

Radius: 8.3

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.53 AU - 0.83 AU

Year: 374 Days

Day: 9.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 109.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,626,042 km

• M1: 103,223 km (0.04 R)
• M2: 543,938 km (0.114 R)
• M3: 861,385 km (0.095 R)
• M4: 1,763,609 km (0.085 R)
• M5: 2,022,713 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.7

Radius: 9.1

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.19 AU - 1.67 AU

Year: 1140 Days

Day: 11.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,626,042 km

• M1: 113,096 km (0.053 R)
• M2: 437,574 km (0.108 R)
• M3: 819,946 km (0.081 R)
• M4: 1,334,413 km (0.117 R)
• M5: 1,689,259 km (0.12 R)
• M6: 1,977,833 km (0.043 R)
• M7: 2,516,984 km (0.091 R)
• M8: 3,036,238 km (0.111 R)
• M9: 3,641,362 km (0.092 R)
• M10: 4,288,672 km (0.074 R)
• M11: 4,678,075 km (0.096 R)
• M12: 5,070,919 km (0.102 R)
• M13: 5,592,716 km (0.057 R)
• M14: 6,453,951 km (0.098 R)
• M15: 6,866,841 km (0.105 R)
• M16: 7,532,402 km (0.118 R)
• M17: 8,381,370 km (0.106 R)
• M18: 9,081,339 km (0.087 R)
• M19: 10,564,602 km (0.089 R)
• M20: 11,556,585 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.7

Radius: 10

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.27 AU - 1.85 AU

Year: 1299 Days

Day: 13.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,626,042 km

• M1: 124,316 km (0.101 R)
• M2: 481,256 km (0.099 R)
• M3: 892,800 km (0.064 R)
• M4: 1,396,496 km (0.073 R)
• M5: 1,719,777 km (0.088 R)
• M6: 2,137,155 km (0.1 R)
• M7: 2,608,987 km (0.058 R)
• M8: 3,178,356 km (0.116 R)
• M9: 3,586,759 km (0.07 R)
• M10: 4,309,615 km (0.079 R)
• M11: 4,696,625 km (0.102 R)
• M12: 5,540,656 km (0.06 R)
• M13: 6,318,565 km (0.085 R)
• M14: 6,942,239 km (0.11 R)
• M15: 8,090,851 km (0.097 R)
• M16: 8,567,171 km (0.065 R)
• M17: 9,091,661 km (0.049 R)
• M18: 9,761,560 km (0.092 R)
• M19: 11,686,137 km (0.089 R)
• M20: 12,005,828 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.9

Radius: 9.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.6 AU - 1.78 AU

Year: 1465 Days

Day: 11.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,626,042 km

• M1: 114,442 km (0.094 R)
• M2: 551,567 km (0.08 R)
• M3: 1,163,273 km (0.058 R)
• M4: 1,634,506 km (0.046 R)
• M5: 2,156,603 km (0.117 R)
• M6: 2,987,021 km (0.111 R)
• M7: 3,709,429 km (0.067 R)
• M8: 4,595,497 km (0.092 R)
• M9: 6,190,809 km (0.118 R)
• M10: 8,279,793 km (0.108 R)
• M11: 9,133,997 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.6

Radius: 9.7

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.19 AU - 3.69 AU

Year: 4255 Days

Day: 6.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,626,042 km

• M1: 120,576 km (0.085 R)
• M2: 549,024 km (0.067 R)
• M3: 910,752 km (0.109 R)
• M4: 1,368,073 km (0.093 R)
• M5: 1,891,665 km (0.073 R)
• M6: 3,240,290 km (0.078 R)
• M7: 3,547,863 km (0.067 R)
• M8: 4,011,617 km (0.076 R)
• M9: 6,378,105 km (0.116 R)
• M10: 6,964,379 km (0.115 R)
• M11: 7,765,326 km (0.105 R)
• M12: 8,395,881 km (0.082 R)
• M13: 9,508,441 km (0.027 R)
• M14: 10,537,973 km (0.11 R)
• M15: 11,783,076 km (0.079 R)
• M16: 12,969,986 km (0.075 R)
• M17: 15,464,530 km (0.086 R)
• M18: 17,069,117 km (0.102 R)
• M19: 17,879,938 km (0.073 R)
• M20: 20,815,796 km (0.118 R)
• M21: 22,250,738 km (0.111 R)
• M22: 22,917,646 km (0.106 R)
• M23: 23,981,287 km (0.106 R)
• M24: 27,034,130 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.4

Radius: 3.6

Gravity: 74.26 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.29 AU - 8.71 AU

Year: 15089 Days

Day: 18.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,626,042 km

• M1: 46,675 km (0.116 R)
• M2: 192,832 km (0.086 R)
• M3: 679,922 km (0.065 R)
• M4: 1,121,386 km (0.061 R)
• M5: 2,535,385 km (0.081 R)
• M6: 3,590,947 km (0.112 R)
• M7: 3,707,634 km (0.111 R)
• M8: 4,231,525 km (0.074 R)
• M9: 7,004,920 km (0.084 R)
• M10: 9,518,015 km (0.081 R)
• M11: 10,493,393 km (0.067 R)
• M12: 12,707,442 km (0.083 R)
• M13: 14,102,890 km (0.054 R)
• M14: 14,393,709 km (0.051 R)
• M15: 19,878,864 km (0.119 R)
• M16: 22,830,430 km (0.089 R)
• M17: 23,231,353 km (0.069 R)
• M18: 23,944,186 km (0.066 R)
• M19: 31,150,765 km (0.099 R)
• M20: 37,139,317 km (0.048 R)
• M21: 38,535,514 km (0.105 R)
• M22: 41,135,974 km (0.067 R)
• M23: 42,328,418 km (0.086 R)
• M24: 49,467,678 km (0.088 R)
• M25: 50,138,624 km (0.109 R)
• M26: 57,737,897 km (0.103 R)
• M27: 66,475,310 km (0.119 R)
• M28: 68,529,737 km (0.082 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: 219 - 14,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit