🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 9.2

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.52 AU - 0.54 AU

Year: 262 Days

Day: 7.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,590,607 km

• M1: 114,442 km (0.11 R)
• M2: 422,764 km (0.077 R)
• M3: 781,200 km (0.06 R)
• M4: 1,080,695 km (0.108 R)
• M5: 1,548,188 km (0.064 R)
• M6: 2,025,705 km (0.029 R)
• M7: 2,369,181 km (0.052 R)
• M8: 2,751,404 km (0.08 R)
• M9: 3,094,582 km (0.057 R)
• M10: 3,607,702 km (0.109 R)
• M11: 3,902,410 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.54 AU - 0.62 AU

Year: 300 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,590,607 km

• M1: 112,049 km (0.085 R)
• M2: 446,101 km (0.08 R)
• M3: 729,888 km (0.094 R)
• M4: 1,162,375 km (0.11 R)
• M5: 1,691,204 km (0.118 R)
• M6: 2,018,225 km (0.1 R)
• M7: 2,498,135 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 12.3

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.54 AU - 0.7 AU

Year: 331 Days

Day: 5 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,590,607 km

• M1: 153,039 km (0.114 R)
• M2: 664,813 km (0.089 R)
• M3: 1,083,687 km (0.071 R)
• M4: 1,470,397 km (0.091 R)
• M5: 1,876,705 km (0.092 R)
• M6: 2,510,551 km (0.115 R)
• M7: 3,250,313 km (0.082 R)
• M8: 4,448,293 km (0.097 R)
• M9: 5,058,951 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.7

Radius: 12.6

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.51 AU - 0.79 AU

Year: 355 Days

Day: 13.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,590,607 km

• M1: 156,629 km (0.102 R)
• M2: 873,502 km (0.115 R)
• M3: 1,288,786 km (0.102 R)
• M4: 1,791,584 km (0.111 R)
• M5: 2,209,860 km (0.095 R)
• M6: 2,823,660 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.3

Radius: 12

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1 AU - 1.04 AU

Year: 699 Days

Day: 9.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,590,607 km

• M1: 149,448 km (0.108 R)
• M2: 565,929 km (0.032 R)
• M3: 944,262 km (0.119 R)
• M4: 1,373,009 km (0.112 R)
• M5: 1,748,051 km (0.097 R)
• M6: 2,632,923 km (0.072 R)
• M7: 4,072,952 km (0.106 R)
• M8: 4,743,748 km (0.101 R)
• M9: 5,437,434 km (0.056 R)
• M10: 5,878,299 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.8

Radius: 8

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.22 AU - 2.32 AU

Year: 2320 Days

Day: 7.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,590,607 km

• M1: 99,782 km (0.12 R)
• M2: 431,141 km (0.115 R)
• M3: 748,588 km (0.091 R)
• M4: 1,206,208 km (0.058 R)
• M5: 1,553,424 km (0.116 R)
• M6: 1,931,458 km (0.086 R)
• M7: 2,737,491 km (0.113 R)
• M8: 4,497,510 km (0.105 R)
• M9: 4,796,257 km (0.109 R)
• M10: 5,410,057 km (0.103 R)
• M11: 5,773,131 km (0.062 R)
• M12: 6,152,362 km (0.113 R)
• M13: 8,303,729 km (0.118 R)
• M14: 10,025,301 km (0.081 R)
• M15: 10,278,870 km (0.088 R)
• M16: 11,611,637 km (0.113 R)
• M17: 13,665,915 km (0.071 R)
• M18: 15,465,278 km (0.118 R)
• M19: 16,597,585 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.6

Radius: 12.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.06 AU - 2.54 AU

Year: 2366 Days

Day: 5.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,590,607 km

• M1: 151,842 km (0.058 R)
• M2: 541,544 km (0.106 R)
• M3: 1,078,152 km (0.083 R)
• M4: 1,846,636 km (0.054 R)
• M5: 2,250,102 km (0.104 R)
• M6: 2,881,105 km (0.034 R)
• M7: 3,527,667 km (0.117 R)
• M8: 4,065,173 km (0.108 R)
• M9: 4,617,189 km (0.102 R)
• M10: 5,686,514 km (0.097 R)
• M11: 6,279,819 km (0.106 R)
• M12: 8,826,723 km (0.081 R)
• M13: 9,267,289 km (0.081 R)
• M14: 10,890,276 km (0.102 R)
• M15: 12,111,144 km (0.116 R)
• M16: 13,135,740 km (0.102 R)
• M17: 13,586,329 km (0.085 R)
• M18: 14,047,090 km (0.056 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.3

Radius: 12

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.48 AU - 3.2 AU

Year: 3246 Days

Day: 11.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,590,607 km

• M1: 151,393 km (0.052 R)
• M2: 668,702 km (0.062 R)
• M3: 1,095,056 km (0.108 R)
• M4: 1,797,269 km (0.116 R)
• M5: 2,271,494 km (0.106 R)
• M6: 2,689,171 km (0.114 R)
• M7: 3,090,243 km (0.102 R)
• M8: 3,758,347 km (0.067 R)
• M9: 4,743,599 km (0.054 R)
• M10: 5,211,990 km (0.073 R)
• M11: 5,972,845 km (0.09 R)
• M12: 6,352,524 km (0.113 R)
• M13: 6,981,882 km (0.082 R)
• M14: 7,906,846 km (0.063 R)
• M15: 9,664,322 km (0.116 R)
• M16: 11,255,893 km (0.087 R)
• M17: 12,614,392 km (0.099 R)
• M18: 13,015,464 km (0.106 R)
• M19: 16,275,201 km (0.082 R)
• M20: 17,236,068 km (0.104 R)
• M21: 17,841,790 km (0.103 R)
• M22: 18,979,183 km (0.11 R)
• M23: 19,863,456 km (0.078 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 17,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit