🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.9

Radius: 13

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.56 AU - 0.72 AU

Year: 347 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,366,588 km

• M1: 161,715 km (0.087 R)
• M2: 612,753 km (0.119 R)
• M3: 1,077,254 km (0.034 R)
• M4: 1,512,135 km (0.057 R)
• M5: 1,989,502 km (0.062 R)
• M6: 2,415,557 km (0.093 R)
• M7: 4,079,085 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 9.1

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.69 AU - 0.73 AU

Year: 406 Days

Day: 9.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,366,588 km

• M1: 113,246 km (0.076 R)
• M2: 482,154 km (0.092 R)
• M3: 933,790 km (0.103 R)
• M4: 1,364,333 km (0.076 R)
• M5: 1,676,543 km (0.078 R)
• M6: 2,111,275 km (0.085 R)
• M7: 2,600,460 km (0.11 R)
• M8: 3,415,619 km (0.114 R)
• M9: 3,869,798 km (0.106 R)
• M10: 4,239,903 km (0.083 R)
• M11: 5,066,880 km (0.056 R)
• M12: 5,365,328 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.2

Radius: 12.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.83 AU - 1.13 AU

Year: 658 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,366,588 km

• M1: 160,369 km (0.069 R)
• M2: 585,676 km (0.099 R)
• M3: 1,016,218 km (0.116 R)
• M4: 1,480,570 km (0.112 R)
• M5: 2,279,872 km (0.085 R)
• M6: 2,824,258 km (0.104 R)
• M7: 3,797,243 km (0.044 R)
• M8: 4,315,300 km (0.11 R)
• M9: 4,747,040 km (0.114 R)
• M10: 5,225,304 km (0.089 R)
• M11: 5,849,277 km (0.097 R)
• M12: 7,380,261 km (0.091 R)
• M13: 8,048,066 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.9

Radius: 10.1

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.51 AU - 1.65 AU

Year: 1347 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,366,588 km

• M1: 131,497 km (0.116 R)
• M2: 462,407 km (0.096 R)
• M3: 911,949 km (0.114 R)
• M4: 1,376,899 km (0.054 R)
• M5: 2,395,361 km (0.096 R)
• M6: 2,874,822 km (0.028 R)
• M7: 3,417,264 km (0.065 R)
• M8: 3,838,382 km (0.11 R)
• M9: 4,535,209 km (0.096 R)
• M10: 5,147,364 km (0.094 R)
• M11: 5,658,390 km (0.11 R)
• M12: 6,202,926 km (0.074 R)
• M13: 7,213,909 km (0.065 R)
• M14: 7,882,162 km (0.057 R)
• M15: 9,066,977 km (0.101 R)
• M16: 10,803,509 km (0.093 R)
• M17: 11,499,588 km (0.074 R)
• M18: 12,675,278 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.1

Radius: 9.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.09 AU - 2.45 AU

Year: 2320 Days

Day: 11.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,366,588 km

• M1: 114,442 km (0.088 R)
• M2: 608,265 km (0.091 R)
• M3: 995,424 km (0.059 R)
• M4: 1,412,353 km (0.082 R)
• M5: 1,932,655 km (0.059 R)
• M6: 2,274,187 km (0.104 R)
• M7: 2,576,375 km (0.044 R)
• M8: 3,065,560 km (0.112 R)
• M9: 3,484,284 km (0.078 R)
• M10: 4,029,867 km (0.106 R)
• M11: 4,670,745 km (0.072 R)
• M12: 4,995,073 km (0.092 R)
• M13: 5,576,709 km (0.088 R)
• M14: 6,012,638 km (0.086 R)
• M15: 6,823,608 km (0.1 R)
• M16: 7,295,888 km (0.05 R)
• M17: 7,622,610 km (0.097 R)
• M18: 8,044,925 km (0.089 R)
• M19: 10,091,124 km (0.086 R)
• M20: 11,020,426 km (0.068 R)
• M21: 11,671,027 km (0.116 R)
• M22: 13,048,824 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.5

Radius: 4.1

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.86 AU - 7.04 AU

Year: 11110 Days

Day: 17 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,366,588 km

• M1: 51,162 km (0.118 R)
• M2: 398,230 km (0.064 R)
• M3: 564,134 km (0.12 R)
• M4: 806,931 km (0.091 R)
• M5: 974,929 km (0.117 R)
• M6: 1,238,820 km (0.081 R)
• M7: 2,664,338 km (0.113 R)
• M8: 2,885,593 km (0.093 R)
• M9: 3,079,323 km (0.04 R)
• M10: 5,037,110 km (0.062 R)
• M11: 6,515,286 km (0.119 R)
• M12: 8,931,890 km (0.059 R)
• M13: 9,681,974 km (0.092 R)
• M14: 13,689,552 km (0.084 R)
• M15: 17,444,009 km (0.118 R)
• M16: 20,039,084 km (0.072 R)
• M17: 24,916,273 km (0.119 R)
• M18: 25,566,276 km (0.038 R)
• M19: 26,394,749 km (0.077 R)
• M20: 29,978,366 km (0.108 R)
• M21: 31,085,540 km (0.103 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: 524 - 18,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit