🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.4

Radius: 8.7

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.58 AU - 0.94 AU

Year: 449 Days

Day: 14.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,619,280 km

• M1: 108,309 km (0.089 R)
• M2: 466,596 km (0.107 R)
• M3: 764,445 km (0.108 R)
• M4: 1,102,686 km (0.12 R)
• M5: 1,391,709 km (0.073 R)
• M6: 1,938,788 km (0.059 R)
• M7: 2,253,393 km (0.115 R)
• M8: 2,843,706 km (0.09 R)
• M9: 3,264,226 km (0.065 R)
• M10: 3,725,735 km (0.034 R)
• M11: 4,173,481 km (0.06 R)
• M12: 4,447,246 km (0.083 R)
• M13: 5,700,128 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 11.2

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.05 AU - 1.23 AU

Year: 826 Days

Day: 10.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,619,280 km

• M1: 139,276 km (0.111 R)
• M2: 520,750 km (0.118 R)
• M3: 895,493 km (0.067 R)
• M4: 1,465,910 km (0.094 R)
• M5: 1,917,246 km (0.117 R)
• M6: 2,368,433 km (0.057 R)
• M7: 2,878,562 km (0.09 R)
• M8: 3,369,542 km (0.105 R)
• M9: 4,746,890 km (0.055 R)
• M10: 5,117,594 km (0.096 R)
• M11: 6,032,833 km (0.066 R)
• M12: 6,840,961 km (0.048 R)
• M13: 7,227,522 km (0.055 R)
• M14: 7,583,266 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.7

Radius: 11.4

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.49 AU - 1.67 AU

Year: 1347 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,619,280 km

• M1: 141,819 km (0.117 R)
• M2: 501,602 km (0.095 R)
• M3: 870,061 km (0.03 R)
• M4: 1,224,608 km (0.12 R)
• M5: 1,669,512 km (0.029 R)
• M6: 2,510,851 km (0.093 R)
• M7: 2,907,883 km (0.12 R)
• M8: 3,316,286 km (0.098 R)
• M9: 4,286,278 km (0.081 R)
• M10: 4,681,067 km (0.071 R)
• M11: 5,522,555 km (0.105 R)
• M12: 6,706,622 km (0.052 R)
• M13: 7,424,991 km (0.059 R)
• M14: 7,913,428 km (0.116 R)
• M15: 8,627,160 km (0.056 R)
• M16: 9,571,421 km (0.11 R)
• M17: 11,379,162 km (0.1 R)
• M18: 12,363,666 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 13.4

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2 AU - 3.02 AU

Year: 2697 Days

Day: 14.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,619,280 km

• M1: 166,652 km (0.1 R)
• M2: 605,722 km (0.106 R)
• M3: 1,336,208 km (0.115 R)
• M4: 1,986,959 km (0.085 R)
• M5: 2,422,588 km (0.103 R)
• M6: 3,021,129 km (0.096 R)
• M7: 3,640,913 km (0.12 R)
• M8: 4,539,847 km (0.094 R)
• M9: 5,161,426 km (0.109 R)
• M10: 7,497,546 km (0.031 R)
• M11: 7,940,954 km (0.108 R)
• M12: 9,021,200 km (0.09 R)
• M13: 10,197,189 km (0.085 R)
• M14: 11,977,703 km (0.046 R)
• M15: 12,541,388 km (0.053 R)
• M16: 13,077,397 km (0.12 R)
• M17: 13,768,988 km (0.088 R)
• M18: 17,214,227 km (0.108 R)
• M19: 18,844,844 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70

Radius: 10.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.18 AU - 3.04 AU

Year: 2860 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,619,280 km

• M1: 165,605 km (0.109 R)
• M2: 644,168 km (0.118 R)
• M3: 1,122,582 km (0.116 R)
• M4: 2,273,140 km (0.092 R)
• M5: 2,714,154 km (0.063 R)
• M6: 3,335,135 km (0.025 R)
• M7: 3,860,971 km (0.109 R)
• M8: 5,400,483 km (0.11 R)
• M9: 7,626,948 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.1

Radius: 11.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.38 AU - 6.54 AU

Year: 8653 Days

Day: 7.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,619,280 km

• M1: 331,359 km (0.06 R)
• M2: 829,969 km (0.114 R)
• M3: 1,361,490 km (0.088 R)
• M4: 2,088,386 km (0.109 R)
• M5: 3,663,053 km (0.108 R)
• M6: 4,346,566 km (0.076 R)
• M7: 8,116,432 km (0.071 R)
• M8: 9,278,060 km (0.101 R)
• M9: 9,665,070 km (0.093 R)
• M10: 10,737,686 km (0.087 R)
• M11: 12,094,240 km (0.119 R)
• M12: 12,727,637 km (0.114 R)
• M13: 13,517,065 km (0.077 R)
• M14: 13,923,672 km (0.064 R)
• M15: 14,619,751 km (0.09 R)
• M16: 15,732,011 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.5

Radius: 5.3

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.65 AU - 9.25 AU

Year: 18160 Days

Day: 24.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,619,280 km

• M1: 66,272 km (0.078 R)
• M2: 276,756 km (0.084 R)
• M3: 465,249 km (0.094 R)
• M4: 641,476 km (0.104 R)
• M5: 1,008,888 km (0.041 R)
• M6: 1,196,185 km (0.048 R)
• M7: 1,785,750 km (0.071 R)
• M8: 2,117,259 km (0.046 R)
• M9: 2,488,860 km (0.102 R)
• M10: 3,138,414 km (0.092 R)
• M11: 3,756,403 km (0.087 R)
• M12: 3,922,755 km (0.089 R)
• M13: 4,270,570 km (0.12 R)
• M14: 4,928,352 km (0.108 R)
• M15: 5,687,561 km (0.111 R)
• M16: 8,243,291 km (0.078 R)
• M17: 8,911,096 km (0.071 R)
• M18: 9,769,788 km (0.102 R)
• M19: 12,429,040 km (0.093 R)
• M20: 17,379,981 km (0.045 R)
• M21: 17,921,825 km (0.101 R)
• M22: 18,395,153 km (0.058 R)
• M23: 20,974,369 km (0.113 R)
• M24: 25,230,728 km (0.11 R)
• M25: 27,352,026 km (0.069 R)
• M26: 29,262,391 km (0.084 R)
• M27: 35,155,051 km (0.099 R)
• M28: 38,965,907 km (0.096 R)
• M29: 39,361,444 km (0.04 R)
• M30: 43,891,417 km (0.052 R)
• M31: 44,176,550 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 10,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit