🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 8.7

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.87 AU - 0.87 AU

Year: 560 Days

Day: 7.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,520,103 km

• M1: 108,758 km (0.101 R)
• M2: 431,141 km (0.056 R)
• M3: 719,865 km (0.108 R)
• M4: 1,288,786 km (0.089 R)
• M5: 1,573,171 km (0.081 R)
• M6: 2,044,704 km (0.085 R)
• M7: 2,607,940 km (0.067 R)
• M8: 2,946,629 km (0.054 R)
• M9: 3,701,201 km (0.111 R)
• M10: 4,430,491 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 11.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.79 AU - 1.13 AU

Year: 649 Days

Day: 8.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,520,103 km

• M1: 139,276 km (0.086 R)
• M2: 490,083 km (0.099 R)
• M3: 904,020 km (0.101 R)
• M4: 1,300,305 km (0.087 R)
• M5: 1,692,999 km (0.052 R)
• M6: 2,215,694 km (0.037 R)
• M7: 2,734,799 km (0.111 R)
• M8: 3,168,333 km (0.093 R)
• M9: 3,576,287 km (0.118 R)
• M10: 4,227,785 km (0.087 R)
• M11: 5,151,552 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 11

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.97 AU - 1.21 AU

Year: 786 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,520,103 km

• M1: 138,528 km (0.087 R)
• M2: 484,996 km (0.1 R)
• M3: 1,028,037 km (0.101 R)
• M4: 1,379,292 km (0.082 R)
• M5: 1,972,149 km (0.092 R)
• M6: 2,336,719 km (0.064 R)
• M7: 3,326,757 km (0.082 R)
• M8: 4,034,206 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 11.4

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.54 AU - 2.06 AU

Year: 1667 Days

Day: 7.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,520,103 km

• M1: 142,118 km (0.096 R)
• M2: 504,294 km (0.104 R)
• M3: 878,588 km (0.111 R)
• M4: 1,696,141 km (0.107 R)
• M5: 2,676,904 km (0.094 R)
• M6: 3,749,222 km (0.064 R)
• M7: 5,175,488 km (0.103 R)
• M8: 5,652,855 km (0.07 R)
• M9: 6,748,809 km (0.12 R)
• M10: 7,403,599 km (0.064 R)
• M11: 8,040,586 km (0.069 R)
• M12: 8,403,212 km (0.101 R)
• M13: 10,705,523 km (0.096 R)
• M14: 11,219,541 km (0.052 R)
• M15: 13,442,416 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.8

Radius: 12.6

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.54 AU - 4.86 AU

Year: 7033 Days

Day: 13.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,520,103 km

• M1: 167,849 km (0.104 R)
• M2: 693,685 km (0.085 R)
• M3: 1,258,716 km (0.114 R)
• M4: 1,850,825 km (0.115 R)
• M5: 2,390,574 km (0.113 R)
• M6: 3,791,408 km (0.105 R)
• M7: 5,586,732 km (0.102 R)
• M8: 6,205,170 km (0.108 R)
• M9: 8,012,911 km (0.062 R)
• M10: 9,280,154 km (0.083 R)
• M11: 10,774,487 km (0.028 R)
• M12: 11,476,550 km (0.11 R)
• M13: 14,473,893 km (0.095 R)
• M14: 17,006,286 km (0.106 R)
• M15: 17,820,398 km (0.051 R)
• M16: 21,967,101 km (0.071 R)
• M17: 22,366,078 km (0.042 R)
• M18: 31,500,375 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694

Radius: 5.5

Gravity: 22.94 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.04 AU - 7.46 AU

Year: 10785 Days

Day: 22.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 39,520,103 km

• M1: 70,461 km (0.117 R)
• M2: 420,669 km (0.088 R)
• M3: 621,579 km (0.082 R)
• M4: 830,268 km (0.089 R)
• M5: 1,178,382 km (0.085 R)
• M6: 1,725,163 km (0.109 R)
• M7: 2,038,271 km (0.096 R)
• M8: 2,799,275 km (0.057 R)
• M9: 2,998,989 km (0.076 R)
• M10: 4,584,277 km (0.107 R)
• M11: 4,799,848 km (0.058 R)
• M12: 6,053,478 km (0.052 R)
• M13: 6,275,481 km (0.065 R)
• M14: 6,696,898 km (0.032 R)
• M15: 8,947,897 km (0.068 R)
• M16: 9,933,598 km (0.054 R)
• M17: 10,558,767 km (0.086 R)
• M18: 10,989,759 km (0.032 R)
• M19: 14,018,218 km (0.093 R)
• M20: 14,870,627 km (0.052 R)
• M21: 19,256,836 km (0.082 R)
• M22: 19,737,793 km (0.119 R)
• M23: 20,309,108 km (0.109 R)
• M24: 23,695,405 km (0.038 R)
• M25: 23,970,516 km (0.086 R)
• M26: 24,433,671 km (0.117 R)
• M27: 24,620,668 km (0.074 R)
• M28: 24,997,355 km (0.058 R)
• M29: 27,540,669 km (0.029 R)
• M30: 29,823,084 km (0.098 R)
• M31: 32,792,751 km (0.09 R)
• M32: 34,524,945 km (0.106 R)
• M33: 35,592,924 km (0.077 R)
• M34: 38,548,529 km (0.056 R)
• M35: 44,942,342 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.7

Radius: 5.7

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.19 AU - 7.59 AU

Year: 13867 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,520,103 km

• M1: 72,405 km (0.107 R)
• M2: 296,353 km (0.106 R)
• M3: 507,885 km (0.112 R)
• M4: 878,439 km (0.067 R)
• M5: 1,073,514 km (0.116 R)
• M6: 1,455,288 km (0.091 R)
• M7: 1,746,854 km (0.118 R)
• M8: 2,042,011 km (0.112 R)
• M9: 2,796,134 km (0.104 R)
• M10: 3,016,491 km (0.09 R)
• M11: 3,853,641 km (0.108 R)
• M12: 5,252,531 km (0.042 R)
• M13: 5,657,791 km (0.092 R)
• M14: 6,880,305 km (0.106 R)
• M15: 8,540,393 km (0.045 R)
• M16: 10,242,667 km (0.059 R)
• M17: 10,714,499 km (0.071 R)
• M18: 13,541,001 km (0.087 R)
• M19: 14,366,781 km (0.045 R)
• M20: 18,463,070 km (0.045 R)
• M21: 20,282,629 km (0.111 R)
• M22: 23,544,910 km (0.083 R)
• M23: 24,550,806 km (0.098 R)
• M24: 25,017,402 km (0.096 R)
• M25: 26,064,736 km (0.086 R)
• M26: 26,844,440 km (0.053 R)
• M27: 31,632,320 km (0.111 R)
• M28: 35,043,750 km (0.12 R)
• M29: 37,572,403 km (0.117 R)
• M30: 40,478,491 km (0.049 R)
• M31: 40,738,043 km (0.073 R)
• M32: 42,052,709 km (0.118 R)
• M33: 47,594,114 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.8

Radius: 4.3

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.63 AU - 10.41 AU

Year: 18699 Days

Day: 20.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,520,103 km

• M1: 53,406 km (0.081 R)
• M2: 685,009 km (0.116 R)
• M3: 2,977,446 km (0.099 R)
• M4: 4,203,551 km (0.111 R)
• M5: 4,445,450 km (0.034 R)
• M6: 4,668,351 km (0.032 R)
• M7: 9,011,626 km (0.096 R)
• M8: 9,688,856 km (0.112 R)
• M9: 13,765,398 km (0.065 R)
• M10: 14,661,938 km (0.059 R)
• M11: 15,981,541 km (0.116 R)
• M12: 17,106,217 km (0.053 R)
• M13: 21,339,987 km (0.083 R)
• M14: 23,950,320 km (0.101 R)
• M15: 25,952,837 km (0.069 R)
• M16: 27,132,715 km (0.111 R)
• M17: 28,728,775 km (0.099 R)
• M18: 38,580,393 km (0.082 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 16,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit