🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.6

Radius: 11.3

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.41 AU - 0.63 AU

Year: 254 Days

Day: 8.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,672,499 km

• M1: 140,472 km (0.117 R)
• M2: 560,094 km (0.101 R)
• M3: 1,215,782 km (0.09 R)
• M4: 1,626,428 km (0.115 R)
• M5: 2,175,452 km (0.063 R)
• M6: 2,596,271 km (0.058 R)
• M7: 3,139,910 km (0.118 R)
• M8: 3,648,094 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.3

Radius: 9.1

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.88 AU - 0.9 AU

Year: 569 Days

Day: 10.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,672,499 km

• M1: 113,395 km (0.099 R)
• M2: 489,933 km (0.097 R)
• M3: 792,270 km (0.101 R)
• M4: 1,155,344 km (0.112 R)
• M5: 1,574,966 km (0.102 R)
• M6: 1,921,136 km (0.092 R)
• M7: 2,238,433 km (0.084 R)
• M8: 3,434,767 km (0.117 R)
• M9: 3,877,128 km (0.106 R)
• M10: 4,172,584 km (0.102 R)
• M11: 5,029,480 km (0.096 R)
• M12: 5,788,390 km (0.053 R)
• M13: 6,355,516 km (0.025 R)
• M14: 6,684,033 km (0.095 R)
• M15: 7,023,770 km (0.061 R)
• M16: 7,308,305 km (0.072 R)
• M17: 7,784,325 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845

Radius: 9.5

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.93 AU - 1.51 AU

Year: 914 Days

Day: 11.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,672,499 km

• M1: 118,182 km (0.115 R)
• M2: 459,265 km (0.119 R)
• M3: 926,609 km (0.093 R)
• M4: 1,251,536 km (0.071 R)
• M5: 1,852,620 km (0.114 R)
• M6: 2,696,801 km (0.105 R)
• M7: 3,840,327 km (0.034 R)
• M8: 4,297,049 km (0.067 R)
• M9: 4,807,776 km (0.088 R)
• M10: 5,125,821 km (0.092 R)
• M11: 5,721,371 km (0.091 R)
• M12: 6,451,259 km (0.093 R)
• M13: 7,635,924 km (0.032 R)
• M14: 8,174,476 km (0.061 R)
• M15: 9,015,815 km (0.115 R)
• M16: 9,646,968 km (0.085 R)
• M17: 9,943,471 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 13.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.38 AU - 2.04 AU

Year: 1517 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,672,499 km

• M1: 164,258 km (0.09 R)
• M2: 586,124 km (0.107 R)
• M3: 1,232,238 km (0.111 R)
• M4: 1,704,817 km (0.099 R)
• M5: 2,223,324 km (0.112 R)
• M6: 2,808,550 km (0.084 R)
• M7: 3,306,562 km (0.113 R)
• M8: 4,377,832 km (0.119 R)
• M9: 4,900,228 km (0.117 R)
• M10: 5,504,603 km (0.053 R)
• M11: 6,180,187 km (0.117 R)
• M12: 7,247,718 km (0.033 R)
• M13: 8,272,912 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205

Radius: 11.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.89 AU - 2.29 AU

Year: 2049 Days

Day: 12.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,672,499 km

• M1: 149,747 km (0.078 R)
• M2: 687,103 km (0.078 R)
• M3: 1,348,924 km (0.074 R)
• M4: 1,831,826 km (0.069 R)
• M5: 2,429,469 km (0.08 R)
• M6: 3,682,501 km (0.118 R)
• M7: 4,201,307 km (0.12 R)
• M8: 5,090,367 km (0.113 R)
• M9: 5,757,124 km (0.044 R)
• M10: 6,189,014 km (0.108 R)
• M11: 8,682,960 km (0.096 R)
• M12: 9,968,454 km (0.064 R)
• M13: 10,753,394 km (0.078 R)

Asteroid Belt

Center: 3.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.9

Radius: 9.3

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.07 AU - 6.39 AU

Year: 8112 Days

Day: 8.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,672,499 km

• M1: 124,615 km (0.061 R)
• M2: 657,183 km (0.069 R)
• M3: 1,265,448 km (0.108 R)
• M4: 2,618,112 km (0.117 R)
• M5: 5,295,166 km (0.119 R)
• M6: 7,969,378 km (0.086 R)
• M7: 12,566,820 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.6

Radius: 7

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 7.54 AU - 9.3 AU

Year: 16571 Days

Day: 16.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,672,499 km

• M1: 87,515 km (0.059 R)
• M2: 318,045 km (0.115 R)
• M3: 600,785 km (0.06 R)
• M4: 1,187,209 km (0.037 R)
• M5: 1,493,884 km (0.1 R)
• M6: 3,308,357 km (0.107 R)
• M7: 4,696,476 km (0.066 R)
• M8: 6,473,100 km (0.072 R)
• M9: 8,291,911 km (0.078 R)
• M10: 12,485,737 km (0.107 R)
• M11: 12,843,426 km (0.075 R)
• M12: 14,085,088 km (0.114 R)
• M13: 17,536,012 km (0.094 R)
• M14: 18,288,040 km (0.09 R)
• M15: 19,139,851 km (0.039 R)
• M16: 20,507,923 km (0.072 R)
• M17: 22,460,924 km (0.116 R)
• M18: 25,857,543 km (0.041 R)
• M19: 26,831,126 km (0.077 R)
• M20: 27,127,928 km (0.066 R)
• M21: 30,431,348 km (0.106 R)
• M22: 31,846,694 km (0.101 R)
• M23: 35,516,629 km (0.091 R)
• M24: 36,355,424 km (0.088 R)
• M25: 42,466,198 km (0.079 R)
• M26: 42,869,514 km (0.098 R)
• M27: 44,923,792 km (0.043 R)
• M28: 46,471,382 km (0.116 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 17,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit