🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.36 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.9

Radius: 11.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.31 AU - 3.13 AU

Year: 3043 Days

Day: 6 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,269,220 km

• M1: 143,016 km (0.09 R)
• M2: 771,177 km (0.115 R)
• M3: 1,128,866 km (0.11 R)
• M4: 1,909,467 km (0.109 R)
• M5: 2,982,234 km (0.118 R)
• M6: 3,600,372 km (0.048 R)
• M7: 5,593,464 km (0.087 R)
• M8: 7,729,124 km (0.097 R)
• M9: 8,521,992 km (0.08 R)
• M10: 9,739,719 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.1

Radius: 13.8

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.43 AU - 3.37 AU

Year: 3350 Days

Day: 8.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,269,220 km

• M1: 173,234 km (0.116 R)
• M2: 1,720,824 km (0.108 R)
• M3: 2,223,772 km (0.096 R)
• M4: 2,978,793 km (0.035 R)
• M5: 4,179,615 km (0.055 R)
• M6: 4,732,828 km (0.084 R)
• M7: 5,466,456 km (0.099 R)
• M8: 6,392,167 km (0.096 R)
• M9: 8,129,896 km (0.09 R)
• M10: 8,773,766 km (0.079 R)
• M11: 11,212,959 km (0.083 R)
• M12: 12,471,974 km (0.116 R)
• M13: 14,482,869 km (0.117 R)
• M14: 16,419,713 km (0.101 R)
• M15: 16,987,137 km (0.075 R)
• M16: 17,626,369 km (0.058 R)
• M17: 20,087,104 km (0.091 R)
• M18: 21,534,165 km (0.115 R)
• M19: 24,268,664 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.5

Radius: 13.4

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.39 AU - 3.57 AU

Year: 3489 Days

Day: 5.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,269,220 km

• M1: 167,849 km (0.101 R)
• M2: 613,202 km (0.106 R)
• M3: 2,861,059 km (0.076 R)
• M4: 4,150,743 km (0.119 R)
• M5: 5,018,709 km (0.079 R)
• M6: 5,874,708 km (0.082 R)
• M7: 6,683,883 km (0.096 R)
• M8: 7,383,553 km (0.079 R)
• M9: 8,929,946 km (0.094 R)
• M10: 12,438,913 km (0.025 R)
• M11: 15,648,236 km (0.075 R)
• M12: 16,464,592 km (0.105 R)
• M13: 18,743,267 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.3

Radius: 13.7

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.78 AU - 4.2 AU

Year: 5406 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 151.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,269,220 km

• M1: 170,392 km (0.066 R)
• M2: 629,209 km (0.117 R)
• M3: 1,064,239 km (0.106 R)
• M4: 2,426,029 km (0.086 R)
• M5: 6,126,033 km (0.099 R)
• M6: 7,916,271 km (0.069 R)
• M7: 8,870,256 km (0.084 R)
• M8: 11,393,823 km (0.111 R)
• M9: 14,420,936 km (0.12 R)
• M10: 17,291,719 km (0.051 R)
• M11: 18,621,793 km (0.068 R)
• M12: 26,141,181 km (0.1 R)
• M13: 28,704,091 km (0.07 R)
• M14: 29,439,664 km (0.076 R)
• M15: 30,852,616 km (0.088 R)
• M16: 31,527,302 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22

Radius: 8

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.21 AU - 7.73 AU

Year: 11162 Days

Day: 16 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,269,220 km

• M1: 99,483 km (0.029 R)
• M2: 509,381 km (0.119 R)
• M3: 792,121 km (0.099 R)
• M4: 2,286,603 km (0.054 R)
• M5: 4,058,740 km (0.043 R)
• M6: 5,981,222 km (0.028 R)
• M7: 8,103,268 km (0.089 R)
• M8: 9,689,005 km (0.063 R)
• M9: 10,682,784 km (0.105 R)
• M10: 12,664,806 km (0.032 R)
• M11: 13,895,099 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.6

Radius: 6.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.29 AU - 9.19 AU

Year: 17525 Days

Day: 22.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,269,220 km

• M1: 121,324 km (0.069 R)
• M2: 1,517,820 km (0.096 R)
• M3: 2,016,579 km (0.108 R)
• M4: 2,982,383 km (0.086 R)
• M5: 3,809,510 km (0.068 R)
• M6: 6,066,942 km (0.104 R)
• M7: 9,303,791 km (0.114 R)
• M8: 11,386,193 km (0.101 R)
• M9: 12,935,279 km (0.062 R)
• M10: 14,100,048 km (0.088 R)
• M11: 15,092,780 km (0.107 R)
• M12: 17,021,695 km (0.082 R)
• M13: 18,554,923 km (0.093 R)
• M14: 24,686,790 km (0.104 R)
• M15: 29,542,438 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.5

Radius: 7.8

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.38 AU - 11.32 AU

Year: 19391 Days

Day: 15.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,269,220 km

• M1: 98,585 km (0.08 R)
• M2: 490,831 km (0.117 R)
• M3: 1,150,856 km (0.059 R)
• M4: 1,410,858 km (0.088 R)
• M5: 1,657,544 km (0.102 R)
• M6: 2,113,668 km (0.047 R)
• M7: 3,057,481 km (0.119 R)
• M8: 3,417,863 km (0.113 R)
• M9: 4,358,684 km (0.104 R)
• M10: 5,038,007 km (0.097 R)
• M11: 8,105,961 km (0.093 R)
• M12: 8,420,715 km (0.047 R)
• M13: 10,118,501 km (0.073 R)
• M14: 10,984,074 km (0.071 R)
• M15: 11,965,436 km (0.096 R)
• M16: 16,065,465 km (0.039 R)
• M17: 17,850,766 km (0.049 R)
• M18: 21,410,597 km (0.113 R)
• M19: 25,865,921 km (0.047 R)
• M20: 29,279,295 km (0.069 R)
• M21: 35,151,909 km (0.056 R)
• M22: 35,569,287 km (0.083 R)
• M23: 37,415,923 km (0.095 R)
• M24: 37,705,545 km (0.113 R)
• M25: 45,938,365 km (0.097 R)
• M26: 47,955,692 km (0.099 R)
• M27: 48,813,336 km (0.069 R)
• M28: 51,090,964 km (0.052 R)
• M29: 53,622,160 km (0.063 R)
• M30: 55,292,869 km (0.049 R)
• M31: 67,540,447 km (0.116 R)
• M32: 72,816,315 km (0.114 R)
• M33: 75,785,683 km (0.08 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 18,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit