🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.2

Radius: 10.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.77 AU - 1.19 AU

Year: 636 Days

Day: 5.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,661,495 km

• M1: 130,898 km (0.093 R)
• M2: 492,626 km (0.04 R)
• M3: 865,424 km (0.063 R)
• M4: 1,374,655 km (0.108 R)
• M5: 1,707,360 km (0.077 R)
• M6: 2,209,411 km (0.099 R)
• M7: 3,152,177 km (0.115 R)
• M8: 3,499,543 km (0.032 R)
• M9: 5,058,203 km (0.032 R)
• M10: 5,778,667 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.6

Radius: 14.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.41 AU - 1.73 AU

Year: 1291 Days

Day: 13 Hours

Environment

Temp: -188 °C

Axial Tilt: 102.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,661,495 km

• M1: 179,069 km (0.081 R)
• M2: 1,145,321 km (0.113 R)
• M3: 1,756,279 km (0.032 R)
• M4: 2,224,072 km (0.072 R)
• M5: 2,835,029 km (0.112 R)
• M6: 3,785,125 km (0.095 R)
• M7: 4,851,160 km (0.063 R)
• M8: 5,578,056 km (0.091 R)
• M9: 6,439,590 km (0.117 R)
• M10: 7,764,279 km (0.104 R)
• M11: 8,917,828 km (0.096 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.5

Radius: 5.3

Gravity: 23.48 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.68 AU - 7.38 AU

Year: 9714 Days

Day: 24.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,661,495 km

• M1: 66,122 km (0.054 R)
• M2: 231,877 km (0.116 R)
• M3: 442,361 km (0.076 R)
• M4: 764,445 km (0.087 R)
• M5: 938,427 km (0.116 R)
• M6: 1,368,222 km (0.09 R)
• M7: 2,510,551 km (0.101 R)
• M8: 2,966,526 km (0.119 R)
• M9: 3,549,658 km (0.048 R)
• M10: 4,096,139 km (0.108 R)
• M11: 5,160,678 km (0.039 R)
• M12: 5,620,542 km (0.111 R)
• M13: 6,071,579 km (0.107 R)
• M14: 6,361,051 km (0.09 R)
• M15: 8,382,567 km (0.088 R)
• M16: 9,017,460 km (0.1 R)
• M17: 10,588,088 km (0.065 R)
• M18: 11,547,310 km (0.08 R)
• M19: 12,332,400 km (0.086 R)
• M20: 12,796,751 km (0.091 R)
• M21: 15,561,021 km (0.046 R)
• M22: 17,804,690 km (0.06 R)
• M23: 21,229,434 km (0.071 R)
• M24: 22,576,263 km (0.062 R)
• M25: 23,979,192 km (0.114 R)
• M26: 24,248,468 km (0.089 R)
• M27: 24,701,900 km (0.096 R)
• M28: 25,253,467 km (0.096 R)
• M29: 27,541,866 km (0.083 R)
• M30: 27,936,206 km (0.096 R)
• M31: 29,346,315 km (0.058 R)
• M32: 30,172,993 km (0.062 R)
• M33: 31,015,079 km (0.111 R)
• M34: 33,077,735 km (0.12 R)
• M35: 35,114,510 km (0.097 R)
• M36: 35,345,788 km (0.101 R)
• M37: 40,568,998 km (0.095 R)
• M38: 41,723,744 km (0.107 R)
• M39: 42,243,896 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.3

Radius: 5.6

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.21 AU - 7.81 AU

Year: 10896 Days

Day: 16.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,661,495 km

• M1: 69,713 km (0.094 R)
• M2: 343,926 km (0.119 R)
• M3: 547,379 km (0.071 R)
• M4: 765,044 km (0.057 R)
• M5: 1,271,283 km (0.089 R)
• M6: 2,142,541 km (0.096 R)
• M7: 3,002,429 km (0.058 R)
• M8: 4,178,269 km (0.039 R)
• M9: 4,649,801 km (0.097 R)
• M10: 4,973,232 km (0.102 R)
• M11: 6,000,371 km (0.109 R)
• M12: 7,008,810 km (0.105 R)
• M13: 7,394,922 km (0.093 R)
• M14: 8,042,232 km (0.083 R)
• M15: 8,947,897 km (0.056 R)
• M16: 11,063,062 km (0.087 R)
• M17: 12,795,854 km (0.053 R)
• M18: 13,489,838 km (0.102 R)
• M19: 16,585,617 km (0.096 R)
• M20: 16,994,468 km (0.054 R)
• M21: 17,270,775 km (0.118 R)
• M22: 17,480,062 km (0.056 R)
• M23: 17,974,783 km (0.108 R)
• M24: 19,066,249 km (0.083 R)
• M25: 25,914,839 km (0.106 R)
• M26: 26,743,611 km (0.099 R)
• M27: 28,550,903 km (0.09 R)
• M28: 29,733,325 km (0.112 R)
• M29: 32,090,389 km (0.114 R)
• M30: 35,124,234 km (0.1 R)
• M31: 36,940,950 km (0.119 R)
• M32: 37,989,930 km (0.082 R)
• M33: 40,884,051 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.2

Radius: 5.7

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.92 AU - 7.4 AU

Year: 11275 Days

Day: 22.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,661,495 km

• M1: 71,358 km (0.117 R)
• M2: 283,039 km (0.107 R)
• M3: 471,084 km (0.103 R)
• M4: 1,667,717 km (0.073 R)
• M5: 2,826,053 km (0.057 R)
• M6: 3,140,508 km (0.098 R)
• M7: 3,914,378 km (0.083 R)
• M8: 5,898,046 km (0.064 R)
• M9: 7,142,850 km (0.071 R)
• M10: 8,050,609 km (0.103 R)
• M11: 10,284,704 km (0.088 R)
• M12: 12,845,072 km (0.1 R)
• M13: 13,071,114 km (0.086 R)
• M14: 15,227,118 km (0.096 R)
• M15: 16,856,688 km (0.099 R)
• M16: 24,281,530 km (0.105 R)
• M17: 26,680,182 km (0.113 R)
• M18: 33,199,059 km (0.119 R)
• M19: 34,925,268 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.4

Radius: 7.3

Gravity: 18.51 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.88 AU - 7.9 AU

Year: 11864 Days

Day: 22.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,661,495 km

• M1: 90,806 km (0.026 R)
• M2: 353,051 km (0.066 R)
• M3: 620,233 km (0.091 R)
• M4: 1,507,797 km (0.053 R)
• M5: 2,429,619 km (0.043 R)
• M6: 2,665,535 km (0.108 R)
• M7: 3,234,156 km (0.077 R)
• M8: 3,823,722 km (0.089 R)
• M9: 5,285,742 km (0.037 R)
• M10: 5,986,458 km (0.062 R)
• M11: 6,915,760 km (0.118 R)
• M12: 9,006,689 km (0.101 R)
• M13: 9,788,338 km (0.104 R)
• M14: 13,771,681 km (0.089 R)
• M15: 14,111,418 km (0.056 R)
• M16: 14,737,036 km (0.097 R)
• M17: 17,033,962 km (0.035 R)
• M18: 22,138,241 km (0.12 R)
• M19: 24,536,145 km (0.036 R)
• M20: 25,746,392 km (0.105 R)
• M21: 26,158,534 km (0.093 R)
• M22: 26,784,900 km (0.112 R)
• M23: 28,176,460 km (0.027 R)
• M24: 28,834,690 km (0.077 R)
• M25: 29,279,295 km (0.113 R)
• M26: 31,453,252 km (0.082 R)
• M27: 31,806,003 km (0.113 R)
• M28: 33,243,788 km (0.109 R)
• M29: 34,474,530 km (0.043 R)
• M30: 37,684,003 km (0.064 R)
• M31: 42,935,337 km (0.047 R)
• M32: 45,885,706 km (0.1 R)
• M33: 46,188,043 km (0.12 R)
• M34: 49,284,271 km (0.077 R)
• M35: 58,862,424 km (0.046 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 11,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit