🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.4

Radius: 9.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.69 AU - 0.95 AU

Year: 487 Days

Day: 11.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,242,735 km

• M1: 118,182 km (0.102 R)
• M2: 427,102 km (0.084 R)
• M3: 757,564 km (0.085 R)
• M4: 1,053,169 km (0.085 R)
• M5: 1,733,989 km (0.097 R)
• M6: 2,107,834 km (0.094 R)
• M7: 2,918,206 km (0.077 R)
• M8: 3,553,847 km (0.112 R)
• M9: 3,898,820 km (0.11 R)
• M10: 4,684,209 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.6

Radius: 13.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.25 AU - 1.51 AU

Year: 1063 Days

Day: 5.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,242,735 km

• M1: 167,849 km (0.075 R)
• M2: 687,253 km (0.062 R)
• M3: 1,188,555 km (0.109 R)
• M4: 1,618,200 km (0.119 R)
• M5: 2,193,254 km (0.087 R)
• M6: 2,738,090 km (0.054 R)
• M7: 5,045,039 km (0.055 R)
• M8: 5,652,556 km (0.116 R)
• M9: 6,144,882 km (0.113 R)
• M10: 7,148,534 km (0.096 R)
• M11: 8,790,670 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.5

Radius: 14

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.95 AU - 5.11 AU

Year: 6325 Days

Day: 6 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,242,735 km

• M1: 174,581 km (0.067 R)
• M2: 616,044 km (0.057 R)
• M3: 1,432,400 km (0.102 R)
• M4: 2,429,320 km (0.106 R)
• M5: 3,001,532 km (0.096 R)
• M6: 4,266,232 km (0.054 R)
• M7: 5,048,479 km (0.06 R)
• M8: 6,970,812 km (0.097 R)
• M9: 7,594,934 km (0.088 R)
• M10: 8,580,635 km (0.089 R)
• M11: 11,542,972 km (0.063 R)
• M12: 17,474,677 km (0.099 R)
• M13: 19,331,785 km (0.045 R)
• M14: 21,090,158 km (0.059 R)
• M15: 22,556,068 km (0.089 R)
• M16: 23,354,322 km (0.103 R)
• M17: 29,197,764 km (0.062 R)
• M18: 29,764,441 km (0.097 R)
• M19: 30,242,107 km (0.117 R)
• M20: 31,213,147 km (0.061 R)
• M21: 34,460,019 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.5

Radius: 5.8

Gravity: 27.1 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.25 AU - 7.83 AU

Year: 12254 Days

Day: 24.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,242,735 km

• M1: 72,106 km (0.111 R)
• M2: 328,517 km (0.113 R)
• M3: 768,185 km (0.058 R)
• M4: 1,381,686 km (0.104 R)
• M5: 1,636,002 km (0.115 R)
• M6: 1,885,980 km (0.09 R)
• M7: 2,442,185 km (0.081 R)
• M8: 5,566,986 km (0.102 R)
• M9: 5,827,435 km (0.088 R)
• M10: 6,057,068 km (0.087 R)
• M11: 6,372,720 km (0.027 R)
• M12: 8,356,537 km (0.065 R)
• M13: 8,698,368 km (0.03 R)
• M14: 10,492,495 km (0.027 R)
• M15: 10,890,276 km (0.072 R)
• M16: 13,096,845 km (0.118 R)
• M17: 14,304,548 km (0.04 R)
• M18: 16,479,552 km (0.104 R)
• M19: 17,645,518 km (0.097 R)
• M20: 19,623,800 km (0.109 R)
• M21: 22,391,809 km (0.082 R)
• M22: 25,612,951 km (0.079 R)
• M23: 35,430,461 km (0.042 R)
• M24: 36,067,897 km (0.095 R)
• M25: 41,586,413 km (0.109 R)
• M26: 42,868,766 km (0.076 R)
• M27: 45,064,264 km (0.076 R)
• M28: 46,265,385 km (0.1 R)
• M29: 49,996,506 km (0.038 R)
• M30: 58,226,932 km (0.028 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.3

Radius: 5.8

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.89 AU - 9.23 AU

Year: 13636 Days

Day: 19.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,242,735 km

• M1: 79,586 km (0.117 R)
• M2: 381,325 km (0.09 R)
• M3: 566,527 km (0.093 R)
• M4: 760,855 km (0.067 R)
• M5: 1,076,207 km (0.061 R)
• M6: 1,340,995 km (0.1 R)
• M7: 2,020,170 km (0.112 R)
• M8: 3,549,060 km (0.115 R)
• M9: 3,917,519 km (0.094 R)
• M10: 4,761,700 km (0.086 R)
• M11: 5,144,372 km (0.104 R)
• M12: 5,547,239 km (0.044 R)
• M13: 6,415,953 km (0.079 R)
• M14: 6,724,723 km (0.095 R)
• M15: 8,511,221 km (0.049 R)
• M16: 9,170,948 km (0.096 R)
• M17: 11,188,126 km (0.114 R)
• M18: 12,686,348 km (0.092 R)
• M19: 16,215,960 km (0.115 R)
• M20: 17,080,636 km (0.109 R)
• M21: 20,184,792 km (0.055 R)
• M22: 21,783,096 km (0.028 R)
• M23: 24,104,107 km (0.091 R)
• M24: 24,289,309 km (0.118 R)
• M25: 25,998,016 km (0.107 R)
• M26: 28,399,061 km (0.057 R)
• M27: 30,834,814 km (0.114 R)
• M28: 34,803,346 km (0.083 R)
• M29: 35,158,492 km (0.108 R)
• M30: 35,516,180 km (0.085 R)
• M31: 37,217,108 km (0.094 R)
• M32: 44,565,206 km (0.049 R)
• M33: 45,405,647 km (0.041 R)
• M34: 48,724,924 km (0.087 R)
• M35: 49,020,978 km (0.103 R)
• M36: 49,467,378 km (0.112 R)
• M37: 50,066,667 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.1

Radius: 3.8

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.94 AU - 8.32 AU

Year: 13826 Days

Day: 17.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,242,735 km

• M1: 48,171 km (0.084 R)
• M2: 272,418 km (0.118 R)
• M3: 517,160 km (0.094 R)
• M4: 913,295 km (0.043 R)
• M5: 1,089,970 km (0.095 R)
• M6: 1,324,689 km (0.105 R)
• M7: 1,538,465 km (0.111 R)
• M8: 1,879,248 km (0.116 R)
• M9: 2,067,592 km (0.096 R)
• M10: 5,140,033 km (0.108 R)
• M11: 5,603,637 km (0.092 R)
• M12: 6,902,296 km (0.052 R)
• M13: 9,118,289 km (0.075 R)
• M14: 10,506,857 km (0.095 R)
• M15: 15,569,997 km (0.082 R)
• M16: 16,274,453 km (0.085 R)
• M17: 17,609,465 km (0.059 R)
• M18: 18,093,414 km (0.109 R)
• M19: 20,876,383 km (0.118 R)
• M20: 23,847,845 km (0.087 R)
• M21: 28,106,598 km (0.112 R)
• M22: 29,341,528 km (0.086 R)
• M23: 30,910,660 km (0.11 R)
• M24: 31,110,523 km (0.044 R)
• M25: 31,919,099 km (0.086 R)
• M26: 33,789,372 km (0.115 R)
• M27: 34,108,015 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.6

Radius: 8

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.7 AU - 10.5 AU

Year: 18008 Days

Day: 22.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 138.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,242,735 km

• M1: 99,483 km (0.07 R)
• M2: 498,311 km (0.111 R)
• M3: 816,356 km (0.069 R)
• M4: 1,175,091 km (0.097 R)
• M5: 1,460,674 km (0.113 R)
• M6: 1,828,535 km (0.094 R)
• M7: 2,342,403 km (0.104 R)
• M8: 2,728,067 km (0.082 R)
• M9: 3,956,714 km (0.074 R)
• M10: 4,676,130 km (0.104 R)
• M11: 5,103,831 km (0.03 R)
• M12: 7,596,879 km (0.083 R)
• M13: 9,916,544 km (0.095 R)
• M14: 10,988,861 km (0.092 R)
• M15: 13,716,479 km (0.087 R)
• M16: 17,531,524 km (0.061 R)
• M17: 25,187,644 km (0.056 R)
• M18: 27,400,047 km (0.09 R)
• M19: 29,618,882 km (0.043 R)
• M20: 30,956,736 km (0.103 R)
• M21: 34,146,462 km (0.104 R)
• M22: 36,025,262 km (0.06 R)
• M23: 46,622,625 km (0.11 R)
• M24: 48,764,568 km (0.074 R)
• M25: 50,114,688 km (0.085 R)
• M26: 51,837,158 km (0.09 R)
• M27: 53,066,254 km (0.11 R)
• M28: 57,801,326 km (0.068 R)
• M29: 62,612,842 km (0.087 R)
• M30: 65,828,299 km (0.097 R)
• M31: 67,684,659 km (0.113 R)
• M32: 72,368,568 km (0.091 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 18,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit