🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 13.4

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.43 AU - 1.83 AU

Year: 1411 Days

Day: 5.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 166.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,217,190 km

• M1: 166,652 km (0.078 R)
• M2: 616,642 km (0.116 R)
• M3: 1,171,202 km (0.098 R)
• M4: 1,637,648 km (0.091 R)
• M5: 2,160,044 km (0.095 R)
• M6: 2,617,514 km (0.108 R)
• M7: 3,435,216 km (0.086 R)
• M8: 5,036,661 km (0.103 R)
• M9: 5,533,326 km (0.095 R)
• M10: 6,376,908 km (0.082 R)
• M11: 7,038,131 km (0.025 R)
• M12: 8,173,429 km (0.047 R)
• M13: 9,299,752 km (0.119 R)
• M14: 10,355,165 km (0.07 R)
• M15: 13,180,769 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.6

Radius: 11.4

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.32 AU - 2.62 AU

Year: 2633 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,217,190 km

• M1: 141,819 km (0.057 R)
• M2: 586,424 km (0.096 R)
• M3: 1,300,903 km (0.068 R)
• M4: 1,844,243 km (0.057 R)
• M5: 2,549,746 km (0.068 R)
• M6: 3,070,646 km (0.079 R)
• M7: 3,462,592 km (0.097 R)
• M8: 4,224,793 km (0.089 R)
• M9: 5,354,856 km (0.094 R)
• M10: 7,640,412 km (0.03 R)
• M11: 8,562,234 km (0.092 R)
• M12: 8,930,694 km (0.091 R)
• M13: 9,916,843 km (0.093 R)
• M14: 10,702,980 km (0.065 R)
• M15: 11,210,116 km (0.068 R)
• M16: 11,733,260 km (0.077 R)
• M17: 12,357,083 km (0.061 R)
• M18: 13,356,397 km (0.102 R)
• M19: 13,716,479 km (0.106 R)
• M20: 15,863,657 km (0.056 R)
• M21: 18,226,107 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 12.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.72 AU - 2.98 AU

Year: 3263 Days

Day: 12.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,217,190 km

• M1: 160,369 km (0.091 R)
• M2: 624,870 km (0.033 R)
• M3: 1,067,530 km (0.102 R)
• M4: 1,518,867 km (0.041 R)
• M5: 1,995,336 km (0.068 R)
• M6: 2,633,820 km (0.073 R)
• M7: 3,834,941 km (0.071 R)
• M8: 4,852,207 km (0.113 R)
• M9: 5,347,376 km (0.077 R)
• M10: 6,097,460 km (0.102 R)
• M11: 9,064,584 km (0.103 R)
• M12: 9,974,588 km (0.11 R)
• M13: 10,533,036 km (0.057 R)
• M14: 11,668,933 km (0.093 R)
• M15: 12,289,315 km (0.115 R)
• M16: 12,931,539 km (0.032 R)
• M17: 15,148,879 km (0.051 R)
• M18: 15,995,004 km (0.106 R)
• M19: 17,781,801 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.4

Radius: 10

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.94 AU - 4.42 AU

Year: 4788 Days

Day: 7.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,217,190 km

• M1: 125,662 km (0.077 R)
• M2: 607,218 km (0.113 R)
• M3: 3,214,709 km (0.099 R)
• M4: 4,814,957 km (0.098 R)
• M5: 5,292,473 km (0.078 R)
• M6: 5,969,703 km (0.105 R)
• M7: 6,444,227 km (0.12 R)
• M8: 7,611,091 km (0.116 R)
• M9: 13,160,873 km (0.085 R)
• M10: 15,211,261 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.6

Radius: 7.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.83 AU - 7.21 AU

Year: 10018 Days

Day: 15.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,217,190 km

• M1: 95,743 km (0.046 R)
• M2: 393,592 km (0.104 R)
• M3: 1,145,920 km (0.119 R)
• M4: 1,759,271 km (0.059 R)
• M5: 2,825,754 km (0.05 R)
• M6: 3,093,834 km (0.107 R)
• M7: 4,364,518 km (0.1 R)
• M8: 4,873,450 km (0.085 R)
• M9: 5,584,937 km (0.063 R)
• M10: 7,147,936 km (0.091 R)
• M11: 8,136,179 km (0.09 R)
• M12: 9,251,432 km (0.104 R)
• M13: 10,255,981 km (0.071 R)
• M14: 11,555,239 km (0.11 R)
• M15: 14,900,247 km (0.099 R)
• M16: 15,495,946 km (0.071 R)
• M17: 17,736,473 km (0.03 R)
• M18: 18,282,655 km (0.103 R)
• M19: 20,447,635 km (0.104 R)
• M20: 21,115,590 km (0.084 R)
• M21: 24,007,017 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.6

Radius: 6.3

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.74 AU - 10.22 AU

Year: 18252 Days

Day: 24.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,217,190 km

• M1: 78,389 km (0.094 R)
• M2: 459,864 km (0.05 R)
• M3: 881,431 km (0.111 R)
• M4: 1,719,927 km (0.088 R)
• M5: 2,801,220 km (0.113 R)
• M6: 3,345,906 km (0.072 R)
• M7: 4,713,530 km (0.105 R)
• M8: 6,332,179 km (0.12 R)
• M9: 9,077,150 km (0.03 R)
• M10: 9,516,968 km (0.112 R)
• M11: 10,799,769 km (0.105 R)
• M12: 11,482,534 km (0.097 R)
• M13: 14,136,251 km (0.086 R)
• M14: 14,355,860 km (0.087 R)
• M15: 18,974,994 km (0.095 R)
• M16: 22,253,282 km (0.114 R)
• M17: 25,348,162 km (0.115 R)
• M18: 29,070,756 km (0.101 R)
• M19: 34,579,697 km (0.07 R)
• M20: 43,157,939 km (0.1 R)
• M21: 52,524,261 km (0.11 R)
• M22: 54,295,949 km (0.065 R)
• M23: 55,924,172 km (0.114 R)
• M24: 67,205,198 km (0.103 R)
• M25: 67,412,092 km (0.096 R)
• M26: 72,285,392 km (0.051 R)

Asteroid Belt

Center: 9.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.7

Radius: 7.5

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.54 AU - 12.4 AU

Year: 22978 Days

Day: 18.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,217,190 km

• M1: 93,947 km (0.086 R)
• M2: 549,922 km (0.118 R)
• M3: 1,420,282 km (0.109 R)
• M4: 1,745,358 km (0.064 R)
• M5: 2,060,112 km (0.11 R)
• M6: 3,374,928 km (0.077 R)
• M7: 5,360,840 km (0.115 R)
• M8: 6,406,230 km (0.098 R)
• M9: 6,665,632 km (0.1 R)
• M10: 7,344,956 km (0.116 R)
• M11: 7,920,908 km (0.091 R)
• M12: 10,410,965 km (0.032 R)
• M13: 19,000,126 km (0.105 R)
• M14: 24,305,465 km (0.106 R)
• M15: 25,473,376 km (0.046 R)
• M16: 30,764,653 km (0.056 R)
• M17: 32,892,084 km (0.116 R)
• M18: 35,383,786 km (0.114 R)
• M19: 36,059,819 km (0.062 R)
• M20: 37,437,765 km (0.071 R)
• M21: 38,281,048 km (0.09 R)
• M22: 38,707,551 km (0.06 R)
• M23: 46,128,354 km (0.11 R)
• M24: 48,909,378 km (0.117 R)
• M25: 51,973,741 km (0.117 R)
• M26: 61,540,824 km (0.037 R)
• M27: 61,930,527 km (0.099 R)
• M28: 63,505,942 km (0.103 R)
• M29: 71,785,286 km (0.102 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: 302 - 15,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit