🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.3

Radius: 8.1

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.73 AU - 1.83 AU

Year: 1533 Days

Day: 6.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,406,525 km

• M1: 101,128 km (0.116 R)
• M2: 410,497 km (0.067 R)
• M3: 1,025,793 km (0.119 R)
• M4: 1,768,845 km (0.114 R)
• M5: 2,394,613 km (0.092 R)
• M6: 2,674,960 km (0.104 R)
• M7: 3,175,664 km (0.046 R)
• M8: 3,481,890 km (0.104 R)
• M9: 3,861,121 km (0.102 R)
• M10: 4,135,184 km (0.111 R)
• M11: 4,481,354 km (0.116 R)
• M12: 4,909,653 km (0.111 R)
• M13: 5,232,036 km (0.081 R)
• M14: 5,683,971 km (0.118 R)
• M15: 6,360,004 km (0.112 R)
• M16: 6,665,632 km (0.062 R)
• M17: 6,954,506 km (0.11 R)
• M18: 7,613,784 km (0.104 R)
• M19: 7,900,563 km (0.097 R)
• M20: 8,283,982 km (0.105 R)
• M21: 8,741,901 km (0.108 R)
• M22: 10,461,230 km (0.104 R)
• M23: 12,592,102 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.5

Radius: 8.3

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.03 AU - 2.61 AU

Year: 2282 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,406,525 km

• M1: 107,561 km (0.072 R)
• M2: 790,326 km (0.073 R)
• M3: 1,155,494 km (0.041 R)
• M4: 1,754,633 km (0.101 R)
• M5: 2,221,080 km (0.05 R)
• M6: 3,204,835 km (0.084 R)
• M7: 3,769,418 km (0.118 R)
• M8: 4,040,788 km (0.112 R)
• M9: 5,535,720 km (0.079 R)
• M10: 6,636,012 km (0.098 R)
• M11: 7,315,635 km (0.09 R)
• M12: 8,435,226 km (0.112 R)
• M13: 11,321,866 km (0.036 R)
• M14: 12,291,111 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.4

Radius: 11.3

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.16 AU - 2.58 AU

Year: 2356 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,406,525 km

• M1: 140,472 km (0.1 R)
• M2: 498,161 km (0.111 R)
• M3: 956,678 km (0.104 R)
• M4: 1,477,728 km (0.11 R)
• M5: 1,834,668 km (0.096 R)
• M6: 2,759,931 km (0.105 R)
• M7: 3,716,609 km (0.063 R)
• M8: 4,698,420 km (0.054 R)
• M9: 5,141,380 km (0.117 R)
• M10: 6,669,522 km (0.093 R)
• M11: 7,050,099 km (0.093 R)
• M12: 8,582,879 km (0.075 R)
• M13: 10,327,040 km (0.039 R)
• M14: 13,834,811 km (0.108 R)
• M15: 14,699,487 km (0.077 R)
• M16: 16,642,763 km (0.07 R)
• M17: 17,510,281 km (0.12 R)
• M18: 18,636,604 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.5

Radius: 12.2

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.91 AU - 2.93 AU

Year: 2431 Days

Day: 15 Hours

Environment

Temp: -192 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,406,525 km

• M1: 151,692 km (0.098 R)
• M2: 535,112 km (0.074 R)
• M3: 959,371 km (0.064 R)
• M4: 1,771,089 km (0.115 R)
• M5: 3,358,921 km (0.091 R)
• M6: 3,943,549 km (0.104 R)
• M7: 4,398,925 km (0.062 R)
• M8: 5,244,602 km (0.027 R)
• M9: 6,250,199 km (0.103 R)
• M10: 7,288,558 km (0.112 R)
• M11: 7,690,677 km (0.102 R)
• M12: 8,505,985 km (0.081 R)
• M13: 9,450,247 km (0.107 R)
• M14: 12,009,418 km (0.11 R)
• M15: 12,397,026 km (0.085 R)
• M16: 13,937,286 km (0.113 R)
• M17: 15,348,891 km (0.091 R)
• M18: 16,640,519 km (0.084 R)
• M19: 17,835,956 km (0.09 R)
• M20: 19,087,791 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.6

Radius: 9.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.09 AU - 5.73 AU

Year: 8125 Days

Day: 14.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,406,525 km

• M1: 120,725 km (0.117 R)
• M2: 600,486 km (0.099 R)
• M3: 1,004,849 km (0.084 R)
• M4: 1,442,273 km (0.107 R)
• M5: 2,781,324 km (0.074 R)
• M6: 3,197,654 km (0.066 R)
• M7: 4,488,684 km (0.106 R)
• M8: 5,413,797 km (0.105 R)
• M9: 6,734,298 km (0.118 R)
• M10: 7,231,112 km (0.092 R)
• M11: 13,078,743 km (0.091 R)
• M12: 14,540,165 km (0.1 R)
• M13: 16,611,647 km (0.09 R)
• M14: 18,734,141 km (0.029 R)
• M15: 19,151,370 km (0.108 R)
• M16: 20,294,298 km (0.06 R)
• M17: 29,787,928 km (0.086 R)
• M18: 31,810,042 km (0.068 R)
• M19: 34,127,912 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.9

Radius: 5.2

Gravity: 29.36 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.15 AU - 6.75 AU

Year: 10577 Days

Day: 18.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,406,525 km

• M1: 64,925 km (0.105 R)
• M2: 230,530 km (0.113 R)
• M3: 860,936 km (0.106 R)
• M4: 1,025,194 km (0.083 R)
• M5: 1,589,926 km (0.091 R)
• M6: 2,044,853 km (0.119 R)
• M7: 2,439,792 km (0.04 R)
• M8: 2,624,096 km (0.063 R)
• M9: 3,306,412 km (0.07 R)
• M10: 3,960,005 km (0.101 R)
• M11: 4,603,126 km (0.118 R)
• M12: 5,145,868 km (0.077 R)
• M13: 5,873,960 km (0.043 R)
• M14: 6,629,130 km (0.057 R)
• M15: 6,867,889 km (0.098 R)
• M16: 7,447,132 km (0.065 R)
• M17: 12,089,303 km (0.102 R)
• M18: 12,626,808 km (0.078 R)
• M19: 14,936,599 km (0.092 R)
• M20: 16,917,126 km (0.063 R)
• M21: 17,139,129 km (0.109 R)
• M22: 19,306,652 km (0.09 R)
• M23: 19,875,723 km (0.057 R)
• M24: 21,390,401 km (0.119 R)
• M25: 23,896,764 km (0.117 R)
• M26: 25,316,896 km (0.098 R)
• M27: 26,792,380 km (0.055 R)
• M28: 29,483,945 km (0.081 R)
• M29: 41,113,085 km (0.11 R)
• M30: 43,009,388 km (0.091 R)
• M31: 44,539,624 km (0.093 R)
• M32: 45,532,206 km (0.087 R)
• M33: 45,962,001 km (0.067 R)
• M34: 46,539,299 km (0.064 R)
• M35: 47,708,407 km (0.112 R)
• M36: 49,046,859 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.1

Radius: 4.8

Gravity: 18.41 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.78 AU - 7.64 AU

Year: 12500 Days

Day: 19.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,406,525 km

• M1: 60,138 km (0.096 R)
• M2: 400,025 km (0.078 R)
• M3: 550,221 km (0.12 R)
• M4: 706,102 km (0.104 R)
• M5: 950,844 km (0.035 R)
• M6: 1,287,589 km (0.067 R)
• M7: 3,135,571 km (0.105 R)
• M8: 3,542,478 km (0.069 R)
• M9: 4,912,944 km (0.089 R)
• M10: 5,166,063 km (0.092 R)
• M11: 8,828,070 km (0.059 R)
• M12: 9,345,529 km (0.041 R)
• M13: 10,912,566 km (0.066 R)
• M14: 12,764,588 km (0.061 R)
• M15: 17,149,302 km (0.077 R)
• M16: 17,953,689 km (0.1 R)
• M17: 19,558,575 km (0.034 R)
• M18: 22,788,543 km (0.089 R)
• M19: 32,435,362 km (0.093 R)
• M20: 32,989,771 km (0.093 R)
• M21: 33,663,261 km (0.061 R)
• M22: 37,654,083 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 20,147 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit