🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613

Radius: 10.5

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.89 AU - 1.01 AU

Year: 589 Days

Day: 11.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,485,418 km

• M1: 131,796 km (0.046 R)
• M2: 528,230 km (0.109 R)
• M3: 879,785 km (0.115 R)
• M4: 1,374,356 km (0.1 R)
• M5: 2,354,820 km (0.1 R)
• M6: 2,810,196 km (0.113 R)
• M7: 4,067,117 km (0.091 R)
• M8: 4,493,770 km (0.109 R)
• M9: 5,148,112 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 9.4

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.73 AU - 1.19 AU

Year: 598 Days

Day: 6.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,485,418 km

• M1: 116,986 km (0.118 R)
• M2: 416,929 km (0.046 R)
• M3: 755,918 km (0.051 R)
• M4: 1,301,651 km (0.084 R)
• M5: 1,790,088 km (0.101 R)
• M6: 2,147,029 km (0.096 R)
• M7: 3,692,524 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.3

Radius: 11.9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.03 AU - 1.05 AU

Year: 674 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,485,418 km

• M1: 147,952 km (0.119 R)
• M2: 565,181 km (0.03 R)
• M3: 1,089,970 km (0.079 R)
• M4: 2,102,448 km (0.061 R)
• M5: 2,559,021 km (0.025 R)
• M6: 3,025,168 km (0.111 R)
• M7: 3,636,425 km (0.104 R)
• M8: 5,090,816 km (0.099 R)
• M9: 6,139,347 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.3

Radius: 12.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.66 AU - 2.14 AU

Year: 1665 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,485,418 km

• M1: 156,779 km (0.098 R)
• M2: 612,154 km (0.073 R)
• M3: 1,052,870 km (0.093 R)
• M4: 1,454,540 km (0.077 R)
• M5: 2,166,776 km (0.046 R)
• M6: 2,958,896 km (0.053 R)
• M7: 3,918,716 km (0.112 R)
• M8: 4,490,180 km (0.107 R)
• M9: 5,199,124 km (0.119 R)
• M10: 6,235,538 km (0.106 R)
• M11: 6,840,512 km (0.113 R)
• M12: 7,248,166 km (0.11 R)
• M13: 7,671,977 km (0.116 R)
• M14: 8,112,244 km (0.086 R)
• M15: 8,804,583 km (0.104 R)
• M16: 10,776,133 km (0.077 R)
• M17: 11,756,897 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.8

Radius: 10.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.64 AU - 2.4 AU

Year: 1825 Days

Day: 7.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,485,418 km

• M1: 135,536 km (0.107 R)
• M2: 482,004 km (0.111 R)
• M3: 1,402,330 km (0.094 R)
• M4: 1,992,494 km (0.064 R)
• M5: 2,346,143 km (0.062 R)
• M6: 2,851,635 km (0.066 R)
• M7: 3,288,909 km (0.105 R)
• M8: 3,872,640 km (0.1 R)
• M9: 4,317,843 km (0.092 R)
• M10: 4,659,375 km (0.065 R)
• M11: 5,615,306 km (0.057 R)
• M12: 6,163,731 km (0.096 R)
• M13: 6,548,946 km (0.084 R)
• M14: 7,367,845 km (0.091 R)
• M15: 8,812,212 km (0.081 R)
• M16: 9,458,924 km (0.112 R)
• M17: 11,517,690 km (0.091 R)
• M18: 12,141,064 km (0.108 R)
• M19: 12,709,685 km (0.07 R)
• M20: 13,335,753 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.2

Radius: 11.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.24 AU - 3.8 AU

Year: 4199 Days

Day: 5.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,485,418 km

• M1: 139,575 km (0.113 R)
• M2: 727,794 km (0.08 R)
• M3: 2,015,233 km (0.084 R)
• M4: 2,454,452 km (0.03 R)
• M5: 3,582,271 km (0.095 R)
• M6: 4,869,560 km (0.115 R)
• M7: 6,021,464 km (0.108 R)
• M8: 6,524,711 km (0.099 R)
• M9: 7,200,295 km (0.086 R)
• M10: 8,204,695 km (0.094 R)
• M11: 8,924,560 km (0.08 R)
• M12: 10,870,380 km (0.04 R)
• M13: 11,220,289 km (0.095 R)
• M14: 12,148,843 km (0.119 R)
• M15: 13,259,458 km (0.103 R)
• M16: 16,330,702 km (0.107 R)
• M17: 17,101,580 km (0.12 R)
• M18: 17,789,132 km (0.06 R)

Asteroid Belt

Center: 4.87 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.5

Radius: 5

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.64 AU - 6.8 AU

Year: 9863 Days

Day: 23.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,485,418 km

• M1: 62,981 km (0.087 R)
• M2: 468,840 km (0.062 R)
• M3: 809,025 km (0.08 R)
• M4: 1,164,021 km (0.113 R)
• M5: 1,814,024 km (0.065 R)
• M6: 1,983,518 km (0.092 R)
• M7: 2,539,274 km (0.063 R)
• M8: 2,938,252 km (0.052 R)
• M9: 4,046,772 km (0.037 R)
• M10: 4,906,960 km (0.105 R)
• M11: 5,125,971 km (0.085 R)
• M12: 8,248,976 km (0.113 R)
• M13: 8,756,412 km (0.069 R)
• M14: 9,662,227 km (0.114 R)
• M15: 10,995,892 km (0.098 R)
• M16: 11,755,101 km (0.102 R)
• M17: 16,810,911 km (0.118 R)
• M18: 19,332,234 km (0.105 R)
• M19: 23,300,317 km (0.1 R)
• M20: 29,181,907 km (0.119 R)
• M21: 29,991,531 km (0.058 R)
• M22: 30,631,510 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.5

Radius: 7.8

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.44 AU - 7.32 AU

Year: 10246 Days

Day: 18.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,485,418 km

• M1: 99,632 km (0.079 R)
• M2: 789,877 km (0.109 R)
• M3: 1,057,208 km (0.1 R)
• M4: 1,332,917 km (0.054 R)
• M5: 1,862,942 km (0.077 R)
• M6: 2,801,220 km (0.117 R)
• M7: 3,215,457 km (0.115 R)
• M8: 3,565,366 km (0.106 R)
• M9: 4,738,513 km (0.112 R)
• M10: 6,001,268 km (0.099 R)
• M11: 7,346,901 km (0.109 R)
• M12: 12,155,725 km (0.108 R)
• M13: 12,698,166 km (0.096 R)
• M14: 14,489,751 km (0.107 R)
• M15: 15,585,854 km (0.118 R)
• M16: 21,123,070 km (0.115 R)
• M17: 22,172,798 km (0.078 R)
• M18: 23,073,676 km (0.118 R)
• M19: 29,966,548 km (0.107 R)
• M20: 37,607,409 km (0.067 R)
• M21: 40,861,761 km (0.114 R)
• M22: 42,763,898 km (0.107 R)
• M23: 52,214,294 km (0.097 R)
• M24: 52,847,243 km (0.101 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: 483 - 11,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit