🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.2

Radius: 10.2

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.72 AU - 0.8 AU

Year: 435 Days

Day: 5.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,639,244 km

• M1: 126,859 km (0.063 R)
• M2: 463,155 km (0.077 R)
• M3: 817,104 km (0.117 R)
• M4: 1,192,445 km (0.099 R)
• M5: 1,937,442 km (0.057 R)
• M6: 2,673,015 km (0.068 R)
• M7: 3,597,380 km (0.094 R)
• M8: 3,971,225 km (0.073 R)
• M9: 4,428,247 km (0.042 R)
• M10: 4,982,207 km (0.113 R)
• M11: 5,615,455 km (0.057 R)
• M12: 5,942,925 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932

Radius: 12.2

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.51 AU - 1.59 AU

Year: 1266 Days

Day: 13.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,639,244 km

• M1: 152,440 km (0.092 R)
• M2: 546,182 km (0.082 R)
• M3: 1,057,507 km (0.072 R)
• M4: 1,465,760 km (0.059 R)
• M5: 2,224,820 km (0.095 R)
• M6: 2,642,497 km (0.116 R)
• M7: 3,025,767 km (0.047 R)
• M8: 4,314,552 km (0.079 R)
• M9: 4,771,125 km (0.108 R)
• M10: 5,538,412 km (0.045 R)
• M11: 6,434,504 km (0.099 R)
• M12: 6,955,703 km (0.099 R)
• M13: 7,398,213 km (0.115 R)
• M14: 8,397,676 km (0.105 R)
• M15: 10,360,401 km (0.092 R)
• M16: 11,646,793 km (0.084 R)
• M17: 13,390,954 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.5

Radius: 10.3

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.57 AU - 1.57 AU

Year: 1291 Days

Day: 6.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,639,244 km

• M1: 129,552 km (0.038 R)
• M2: 475,871 km (0.06 R)
• M3: 1,003,054 km (0.113 R)
• M4: 1,504,955 km (0.036 R)
• M5: 2,407,179 km (0.094 R)
• M6: 2,739,287 km (0.099 R)
• M7: 3,421,752 km (0.119 R)
• M8: 3,844,067 km (0.032 R)
• M9: 5,044,440 km (0.103 R)
• M10: 5,614,408 km (0.09 R)
• M11: 7,584,612 km (0.052 R)
• M12: 8,811,464 km (0.086 R)
• M13: 10,356,511 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.8

Radius: 12.9

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.32 AU - 2.94 AU

Year: 2798 Days

Day: 11.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,639,244 km

• M1: 160,668 km (0.066 R)
• M2: 781,798 km (0.112 R)
• M3: 1,257,071 km (0.11 R)
• M4: 1,763,011 km (0.102 R)
• M5: 2,196,845 km (0.064 R)
• M6: 3,250,463 km (0.116 R)
• M7: 3,733,514 km (0.098 R)
• M8: 5,204,959 km (0.111 R)
• M9: 7,879,619 km (0.117 R)
• M10: 8,412,487 km (0.069 R)
• M11: 11,115,122 km (0.063 R)
• M12: 12,753,667 km (0.094 R)
• M13: 13,303,140 km (0.057 R)
• M14: 13,820,599 km (0.12 R)
• M15: 16,026,420 km (0.1 R)
• M16: 16,451,427 km (0.056 R)
• M17: 21,380,228 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.3

Radius: 9.8

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.61 AU - 4.53 AU

Year: 5386 Days

Day: 6.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,639,244 km

• M1: 122,221 km (0.062 R)
• M2: 761,453 km (0.083 R)
• M3: 1,194,689 km (0.091 R)
• M4: 1,571,526 km (0.102 R)
• M5: 2,213,450 km (0.082 R)
• M6: 2,687,227 km (0.119 R)
• M7: 3,403,202 km (0.102 R)
• M8: 3,992,169 km (0.065 R)
• M9: 4,672,390 km (0.112 R)
• M10: 5,346,179 km (0.083 R)
• M11: 6,323,352 km (0.073 R)
• M12: 6,663,837 km (0.114 R)
• M13: 8,006,478 km (0.097 R)
• M14: 8,405,605 km (0.071 R)
• M15: 9,204,159 km (0.099 R)
• M16: 11,904,699 km (0.075 R)
• M17: 13,309,573 km (0.097 R)
• M18: 14,025,848 km (0.11 R)
• M19: 14,767,703 km (0.083 R)
• M20: 15,148,430 km (0.061 R)
• M21: 15,535,589 km (0.096 R)
• M22: 18,122,436 km (0.109 R)
• M23: 18,558,813 km (0.062 R)
• M24: 18,874,913 km (0.112 R)
• M25: 20,847,361 km (0.09 R)
• M26: 25,352,351 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.6

Radius: 12.4

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.89 AU - 4.91 AU

Year: 7115 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,639,244 km

• M1: 154,385 km (0.115 R)
• M2: 556,504 km (0.116 R)
• M3: 964,158 km (0.109 R)
• M4: 2,187,420 km (0.097 R)
• M5: 2,887,837 km (0.11 R)
• M6: 3,602,915 km (0.11 R)
• M7: 4,383,816 km (0.035 R)
• M8: 5,616,203 km (0.059 R)
• M9: 6,472,352 km (0.108 R)
• M10: 7,308,454 km (0.116 R)
• M11: 8,291,013 km (0.039 R)
• M12: 8,715,871 km (0.044 R)
• M13: 9,693,344 km (0.074 R)
• M14: 11,483,282 km (0.111 R)
• M15: 12,356,934 km (0.027 R)
• M16: 15,417,257 km (0.058 R)
• M17: 17,654,942 km (0.112 R)
• M18: 18,686,719 km (0.069 R)
• M19: 19,895,021 km (0.113 R)
• M20: 21,658,630 km (0.086 R)
• M21: 23,755,244 km (0.084 R)
• M22: 24,299,781 km (0.12 R)
• M23: 25,657,232 km (0.115 R)
• M24: 27,148,872 km (0.067 R)
• M25: 27,744,272 km (0.091 R)
• M26: 28,522,629 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.7

Radius: 9.9

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.22 AU - 6.52 AU

Year: 8163 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,639,244 km

• M1: 130,150 km (0.098 R)
• M2: 461,659 km (0.118 R)
• M3: 1,059,602 km (0.092 R)
• M4: 1,462,768 km (0.064 R)
• M5: 2,320,413 km (0.102 R)
• M6: 3,954,321 km (0.048 R)
• M7: 4,741,056 km (0.056 R)
• M8: 8,745,641 km (0.034 R)
• M9: 13,930,703 km (0.115 R)
• M10: 19,527,608 km (0.08 R)
• M11: 24,216,754 km (0.12 R)
• M12: 28,845,312 km (0.114 R)
• M13: 32,070,044 km (0.111 R)
• M14: 36,511,904 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.9

Radius: 6.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.5 AU - 8.74 AU

Year: 15179 Days

Day: 18 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,639,244 km

• M1: 84,523 km (0.084 R)
• M2: 318,943 km (0.097 R)
• M3: 823,387 km (0.052 R)
• M4: 1,346,680 km (0.082 R)
• M5: 2,206,569 km (0.118 R)
• M6: 2,419,147 km (0.065 R)
• M7: 3,097,723 km (0.066 R)
• M8: 10,376,557 km (0.084 R)
• M9: 11,443,938 km (0.116 R)
• M10: 17,129,106 km (0.099 R)
• M11: 21,280,895 km (0.078 R)
• M12: 24,277,042 km (0.119 R)
• M13: 25,424,607 km (0.088 R)
• M14: 26,793,278 km (0.101 R)
• M15: 37,079,777 km (0.04 R)
• M16: 37,543,082 km (0.087 R)
• M17: 38,245,444 km (0.079 R)
• M18: 39,555,771 km (0.11 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 20,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit