🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.7

Radius: 8

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.69 AU - 0.79 AU

Year: 418 Days

Day: 11.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,894,212 km

• M1: 99,483 km (0.045 R)
• M2: 413,189 km (0.088 R)
• M3: 696,976 km (0.087 R)
• M4: 967,001 km (0.108 R)
• M5: 1,375,552 km (0.102 R)
• M6: 1,649,167 km (0.065 R)
• M7: 1,999,675 km (0.058 R)
• M8: 2,758,884 km (0.056 R)
• M9: 3,199,001 km (0.117 R)
• M10: 3,489,670 km (0.068 R)
• M11: 3,747,576 km (0.118 R)
• M12: 4,569,916 km (0.096 R)
• M13: 4,819,295 km (0.114 R)
• M14: 5,187,007 km (0.11 R)
• M15: 5,458,527 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.9

Radius: 9.1

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.87 AU - 1.13 AU

Year: 656 Days

Day: 10.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,894,212 km

• M1: 113,246 km (0.106 R)
• M2: 399,277 km (0.079 R)
• M3: 731,982 km (0.081 R)
• M4: 1,108,969 km (0.105 R)
• M5: 1,574,817 km (0.117 R)
• M6: 2,089,284 km (0.094 R)
• M7: 2,445,028 km (0.08 R)
• M8: 2,770,253 km (0.1 R)
• M9: 3,332,592 km (0.075 R)
• M10: 3,806,368 km (0.114 R)
• M11: 4,261,146 km (0.111 R)
• M12: 5,634,155 km (0.106 R)
• M13: 5,944,720 km (0.112 R)
• M14: 6,432,260 km (0.111 R)
• M15: 7,556,637 km (0.065 R)
• M16: 8,031,610 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.5

Radius: 14.3

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.77 AU - 1.27 AU

Year: 676 Days

Day: 9.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 87.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,894,212 km

• M1: 177,872 km (0.097 R)
• M2: 664,663 km (0.085 R)
• M3: 1,292,974 km (0.069 R)
• M4: 2,012,989 km (0.043 R)
• M5: 2,651,622 km (0.112 R)
• M6: 3,423,547 km (0.111 R)
• M7: 3,984,689 km (0.05 R)
• M8: 4,607,016 km (0.109 R)
• M9: 5,068,825 km (0.08 R)
• M10: 6,028,794 km (0.115 R)
• M11: 6,685,678 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.7

Radius: 14.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.07 AU - 1.27 AU

Year: 830 Days

Day: 10.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,894,212 km

• M1: 185,352 km (0.119 R)
• M2: 712,684 km (0.059 R)
• M3: 1,222,514 km (0.102 R)
• M4: 1,692,700 km (0.057 R)
• M5: 2,278,076 km (0.055 R)
• M6: 2,815,282 km (0.119 R)
• M7: 3,535,147 km (0.066 R)
• M8: 5,412,750 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.5

Radius: 8.6

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.01 AU - 1.63 AU

Year: 995 Days

Day: 13.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,894,212 km

• M1: 107,710 km (0.087 R)
• M2: 479,760 km (0.096 R)
• M3: 915,838 km (0.11 R)
• M4: 1,339,350 km (0.047 R)
• M5: 2,202,529 km (0.113 R)
• M6: 2,493,797 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.3

Radius: 3.2

Gravity: 45.44 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.17 AU - 8.73 AU

Year: 16114 Days

Day: 17.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 152.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,894,212 km

• M1: 40,691 km (0.081 R)
• M2: 195,225 km (0.047 R)
• M3: 366,216 km (0.109 R)
• M4: 614,997 km (0.089 R)
• M5: 1,033,721 km (0.093 R)
• M6: 1,747,303 km (0.118 R)
• M7: 2,563,958 km (0.084 R)
• M8: 2,695,155 km (0.066 R)
• M9: 3,140,807 km (0.115 R)
• M10: 5,636,249 km (0.119 R)
• M11: 6,601,455 km (0.099 R)
• M12: 6,765,564 km (0.11 R)
• M13: 6,932,216 km (0.077 R)
• M14: 8,177,319 km (0.061 R)
• M15: 10,701,184 km (0.119 R)
• M16: 11,626,148 km (0.119 R)
• M17: 12,603,022 km (0.053 R)
• M18: 13,567,330 km (0.116 R)
• M19: 15,210,962 km (0.1 R)
• M20: 18,641,391 km (0.074 R)
• M21: 18,804,752 km (0.098 R)
• M22: 20,753,264 km (0.09 R)
• M23: 23,019,372 km (0.109 R)
• M24: 23,970,067 km (0.119 R)
• M25: 24,847,907 km (0.103 R)
• M26: 27,188,067 km (0.107 R)
• M27: 29,893,694 km (0.111 R)
• M28: 31,600,306 km (0.105 R)
• M29: 32,066,154 km (0.049 R)
• M30: 32,183,439 km (0.048 R)
• M31: 36,979,098 km (0.117 R)
• M32: 38,943,467 km (0.081 R)
• M33: 40,564,360 km (0.108 R)
• M34: 41,669,440 km (0.052 R)
• M35: 43,221,518 km (0.12 R)
• M36: 46,891,602 km (0.054 R)
• M37: 47,193,939 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.5

Radius: 3.4

Gravity: 47.62 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.78 AU - 12.16 AU

Year: 22224 Days

Day: 21.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,894,212 km

• M1: 46,375 km (0.027 R)
• M2: 160,668 km (0.079 R)
• M3: 484,697 km (0.068 R)
• M4: 2,435,753 km (0.102 R)
• M5: 3,551,753 km (0.088 R)
• M6: 4,404,760 km (0.106 R)
• M7: 5,081,092 km (0.116 R)
• M8: 7,570,849 km (0.12 R)
• M9: 14,765,459 km (0.065 R)
• M10: 18,295,371 km (0.112 R)
• M11: 39,170,407 km (0.034 R)
• M12: 39,906,878 km (0.094 R)
• M13: 45,970,229 km (0.108 R)
• M14: 48,795,085 km (0.035 R)
• M15: 51,733,188 km (0.072 R)
• M16: 54,970,486 km (0.082 R)
• M17: 64,257,821 km (0.075 R)
• M18: 74,088,345 km (0.102 R)
• M19: 74,536,989 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 11,278 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit