🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.3

Radius: 11.4

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.7 AU - 1.7 AU

Year: 1431 Days

Day: 5.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,972,984 km

• M1: 142,567 km (0.107 R)
• M2: 501,602 km (0.098 R)
• M3: 1,039,406 km (0.114 R)
• M4: 1,406,968 km (0.076 R)
• M5: 1,981,274 km (0.039 R)
• M6: 2,455,948 km (0.058 R)
• M7: 3,406,493 km (0.035 R)
• M8: 3,825,218 km (0.097 R)
• M9: 4,297,348 km (0.064 R)
• M10: 5,057,156 km (0.103 R)
• M11: 5,718,678 km (0.05 R)
• M12: 6,562,260 km (0.051 R)
• M13: 6,922,193 km (0.067 R)
• M14: 9,018,508 km (0.117 R)
• M15: 11,287,309 km (0.103 R)
• M16: 12,612,896 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 13

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.72 AU - 2.58 AU

Year: 2036 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,972,984 km

• M1: 165,006 km (0.088 R)
• M2: 1,361,341 km (0.045 R)
• M3: 1,806,245 km (0.086 R)
• M4: 2,335,971 km (0.104 R)
• M5: 3,111,785 km (0.05 R)
• M6: 3,713,917 km (0.101 R)
• M7: 4,644,266 km (0.068 R)
• M8: 5,245,649 km (0.11 R)
• M9: 6,050,785 km (0.114 R)
• M10: 6,659,648 km (0.032 R)
• M11: 7,250,859 km (0.1 R)
• M12: 7,694,417 km (0.118 R)
• M13: 8,250,622 km (0.104 R)
• M14: 8,966,747 km (0.107 R)
• M15: 10,901,197 km (0.093 R)
• M16: 14,350,026 km (0.115 R)
• M17: 15,146,784 km (0.032 R)
• M18: 17,346,172 km (0.05 R)
• M19: 17,927,659 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.9

Radius: 11.2

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.07 AU - 4.69 AU

Year: 4935 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,972,984 km

• M1: 139,276 km (0.102 R)
• M2: 501,751 km (0.096 R)
• M3: 941,120 km (0.109 R)
• M4: 1,337,555 km (0.114 R)
• M5: 3,242,534 km (0.085 R)
• M6: 3,908,394 km (0.063 R)
• M7: 4,285,680 km (0.086 R)
• M8: 5,166,362 km (0.119 R)
• M9: 5,761,463 km (0.066 R)
• M10: 6,281,764 km (0.093 R)
• M11: 7,056,532 km (0.113 R)
• M12: 9,846,233 km (0.115 R)
• M13: 11,196,952 km (0.099 R)
• M14: 13,201,414 km (0.038 R)
• M15: 13,953,891 km (0.078 R)
• M16: 17,969,547 km (0.053 R)
• M17: 21,105,716 km (0.115 R)
• M18: 23,776,188 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.8

Radius: 12.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.11 AU - 4.89 AU

Year: 6164 Days

Day: 7.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,972,984 km

• M1: 151,692 km (0.054 R)
• M2: 588,518 km (0.097 R)
• M3: 1,336,059 km (0.032 R)
• M4: 2,520,874 km (0.114 R)
• M5: 3,881,018 km (0.114 R)
• M6: 4,697,523 km (0.055 R)
• M7: 13,009,629 km (0.112 R)
• M8: 13,719,172 km (0.117 R)
• M9: 18,847,836 km (0.1 R)
• M10: 19,690,670 km (0.032 R)
• M11: 21,451,437 km (0.082 R)
• M12: 21,872,405 km (0.091 R)
• M13: 22,875,758 km (0.117 R)
• M14: 23,909,629 km (0.103 R)
• M15: 25,284,434 km (0.115 R)
• M16: 26,070,571 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 14.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.41 AU - 4.65 AU

Year: 6225 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,972,984 km

• M1: 185,352 km (0.086 R)
• M2: 663,317 km (0.089 R)
• M3: 1,276,818 km (0.103 R)
• M4: 2,101,102 km (0.118 R)
• M5: 3,180,451 km (0.055 R)
• M6: 3,823,422 km (0.078 R)
• M7: 4,630,054 km (0.082 R)
• M8: 5,343,636 km (0.045 R)
• M9: 6,518,129 km (0.029 R)
• M10: 7,561,873 km (0.045 R)
• M11: 8,085,915 km (0.062 R)
• M12: 8,634,191 km (0.104 R)
• M13: 9,460,569 km (0.108 R)
• M14: 10,430,113 km (0.113 R)
• M15: 11,416,262 km (0.113 R)
• M16: 12,463,896 km (0.049 R)
• M17: 14,182,327 km (0.107 R)
• M18: 16,986,090 km (0.097 R)
• M19: 19,094,822 km (0.112 R)
• M20: 20,283,676 km (0.103 R)
• M21: 23,906,937 km (0.06 R)
• M22: 24,469,125 km (0.112 R)
• M23: 25,955,530 km (0.074 R)
• M24: 27,239,528 km (0.1 R)
• M25: 28,030,003 km (0.111 R)
• M26: 30,306,285 km (0.096 R)
• M27: 33,197,563 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.6

Radius: 13

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.12 AU - 5.38 AU

Year: 6684 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,972,984 km

• M1: 161,715 km (0.095 R)
• M2: 568,322 km (0.11 R)
• M3: 1,095,954 km (0.108 R)
• M4: 1,723,667 km (0.056 R)
• M5: 2,868,689 km (0.103 R)
• M6: 3,831,949 km (0.119 R)
• M7: 4,799,848 km (0.098 R)
• M8: 5,891,912 km (0.111 R)
• M9: 6,497,036 km (0.027 R)
• M10: 9,431,847 km (0.052 R)
• M11: 10,939,943 km (0.106 R)
• M12: 12,494,713 km (0.085 R)
• M13: 14,310,832 km (0.114 R)
• M14: 19,174,258 km (0.113 R)
• M15: 22,535,722 km (0.096 R)
• M16: 23,186,623 km (0.119 R)
• M17: 27,358,309 km (0.113 R)
• M18: 28,099,267 km (0.102 R)
• M19: 28,569,005 km (0.104 R)
• M20: 29,912,393 km (0.11 R)
• M21: 32,005,866 km (0.103 R)
• M22: 32,518,239 km (0.075 R)
• M23: 38,407,907 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.5

Radius: 3.2

Gravity: 72.61 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.39 AU - 8.73 AU

Year: 12112 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,972,984 km

• M1: 43,683 km (0.118 R)
• M2: 177,423 km (0.084 R)
• M3: 319,541 km (0.097 R)
• M4: 1,348,326 km (0.107 R)
• M5: 2,123,841 km (0.069 R)
• M6: 2,627,687 km (0.11 R)
• M7: 2,965,927 km (0.091 R)
• M8: 4,037,497 km (0.103 R)
• M9: 5,663,626 km (0.108 R)
• M10: 8,414,132 km (0.05 R)
• M11: 8,798,449 km (0.092 R)
• M12: 10,398,249 km (0.116 R)
• M13: 11,009,506 km (0.097 R)
• M14: 12,242,641 km (0.085 R)
• M15: 12,923,760 km (0.112 R)
• M16: 13,113,899 km (0.05 R)
• M17: 14,226,458 km (0.113 R)
• M18: 26,176,785 km (0.12 R)
• M19: 26,277,913 km (0.048 R)
• M20: 28,143,997 km (0.102 R)
• M21: 32,021,723 km (0.108 R)
• M22: 34,754,727 km (0.073 R)
• M23: 37,382,264 km (0.098 R)
• M24: 40,951,220 km (0.057 R)
• M25: 44,451,960 km (0.079 R)
• M26: 47,092,662 km (0.046 R)
• M27: 48,756,639 km (0.11 R)
• M28: 49,063,464 km (0.116 R)
• M29: 55,304,538 km (0.075 R)
• M30: 55,637,991 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 19,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit