🌌 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: 365.1

Radius: 9.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.76 AU - 0.76 AU

Year: 449 Days

Day: 13.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,430,994 km

• M1: 123,119 km (0.098 R)
• M2: 463,005 km (0.068 R)
• M3: 804,238 km (0.075 R)
• M4: 1,126,921 km (0.117 R)
• M5: 1,615,657 km (0.056 R)
• M6: 2,225,418 km (0.106 R)
• M7: 2,602,853 km (0.113 R)
• M8: 3,244,329 km (0.111 R)
• M9: 3,852,295 km (0.042 R)
• M10: 4,453,678 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.7

Radius: 12.1

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.87 AU - 2.19 AU

Year: 1962 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,430,994 km

• M1: 151,991 km (0.117 R)
• M2: 531,671 km (0.101 R)
• M3: 1,088,025 km (0.103 R)
• M4: 3,007,815 km (0.093 R)
• M5: 3,432,074 km (0.104 R)
• M6: 3,913,630 km (0.097 R)
• M7: 4,290,168 km (0.071 R)
• M8: 5,459,125 km (0.098 R)
• M9: 6,504,216 km (0.105 R)
• M10: 6,880,754 km (0.099 R)
• M11: 7,541,079 km (0.093 R)
• M12: 8,042,232 km (0.118 R)
• M13: 9,456,680 km (0.11 R)
• M14: 10,307,144 km (0.115 R)
• M15: 12,387,751 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.7

Radius: 11.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.9 AU - 4.52 AU

Year: 4847 Days

Day: 11.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,430,994 km

• M1: 140,921 km (0.101 R)
• M2: 941,719 km (0.117 R)
• M3: 1,317,808 km (0.075 R)
• M4: 2,063,852 km (0.063 R)
• M5: 2,816,330 km (0.091 R)
• M6: 4,683,461 km (0.055 R)
• M7: 6,510,051 km (0.119 R)
• M8: 6,985,024 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628

Radius: 11.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.16 AU - 5.22 AU

Year: 5817 Days

Day: 8.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,430,994 km

• M1: 155,283 km (0.05 R)
• M2: 838,346 km (0.079 R)
• M3: 1,413,999 km (0.12 R)
• M4: 4,110,052 km (0.105 R)
• M5: 5,259,412 km (0.045 R)
• M6: 7,192,067 km (0.117 R)
• M7: 8,573,005 km (0.117 R)
• M8: 9,305,586 km (0.1 R)
• M9: 12,252,215 km (0.075 R)
• M10: 15,123,298 km (0.103 R)
• M11: 16,498,850 km (0.044 R)
• M12: 16,996,263 km (0.086 R)
• M13: 18,349,824 km (0.106 R)
• M14: 20,406,346 km (0.105 R)
• M15: 26,890,367 km (0.089 R)
• M16: 27,841,361 km (0.099 R)
• M17: 31,394,460 km (0.093 R)
• M18: 32,448,825 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.2

Radius: 8.3

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.26 AU - 4.9 AU

Year: 6648 Days

Day: 6.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,430,994 km

• M1: 103,223 km (0.063 R)
• M2: 1,501,514 km (0.112 R)
• M3: 2,463,129 km (0.069 R)
• M4: 3,047,757 km (0.09 R)
• M5: 4,491,377 km (0.04 R)
• M6: 6,095,515 km (0.082 R)
• M7: 6,438,094 km (0.106 R)
• M8: 6,892,722 km (0.096 R)
• M9: 7,473,461 km (0.098 R)
• M10: 9,618,694 km (0.105 R)
• M11: 11,335,629 km (0.082 R)
• M12: 11,902,605 km (0.102 R)
• M13: 14,801,812 km (0.113 R)
• M14: 17,017,805 km (0.073 R)
• M15: 25,695,229 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.2

Radius: 4.6

Gravity: 29.17 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.16 AU - 7.42 AU

Year: 10700 Days

Day: 15.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,430,994 km

• M1: 58,343 km (0.072 R)
• M2: 220,507 km (0.079 R)
• M3: 373,546 km (0.093 R)
• M4: 544,686 km (0.111 R)
• M5: 701,165 km (0.116 R)
• M6: 907,461 km (0.056 R)
• M7: 1,177,036 km (0.052 R)
• M8: 1,843,495 km (0.075 R)
• M9: 2,009,249 km (0.075 R)
• M10: 2,332,979 km (0.062 R)
• M11: 3,061,221 km (0.051 R)
• M12: 3,270,658 km (0.101 R)
• M13: 4,920,872 km (0.098 R)
• M14: 5,307,284 km (0.082 R)
• M15: 5,713,591 km (0.115 R)
• M16: 6,103,892 km (0.085 R)
• M17: 7,137,314 km (0.096 R)
• M18: 8,061,530 km (0.093 R)
• M19: 10,093,518 km (0.034 R)
• M20: 11,641,856 km (0.099 R)
• M21: 12,857,339 km (0.112 R)
• M22: 13,098,042 km (0.054 R)
• M23: 13,650,806 km (0.035 R)
• M24: 15,000,627 km (0.046 R)
• M25: 15,879,365 km (0.091 R)
• M26: 21,629,159 km (0.036 R)
• M27: 22,055,513 km (0.034 R)
• M28: 23,726,671 km (0.116 R)
• M29: 29,764,740 km (0.052 R)
• M30: 33,929,844 km (0.053 R)
• M31: 34,505,198 km (0.1 R)
• M32: 37,602,622 km (0.081 R)
• M33: 39,218,578 km (0.109 R)
• M34: 41,531,660 km (0.093 R)
• M35: 46,146,006 km (0.089 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 14,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit