🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.7

Radius: 13.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.52 AU - 0.56 AU

Year: 274 Days

Day: 9.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,092,419 km

• M1: 172,935 km (0.083 R)
• M2: 629,508 km (0.106 R)
• M3: 1,100,292 km (0.111 R)
• M4: 1,544,149 km (0.12 R)
• M5: 1,998,777 km (0.049 R)
• M6: 2,924,938 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.2

Radius: 14.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.45 AU - 1.81 AU

Year: 1436 Days

Day: 12 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,092,419 km

• M1: 186,399 km (0.098 R)
• M2: 898,634 km (0.066 R)
• M3: 1,374,804 km (0.114 R)
• M4: 1,987,258 km (0.049 R)
• M5: 3,111,037 km (0.089 R)
• M6: 4,874,048 km (0.07 R)
• M7: 5,962,971 km (0.076 R)
• M8: 6,521,121 km (0.099 R)
• M9: 8,225,938 km (0.079 R)
• M10: 9,507,842 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.1

Radius: 8

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.83 AU - 1.95 AU

Year: 1794 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,092,419 km

• M1: 99,483 km (0.115 R)
• M2: 362,924 km (0.039 R)
• M3: 629,957 km (0.069 R)
• M4: 917,334 km (0.1 R)
• M5: 1,416,243 km (0.087 R)
• M6: 2,038,121 km (0.061 R)
• M7: 3,345,906 km (0.094 R)
• M8: 3,996,956 km (0.072 R)
• M9: 4,564,081 km (0.066 R)
• M10: 4,835,153 km (0.065 R)
• M11: 5,455,984 km (0.111 R)
• M12: 6,029,393 km (0.108 R)
• M13: 6,721,881 km (0.11 R)
• M14: 8,172,980 km (0.09 R)
• M15: 9,216,575 km (0.084 R)
• M16: 9,651,307 km (0.048 R)
• M17: 10,134,508 km (0.099 R)
• M18: 11,000,380 km (0.049 R)
• M19: 11,299,726 km (0.054 R)
• M20: 12,390,444 km (0.109 R)
• M21: 13,893,753 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.5

Radius: 12.4

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.86 AU - 1.92 AU

Year: 1794 Days

Day: 14.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,092,419 km

• M1: 154,235 km (0.059 R)
• M2: 562,787 km (0.07 R)
• M3: 972,237 km (0.068 R)
• M4: 1,941,032 km (0.089 R)
• M5: 2,462,979 km (0.075 R)
• M6: 2,877,066 km (0.032 R)
• M7: 3,997,853 km (0.119 R)
• M8: 4,471,181 km (0.107 R)
• M9: 5,026,189 km (0.066 R)
• M10: 5,531,381 km (0.05 R)
• M11: 5,969,853 km (0.081 R)
• M12: 7,225,428 km (0.079 R)
• M13: 8,585,871 km (0.106 R)
• M14: 9,411,950 km (0.097 R)
• M15: 10,146,176 km (0.098 R)
• M16: 11,107,642 km (0.057 R)
• M17: 11,967,979 km (0.081 R)
• M18: 13,470,839 km (0.062 R)
• M19: 14,313,075 km (0.109 R)
• M20: 16,200,552 km (0.042 R)
• M21: 17,204,354 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.8

Radius: 9.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.81 AU - 4.03 AU

Year: 5357 Days

Day: 12.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,092,419 km

• M1: 170,542 km (0.075 R)
• M2: 501,602 km (0.041 R)
• M3: 812,466 km (0.035 R)
• M4: 1,600,548 km (0.049 R)
• M5: 2,086,292 km (0.1 R)
• M6: 2,572,036 km (0.106 R)
• M7: 2,936,756 km (0.103 R)
• M8: 3,729,924 km (0.117 R)
• M9: 4,045,725 km (0.089 R)
• M10: 4,902,322 km (0.074 R)
• M11: 6,452,306 km (0.062 R)
• M12: 12,557,245 km (0.113 R)
• M13: 13,222,507 km (0.115 R)
• M14: 13,910,956 km (0.105 R)
• M15: 16,679,265 km (0.079 R)
• M16: 18,073,068 km (0.101 R)
• M17: 21,024,634 km (0.073 R)
• M18: 23,777,983 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.6

Radius: 6.5

Gravity: 15.97 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.3 AU - 7.44 AU

Year: 11097 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,092,419 km

• M1: 81,531 km (0.114 R)
• M2: 322,832 km (0.028 R)
• M3: 822,190 km (0.084 R)
• M4: 1,630,916 km (0.079 R)
• M5: 2,542,266 km (0.06 R)
• M6: 3,038,931 km (0.109 R)
• M7: 3,781,535 km (0.058 R)
• M8: 4,517,856 km (0.079 R)
• M9: 4,888,260 km (0.116 R)
• M10: 5,345,880 km (0.088 R)
• M11: 5,795,870 km (0.118 R)
• M12: 9,334,758 km (0.109 R)
• M13: 13,967,654 km (0.099 R)
• M14: 16,341,623 km (0.101 R)
• M15: 21,871,209 km (0.099 R)
• M16: 23,837,374 km (0.106 R)
• M17: 25,918,429 km (0.045 R)
• M18: 28,530,558 km (0.097 R)
• M19: 32,316,730 km (0.104 R)
• M20: 34,742,161 km (0.094 R)
• M21: 35,938,644 km (0.099 R)
• M22: 38,540,301 km (0.107 R)
• M23: 38,794,318 km (0.085 R)
• M24: 40,736,099 km (0.099 R)
• M25: 41,530,762 km (0.063 R)
• M26: 42,335,599 km (0.046 R)
• M27: 43,838,010 km (0.057 R)
• M28: 44,114,916 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.5

Radius: 5.3

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8 AU - 8.46 AU

Year: 16297 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,092,419 km

• M1: 224,696 km (0.081 R)
• M2: 451,337 km (0.091 R)
• M3: 928,404 km (0.106 R)
• M4: 1,241,363 km (0.089 R)
• M5: 2,691,565 km (0.046 R)
• M6: 4,981,908 km (0.113 R)
• M7: 5,572,371 km (0.065 R)
• M8: 6,070,682 km (0.025 R)
• M9: 7,193,862 km (0.087 R)
• M10: 8,112,094 km (0.098 R)
• M11: 16,025,971 km (0.067 R)
• M12: 19,836,229 km (0.092 R)
• M13: 26,803,450 km (0.055 R)
• M14: 27,082,002 km (0.078 R)
• M15: 28,503,630 km (0.118 R)
• M16: 30,174,040 km (0.079 R)
• M17: 31,289,143 km (0.106 R)
• M18: 32,326,305 km (0.091 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: 356 - 11,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit