🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.4

Radius: 14.8

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.49 AU - 0.61 AU

Year: 272 Days

Day: 8.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 73,850,972 km

• M1: 184,155 km (0.057 R)
• M2: 711,487 km (0.086 R)
• M3: 1,409,661 km (0.109 R)
• M4: 2,015,083 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 9.6

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.5 AU - 0.66 AU

Year: 295 Days

Day: 11.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,850,972 km

• M1: 119,379 km (0.04 R)
• M2: 575,952 km (0.091 R)
• M3: 887,115 km (0.069 R)
• M4: 1,189,303 km (0.103 R)
• M5: 1,627,026 km (0.084 R)
• M6: 2,336,719 km (0.114 R)
• M7: 2,715,052 km (0.113 R)
• M8: 3,040,726 km (0.039 R)
• M9: 3,470,820 km (0.082 R)
• M10: 3,892,237 km (0.097 R)
• M11: 4,400,272 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.2

Radius: 10

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.61 AU - 0.91 AU

Year: 442 Days

Day: 10.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,850,972 km

• M1: 126,560 km (0.063 R)
• M2: 458,667 km (0.067 R)
• M3: 825,631 km (0.057 R)
• M4: 1,478,775 km (0.026 R)
• M5: 1,824,795 km (0.093 R)
• M6: 3,686,092 km (0.09 R)
• M7: 4,214,621 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.5

Radius: 7.9

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.55 AU - 7.61 AU

Year: 11256 Days

Day: 19.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,850,972 km

• M1: 98,585 km (0.057 R)
• M2: 354,248 km (0.105 R)
• M3: 1,052,870 km (0.074 R)
• M4: 2,649,079 km (0.116 R)
• M5: 3,181,797 km (0.117 R)
• M6: 3,486,079 km (0.035 R)
• M7: 3,965,840 km (0.04 R)
• M8: 4,692,736 km (0.066 R)
• M9: 5,182,369 km (0.116 R)
• M10: 5,945,468 km (0.047 R)
• M11: 6,482,225 km (0.075 R)
• M12: 7,944,245 km (0.114 R)
• M13: 8,550,865 km (0.12 R)
• M14: 8,820,141 km (0.116 R)
• M15: 9,328,474 km (0.11 R)
• M16: 9,613,907 km (0.038 R)
• M17: 10,918,999 km (0.057 R)
• M18: 11,668,634 km (0.104 R)
• M19: 13,390,057 km (0.114 R)
• M20: 14,186,216 km (0.108 R)
• M21: 16,075,189 km (0.048 R)
• M22: 17,115,343 km (0.044 R)
• M23: 17,760,558 km (0.117 R)
• M24: 19,871,983 km (0.029 R)
• M25: 20,186,587 km (0.093 R)
• M26: 21,150,745 km (0.08 R)
• M27: 24,496,203 km (0.109 R)
• M28: 27,589,288 km (0.107 R)
• M29: 28,079,670 km (0.114 R)
• M30: 29,687,847 km (0.115 R)
• M31: 31,890,376 km (0.056 R)
• M32: 34,312,366 km (0.091 R)
• M33: 35,452,751 km (0.105 R)
• M34: 35,915,906 km (0.075 R)
• M35: 39,643,137 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.1

Radius: 8

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.04 AU - 9.72 AU

Year: 14751 Days

Day: 23.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,850,972 km

• M1: 99,483 km (0.118 R)
• M2: 369,956 km (0.112 R)
• M3: 631,602 km (0.12 R)
• M4: 927,208 km (0.045 R)
• M5: 1,356,254 km (0.065 R)
• M6: 1,648,718 km (0.098 R)
• M7: 2,302,760 km (0.104 R)
• M8: 2,570,241 km (0.092 R)
• M9: 3,168,333 km (0.057 R)
• M10: 3,474,111 km (0.085 R)
• M11: 3,884,010 km (0.1 R)
• M12: 4,234,966 km (0.073 R)
• M13: 4,512,021 km (0.079 R)
• M14: 5,068,376 km (0.111 R)
• M15: 7,851,794 km (0.107 R)
• M16: 9,830,974 km (0.112 R)
• M17: 12,430,685 km (0.113 R)
• M18: 12,681,860 km (0.092 R)
• M19: 12,936,476 km (0.072 R)
• M20: 13,194,532 km (0.098 R)
• M21: 13,521,852 km (0.102 R)
• M22: 14,192,799 km (0.062 R)
• M23: 18,367,028 km (0.115 R)
• M24: 19,106,341 km (0.039 R)
• M25: 24,847,758 km (0.095 R)
• M26: 25,347,265 km (0.057 R)
• M27: 28,378,118 km (0.089 R)
• M28: 28,924,150 km (0.07 R)
• M29: 33,425,251 km (0.045 R)
• M30: 35,023,554 km (0.113 R)
• M31: 37,319,882 km (0.091 R)
• M32: 44,222,028 km (0.117 R)
• M33: 48,746,616 km (0.117 R)
• M34: 52,091,325 km (0.074 R)
• M35: 52,417,748 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.6

Radius: 6.3

Gravity: 15.89 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.89 AU - 10.45 AU

Year: 18518 Days

Day: 17.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,850,972 km

• M1: 78,389 km (0.103 R)
• M2: 366,066 km (0.104 R)
• M3: 776,413 km (0.045 R)
• M4: 1,001,558 km (0.051 R)
• M5: 1,229,246 km (0.052 R)
• M6: 1,476,232 km (0.072 R)
• M7: 2,534,188 km (0.054 R)
• M8: 2,790,449 km (0.109 R)
• M9: 3,635,976 km (0.071 R)
• M10: 3,901,961 km (0.046 R)
• M11: 4,180,961 km (0.092 R)
• M12: 5,244,901 km (0.059 R)
• M13: 6,782,019 km (0.103 R)
• M14: 8,597,090 km (0.075 R)
• M15: 8,805,331 km (0.107 R)
• M16: 9,671,951 km (0.096 R)
• M17: 10,125,981 km (0.118 R)
• M18: 10,894,016 km (0.07 R)
• M19: 11,385,595 km (0.113 R)
• M20: 11,827,656 km (0.112 R)
• M21: 15,249,259 km (0.038 R)
• M22: 17,390,902 km (0.076 R)
• M23: 18,576,764 km (0.105 R)
• M24: 23,555,082 km (0.04 R)
• M25: 32,143,346 km (0.079 R)
• M26: 34,971,045 km (0.101 R)
• M27: 37,266,475 km (0.102 R)
• M28: 39,516,876 km (0.085 R)
• M29: 39,804,403 km (0.092 R)
• M30: 42,455,277 km (0.089 R)
• M31: 44,752,353 km (0.103 R)
• M32: 53,883,358 km (0.103 R)
• M33: 55,666,864 km (0.079 R)
• M34: 57,858,472 km (0.074 R)
• M35: 64,578,110 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.2

Radius: 6.1

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.81 AU - 12.93 AU

Year: 22269 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,850,972 km

• M1: 94,247 km (0.025 R)
• M2: 513,270 km (0.12 R)
• M3: 893,997 km (0.075 R)
• M4: 1,201,121 km (0.099 R)
• M5: 1,480,121 km (0.03 R)
• M6: 6,232,696 km (0.09 R)
• M7: 6,577,070 km (0.117 R)
• M8: 10,751,300 km (0.091 R)
• M9: 11,246,918 km (0.101 R)
• M10: 12,962,655 km (0.096 R)
• M11: 14,619,751 km (0.045 R)
• M12: 15,074,080 km (0.109 R)
• M13: 17,153,041 km (0.098 R)
• M14: 17,743,803 km (0.083 R)
• M15: 44,904,942 km (0.086 R)
• M16: 46,025,580 km (0.077 R)
• M17: 51,040,250 km (0.117 R)
• M18: 64,940,286 km (0.104 R)
• M19: 69,938,351 km (0.119 R)
• M20: 71,226,837 km (0.093 R)
• M21: 72,969,204 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 13,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit