🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.8

Radius: 10.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.79 AU - 0.99 AU

Year: 542 Days

Day: 11.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,912,291 km

• M1: 130,599 km (0.114 R)
• M2: 496,216 km (0.074 R)
• M3: 829,221 km (0.076 R)
• M4: 1,268,291 km (0.1 R)
• M5: 1,898,696 km (0.116 R)
• M6: 2,630,080 km (0.076 R)
• M7: 3,274,697 km (0.051 R)
• M8: 4,060,535 km (0.094 R)
• M9: 4,982,357 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.7

Radius: 11.5

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.81 AU - 2.39 AU

Year: 1965 Days

Day: 7.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,912,291 km

• M1: 143,016 km (0.07 R)
• M2: 552,166 km (0.088 R)
• M3: 1,008,738 km (0.037 R)
• M4: 1,430,455 km (0.1 R)
• M5: 1,831,377 km (0.105 R)
• M6: 2,211,057 km (0.11 R)
• M7: 3,288,311 km (0.12 R)
• M8: 3,926,795 km (0.066 R)
• M9: 4,371,549 km (0.099 R)
• M10: 4,788,179 km (0.1 R)
• M11: 7,096,025 km (0.058 R)
• M12: 7,673,623 km (0.055 R)
• M13: 8,552,959 km (0.087 R)
• M14: 9,207,599 km (0.106 R)
• M15: 10,064,047 km (0.1 R)
• M16: 10,901,047 km (0.093 R)
• M17: 11,935,517 km (0.09 R)
• M18: 13,691,796 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.8

Radius: 13.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.14 AU - 2.24 AU

Year: 2093 Days

Day: 14.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,912,291 km

• M1: 165,455 km (0.112 R)
• M2: 848,968 km (0.068 R)
• M3: 1,288,337 km (0.102 R)
• M4: 1,758,224 km (0.115 R)
• M5: 2,429,021 km (0.106 R)
• M6: 3,027,412 km (0.06 R)
• M7: 4,795,360 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.5

Radius: 6.3

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.61 AU - 7.55 AU

Year: 9680 Days

Day: 22.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,912,291 km

• M1: 78,539 km (0.097 R)
• M2: 319,391 km (0.113 R)
• M3: 2,386,984 km (0.089 R)
• M4: 4,909,952 km (0.111 R)
• M5: 9,019,106 km (0.099 R)
• M6: 9,655,495 km (0.098 R)
• M7: 10,642,393 km (0.12 R)
• M8: 13,564,039 km (0.079 R)
• M9: 13,949,253 km (0.096 R)
• M10: 14,741,673 km (0.09 R)
• M11: 18,413,104 km (0.118 R)
• M12: 25,036,550 km (0.111 R)
• M13: 27,936,654 km (0.05 R)

Asteroid Belt

Center: 6.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.7

Radius: 4.6

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.6 AU - 8.82 AU

Year: 12500 Days

Day: 20.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,912,291 km

• M1: 57,296 km (0.08 R)
• M2: 337,343 km (0.059 R)
• M3: 549,024 km (0.111 R)
• M4: 795,113 km (0.096 R)
• M5: 2,834,580 km (0.111 R)
• M6: 3,403,052 km (0.093 R)
• M7: 4,176,324 km (0.063 R)
• M8: 4,646,809 km (0.12 R)
• M9: 4,821,091 km (0.041 R)
• M10: 5,994,087 km (0.075 R)
• M11: 6,447,967 km (0.083 R)
• M12: 7,190,272 km (0.117 R)
• M13: 7,783,278 km (0.109 R)
• M14: 9,663,574 km (0.11 R)
• M15: 10,936,352 km (0.03 R)
• M16: 12,763,990 km (0.101 R)
• M17: 14,170,210 km (0.112 R)
• M18: 15,872,184 km (0.099 R)
• M19: 17,917,786 km (0.082 R)
• M20: 18,491,494 km (0.101 R)
• M21: 20,209,326 km (0.106 R)
• M22: 22,194,041 km (0.108 R)
• M23: 24,654,776 km (0.054 R)
• M24: 29,313,852 km (0.055 R)
• M25: 29,511,471 km (0.109 R)
• M26: 29,709,988 km (0.109 R)
• M27: 31,227,808 km (0.085 R)
• M28: 33,116,481 km (0.058 R)
• M29: 35,526,502 km (0.098 R)
• M30: 40,081,608 km (0.116 R)
• M31: 41,185,341 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.8

Radius: 7.6

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.71 AU - 11.13 AU

Year: 17201 Days

Day: 23.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,912,291 km

• M1: 94,546 km (0.097 R)
• M2: 575,353 km (0.085 R)
• M3: 822,339 km (0.106 R)
• M4: 1,375,552 km (0.115 R)
• M5: 2,994,201 km (0.083 R)
• M6: 3,558,335 km (0.095 R)
• M7: 4,861,632 km (0.092 R)
• M8: 6,371,523 km (0.103 R)
• M9: 7,256,394 km (0.087 R)
• M10: 8,526,181 km (0.107 R)
• M11: 9,487,946 km (0.096 R)
• M12: 9,767,544 km (0.077 R)
• M13: 10,460,930 km (0.108 R)
• M14: 12,942,011 km (0.061 R)
• M15: 14,948,268 km (0.106 R)
• M16: 18,247,200 km (0.062 R)
• M17: 20,111,339 km (0.104 R)
• M18: 22,393,305 km (0.068 R)
• M19: 24,422,451 km (0.075 R)
• M20: 25,697,025 km (0.115 R)
• M21: 28,725,933 km (0.117 R)
• M22: 33,509,025 km (0.06 R)
• M23: 36,156,309 km (0.116 R)
• M24: 48,636,811 km (0.097 R)
• M25: 50,649,949 km (0.097 R)
• M26: 51,676,939 km (0.111 R)
• M27: 53,067,900 km (0.044 R)
• M28: 53,419,455 km (0.078 R)
• M29: 54,841,383 km (0.115 R)
• M30: 56,654,060 km (0.094 R)
• M31: 58,881,423 km (0.087 R)
• M32: 61,941,447 km (0.114 R)
• M33: 62,526,674 km (0.115 R)
• M34: 67,961,415 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.9

Radius: 4.6

Gravity: 30.38 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.65 AU - 11.51 AU

Year: 22220 Days

Day: 18.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,912,291 km

• M1: 57,146 km (0.115 R)
• M2: 281,094 km (0.032 R)
• M3: 499,956 km (0.095 R)
• M4: 907,461 km (0.119 R)
• M5: 1,174,942 km (0.03 R)
• M6: 1,428,660 km (0.102 R)
• M7: 1,964,818 km (0.062 R)
• M8: 2,459,239 km (0.096 R)
• M9: 3,195,859 km (0.069 R)
• M10: 3,660,062 km (0.069 R)
• M11: 6,450,660 km (0.054 R)
• M12: 7,382,655 km (0.113 R)
• M13: 7,779,388 km (0.101 R)
• M14: 10,525,856 km (0.052 R)
• M15: 11,028,355 km (0.099 R)
• M16: 13,635,098 km (0.065 R)
• M17: 15,001,974 km (0.11 R)
• M18: 18,093,862 km (0.119 R)
• M19: 19,740,785 km (0.103 R)
• M20: 20,024,722 km (0.064 R)
• M21: 22,497,425 km (0.113 R)
• M22: 24,616,330 km (0.108 R)
• M23: 24,945,295 km (0.102 R)
• M24: 29,002,090 km (0.111 R)
• M25: 33,611,500 km (0.098 R)
• M26: 35,250,195 km (0.087 R)
• M27: 42,338,441 km (0.102 R)
• M28: 44,571,788 km (0.106 R)
• M29: 45,387,994 km (0.105 R)
• M30: 51,204,658 km (0.054 R)
• M31: 54,105,959 km (0.113 R)
• M32: 56,352,620 km (0.105 R)
• M33: 57,691,372 km (0.095 R)
• M34: 58,855,692 km (0.083 R)
• M35: 72,713,541 km (0.071 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 15,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit