🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.1

Radius: 11.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.95 AU - 1.09 AU

Year: 655 Days

Day: 13.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,669,736 km

• M1: 139,276 km (0.084 R)
• M2: 556,205 km (0.079 R)
• M3: 1,036,863 km (0.078 R)
• M4: 1,388,567 km (0.105 R)
• M5: 1,908,121 km (0.103 R)
• M6: 2,318,169 km (0.101 R)
• M7: 3,272,005 km (0.032 R)
• M8: 3,748,474 km (0.11 R)
• M9: 4,160,018 km (0.112 R)
• M10: 4,645,911 km (0.086 R)
• M11: 5,715,237 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.9

Radius: 8

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.08 AU - 1.2 AU

Year: 774 Days

Day: 6.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,669,736 km

• M1: 99,483 km (0.105 R)
• M2: 378,183 km (0.058 R)
• M3: 698,921 km (0.072 R)
• M4: 1,243,607 km (0.051 R)
• M5: 1,780,065 km (0.057 R)
• M6: 2,127,581 km (0.036 R)
• M7: 2,985,375 km (0.079 R)
• M8: 4,218,810 km (0.095 R)
• M9: 4,732,529 km (0.064 R)
• M10: 5,097,547 km (0.091 R)
• M11: 5,364,280 km (0.119 R)
• M12: 6,135,607 km (0.056 R)
• M13: 7,071,791 km (0.083 R)
• M14: 7,896,972 km (0.059 R)
• M15: 8,306,871 km (0.094 R)
• M16: 9,450,546 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.9

Radius: 12.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.73 AU - 2.53 AU

Year: 1977 Days

Day: 7 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,669,736 km

• M1: 154,535 km (0.115 R)
• M2: 621,729 km (0.084 R)
• M3: 1,008,589 km (0.082 R)
• M4: 1,726,808 km (0.111 R)
• M5: 3,362,362 km (0.113 R)
• M6: 4,122,319 km (0.111 R)
• M7: 6,008,898 km (0.035 R)
• M8: 8,997,115 km (0.088 R)
• M9: 10,134,209 km (0.087 R)
• M10: 11,559,727 km (0.09 R)
• M11: 12,651,043 km (0.045 R)
• M12: 13,898,390 km (0.12 R)
• M13: 14,301,856 km (0.115 R)
• M14: 15,320,767 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.5

Radius: 9.6

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.1 AU - 2.44 AU

Year: 2175 Days

Day: 11.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,669,736 km

• M1: 119,379 km (0.1 R)
• M2: 835,504 km (0.105 R)
• M3: 1,195,586 km (0.083 R)
• M4: 1,917,097 km (0.108 R)
• M5: 2,388,928 km (0.071 R)
• M6: 2,952,912 km (0.083 R)
• M7: 3,318,380 km (0.073 R)
• M8: 4,041,237 km (0.08 R)
• M9: 4,345,968 km (0.06 R)
• M10: 5,234,729 km (0.105 R)
• M11: 5,747,550 km (0.118 R)
• M12: 6,347,138 km (0.09 R)
• M13: 6,676,403 km (0.114 R)
• M14: 8,236,859 km (0.089 R)
• M15: 9,136,840 km (0.077 R)
• M16: 9,450,995 km (0.096 R)
• M17: 9,808,534 km (0.113 R)
• M18: 11,170,922 km (0.114 R)
• M19: 11,611,338 km (0.111 R)
• M20: 12,441,756 km (0.102 R)
• M21: 13,806,537 km (0.096 R)
• M22: 14,548,692 km (0.088 R)
• M23: 15,366,095 km (0.119 R)
• M24: 18,002,608 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.8

Radius: 11

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.41 AU - 4.87 AU

Year: 5356 Days

Day: 8.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,669,736 km

• M1: 136,732 km (0.1 R)
• M2: 548,276 km (0.101 R)
• M3: 1,657,694 km (0.095 R)
• M4: 3,310,750 km (0.035 R)
• M5: 4,356,739 km (0.112 R)
• M6: 4,892,748 km (0.096 R)
• M7: 5,666,169 km (0.109 R)
• M8: 6,427,173 km (0.115 R)
• M9: 9,006,540 km (0.075 R)
• M10: 9,396,093 km (0.078 R)
• M11: 11,606,551 km (0.053 R)
• M12: 14,352,719 km (0.11 R)
• M13: 16,561,531 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10

Radius: 5.2

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.93 AU - 7.25 AU

Year: 9556 Days

Day: 16.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,669,736 km

• M1: 129,552 km (0.036 R)
• M2: 424,708 km (0.119 R)
• M3: 956,828 km (0.095 R)
• M4: 2,102,897 km (0.119 R)
• M5: 3,013,200 km (0.077 R)
• M6: 4,024,332 km (0.085 R)
• M7: 4,533,414 km (0.038 R)
• M8: 7,844,613 km (0.119 R)
• M9: 10,635,661 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.9

Radius: 6.5

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.88 AU - 8.54 AU

Year: 12309 Days

Day: 17.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,669,736 km

• M1: 80,932 km (0.071 R)
• M2: 454,628 km (0.066 R)
• M3: 731,833 km (0.097 R)
• M4: 1,200,224 km (0.118 R)
• M5: 1,412,653 km (0.099 R)
• M6: 2,560,368 km (0.052 R)
• M7: 3,416,666 km (0.043 R)
• M8: 3,687,588 km (0.068 R)
• M9: 4,078,038 km (0.081 R)
• M10: 4,845,475 km (0.06 R)
• M11: 6,059,462 km (0.045 R)
• M12: 6,633,020 km (0.107 R)
• M13: 8,748,334 km (0.054 R)
• M14: 9,219,717 km (0.096 R)
• M15: 12,231,272 km (0.1 R)
• M16: 12,728,684 km (0.084 R)
• M17: 15,787,961 km (0.111 R)
• M18: 16,870,750 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.8

Radius: 4.4

Gravity: 24.89 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.74 AU - 8.46 AU

Year: 13322 Days

Day: 15.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,669,736 km

• M1: 58,343 km (0.113 R)
• M2: 698,472 km (0.086 R)
• M3: 1,273,527 km (0.047 R)
• M4: 1,620,444 km (0.11 R)
• M5: 1,824,496 km (0.094 R)
• M6: 2,480,183 km (0.036 R)
• M7: 4,211,180 km (0.11 R)
• M8: 4,975,326 km (0.077 R)
• M9: 6,232,098 km (0.078 R)
• M10: 10,165,774 km (0.116 R)
• M11: 13,443,164 km (0.118 R)
• M12: 15,147,532 km (0.088 R)
• M13: 16,770,968 km (0.105 R)
• M14: 20,441,801 km (0.069 R)
• M15: 23,045,103 km (0.069 R)
• M16: 26,351,815 km (0.071 R)
• M17: 29,003,437 km (0.11 R)
• M18: 41,925,551 km (0.115 R)
• M19: 43,286,443 km (0.063 R)
• M20: 43,977,735 km (0.067 R)
• M21: 44,396,010 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.8

Radius: 8

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.24 AU - 9.8 AU

Year: 14441 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,669,736 km

• M1: 100,380 km (0.11 R)
• M2: 372,499 km (0.108 R)
• M3: 947,703 km (0.095 R)
• M4: 1,212,491 km (0.117 R)
• M5: 1,512,135 km (0.075 R)
• M6: 2,452,807 km (0.095 R)
• M7: 3,036,687 km (0.073 R)
• M8: 3,596,183 km (0.085 R)
• M9: 4,005,932 km (0.102 R)
• M10: 4,446,647 km (0.1 R)
• M11: 5,024,693 km (0.099 R)
• M12: 8,188,838 km (0.094 R)
• M13: 10,154,703 km (0.065 R)
• M14: 15,365,796 km (0.105 R)
• M15: 17,002,845 km (0.077 R)
• M16: 18,752,991 km (0.1 R)
• M17: 20,804,127 km (0.092 R)
• M18: 21,082,230 km (0.11 R)
• M19: 26,091,065 km (0.031 R)
• M20: 31,716,993 km (0.11 R)
• M21: 32,457,053 km (0.084 R)
• M22: 32,831,347 km (0.096 R)
• M23: 34,616,349 km (0.104 R)
• M24: 38,657,287 km (0.063 R)
• M25: 43,604,937 km (0.061 R)
• M26: 48,307,247 km (0.096 R)
• M27: 48,795,235 km (0.094 R)
• M28: 50,279,096 km (0.064 R)
• M29: 53,336,578 km (0.082 R)
• M30: 61,708,972 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.4

Radius: 6.4

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.36 AU - 10.26 AU

Year: 16626 Days

Day: 24.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,669,736 km

• M1: 83,625 km (0.105 R)
• M2: 302,038 km (0.112 R)
• M3: 755,918 km (0.116 R)
• M4: 1,133,353 km (0.111 R)
• M5: 1,508,545 km (0.081 R)
• M6: 3,194,064 km (0.101 R)
• M7: 4,267,279 km (0.057 R)
• M8: 6,846,795 km (0.092 R)
• M9: 7,229,018 km (0.06 R)
• M10: 7,943,497 km (0.053 R)
• M11: 8,606,366 km (0.092 R)
• M12: 11,452,166 km (0.113 R)
• M13: 12,546,175 km (0.098 R)
• M14: 13,378,388 km (0.087 R)
• M15: 15,728,421 km (0.028 R)
• M16: 17,154,837 km (0.118 R)
• M17: 19,410,773 km (0.048 R)
• M18: 20,348,751 km (0.079 R)
• M19: 25,799,200 km (0.063 R)
• M20: 28,421,800 km (0.064 R)
• M21: 28,857,280 km (0.113 R)
• M22: 30,303,293 km (0.099 R)
• M23: 30,757,771 km (0.085 R)
• M24: 32,978,851 km (0.093 R)
• M25: 34,930,355 km (0.115 R)
• M26: 35,304,649 km (0.096 R)
• M27: 36,315,781 km (0.12 R)
• M28: 39,600,202 km (0.107 R)
• M29: 40,143,392 km (0.118 R)
• M30: 40,691,518 km (0.105 R)
• M31: 48,279,122 km (0.056 R)
• M32: 50,790,721 km (0.068 R)
• M33: 56,929,619 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 20,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit