🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.6

Radius: 12.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.74 AU - 2.28 AU

Year: 1967 Days

Day: 12.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,640,144 km

• M1: 151,692 km (0.114 R)
• M2: 616,044 km (0.085 R)
• M3: 1,222,963 km (0.112 R)
• M4: 1,843,943 km (0.047 R)
• M5: 4,297,648 km (0.049 R)
• M6: 4,824,531 km (0.107 R)
• M7: 5,371,611 km (0.072 R)
• M8: 6,231,948 km (0.091 R)
• M9: 7,349,444 km (0.117 R)
• M10: 7,896,972 km (0.108 R)
• M11: 10,400,194 km (0.061 R)
• M12: 10,796,628 km (0.102 R)
• M13: 11,619,865 km (0.051 R)
• M14: 15,152,768 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.6

Radius: 8.9

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.68 AU - 2.54 AU

Year: 2116 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,640,144 km

• M1: 110,702 km (0.098 R)
• M2: 388,057 km (0.099 R)
• M3: 665,411 km (0.065 R)
• M4: 1,054,366 km (0.107 R)
• M5: 1,410,259 km (0.102 R)
• M6: 1,726,509 km (0.087 R)
• M7: 2,090,181 km (0.081 R)
• M8: 2,560,368 km (0.103 R)
• M9: 3,213,063 km (0.082 R)
• M10: 4,224,045 km (0.09 R)
• M11: 5,066,880 km (0.099 R)
• M12: 5,769,391 km (0.065 R)
• M13: 6,169,865 km (0.119 R)
• M14: 6,777,980 km (0.093 R)
• M15: 7,991,069 km (0.096 R)
• M16: 8,843,777 km (0.12 R)
• M17: 9,342,985 km (0.087 R)
• M18: 11,143,845 km (0.089 R)
• M19: 12,085,713 km (0.099 R)
• M20: 13,771,980 km (0.117 R)
• M21: 14,809,591 km (0.061 R)
• M22: 15,850,194 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93

Radius: 9.6

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.83 AU - 3.81 AU

Year: 4176 Days

Day: 11 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,640,144 km

• M1: 119,977 km (0.1 R)
• M2: 518,057 km (0.069 R)
• M3: 1,413,101 km (0.068 R)
• M4: 2,781,473 km (0.078 R)
• M5: 3,081,118 km (0.086 R)
• M6: 3,498,496 km (0.044 R)
• M7: 4,222,849 km (0.058 R)
• M8: 5,470,645 km (0.054 R)
• M9: 6,494,792 km (0.069 R)
• M10: 7,451,021 km (0.034 R)
• M11: 7,752,610 km (0.067 R)
• M12: 8,827,770 km (0.099 R)
• M13: 9,999,271 km (0.072 R)
• M14: 13,317,651 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.6

Radius: 11.1

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.56 AU - 4.16 AU

Year: 4251 Days

Day: 12.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,640,144 km

• M1: 138,079 km (0.081 R)
• M2: 580,739 km (0.073 R)
• M3: 1,592,918 km (0.104 R)
• M4: 2,812,141 km (0.107 R)
• M5: 3,455,860 km (0.062 R)
• M6: 8,122,716 km (0.109 R)
• M7: 11,506,769 km (0.111 R)
• M8: 12,571,906 km (0.072 R)
• M9: 14,357,805 km (0.103 R)
• M10: 14,943,331 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 11.4

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.81 AU - 5.09 AU

Year: 6480 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,640,144 km

• M1: 141,819 km (0.084 R)
• M2: 581,786 km (0.083 R)
• M3: 940,372 km (0.084 R)
• M4: 1,633,609 km (0.12 R)
• M5: 2,777,883 km (0.11 R)
• M6: 3,522,132 km (0.025 R)
• M7: 4,235,565 km (0.086 R)
• M8: 4,696,924 km (0.11 R)
• M9: 6,049,588 km (0.058 R)
• M10: 8,209,183 km (0.044 R)
• M11: 8,585,272 km (0.099 R)
• M12: 9,553,619 km (0.083 R)
• M13: 10,064,346 km (0.045 R)
• M14: 10,691,311 km (0.101 R)
• M15: 12,346,013 km (0.07 R)
• M16: 13,008,582 km (0.05 R)
• M17: 15,578,973 km (0.032 R)
• M18: 18,900,943 km (0.059 R)
• M19: 22,021,555 km (0.086 R)
• M20: 22,996,185 km (0.105 R)
• M21: 24,084,360 km (0.085 R)
• M22: 27,741,280 km (0.093 R)
• M23: 28,782,182 km (0.111 R)
• M24: 30,640,935 km (0.081 R)
• M25: 31,446,968 km (0.09 R)
• M26: 33,524,135 km (0.115 R)
• M27: 34,272,274 km (0.116 R)
• M28: 38,412,993 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.6

Radius: 9.1

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.04 AU - 5.42 AU

Year: 7101 Days

Day: 10.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,640,144 km

• M1: 113,096 km (0.119 R)
• M2: 575,952 km (0.085 R)
• M3: 1,030,879 km (0.118 R)
• M4: 2,032,885 km (0.108 R)
• M5: 2,401,495 km (0.071 R)
• M6: 3,975,563 km (0.104 R)
• M7: 6,872,077 km (0.026 R)
• M8: 8,664,858 km (0.104 R)
• M9: 9,201,017 km (0.033 R)
• M10: 9,729,098 km (0.081 R)
• M11: 10,401,989 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.6

Radius: 5

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.18 AU - 9.3 AU

Year: 14864 Days

Day: 20.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 46,640,144 km

• M1: 62,233 km (0.087 R)
• M2: 365,168 km (0.091 R)
• M3: 607,218 km (0.082 R)
• M4: 800,797 km (0.113 R)
• M5: 972,835 km (0.107 R)
• M6: 1,406,370 km (0.067 R)
• M7: 1,644,829 km (0.111 R)
• M8: 1,893,460 km (0.079 R)
• M9: 2,605,546 km (0.104 R)
• M10: 4,364,368 km (0.045 R)
• M11: 4,539,547 km (0.073 R)
• M12: 5,125,522 km (0.072 R)
• M13: 5,420,080 km (0.112 R)
• M14: 6,007,252 km (0.1 R)
• M15: 7,347,948 km (0.07 R)
• M16: 7,638,318 km (0.109 R)
• M17: 8,969,888 km (0.109 R)
• M18: 9,253,526 km (0.054 R)
• M19: 10,763,118 km (0.089 R)
• M20: 11,029,701 km (0.089 R)
• M21: 11,191,866 km (0.095 R)
• M22: 11,687,633 km (0.108 R)
• M23: 12,901,320 km (0.034 R)
• M24: 17,772,526 km (0.11 R)
• M25: 19,767,115 km (0.116 R)
• M26: 21,567,226 km (0.112 R)
• M27: 25,489,981 km (0.072 R)
• M28: 31,244,712 km (0.1 R)
• M29: 32,115,970 km (0.103 R)
• M30: 34,710,596 km (0.038 R)
• M31: 37,808,169 km (0.053 R)
• M32: 38,176,928 km (0.085 R)
• M33: 38,548,230 km (0.106 R)
• M34: 40,568,998 km (0.106 R)
• M35: 42,394,092 km (0.063 R)
• M36: 43,192,795 km (0.099 R)
• M37: 43,865,985 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.6

Radius: 5.1

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.13 AU - 8.33 AU

Year: 16297 Days

Day: 23.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,640,144 km

• M1: 64,028 km (0.04 R)
• M2: 453,581 km (0.087 R)
• M3: 1,161,927 km (0.095 R)
• M4: 1,781,112 km (0.102 R)
• M5: 3,120,312 km (0.112 R)
• M6: 3,316,884 km (0.081 R)
• M7: 4,186,796 km (0.11 R)
• M8: 4,932,242 km (0.099 R)
• M9: 5,109,366 km (0.098 R)
• M10: 7,735,706 km (0.08 R)
• M11: 8,895,089 km (0.051 R)
• M12: 9,470,892 km (0.055 R)
• M13: 10,745,615 km (0.077 R)
• M14: 12,672,436 km (0.066 R)
• M15: 15,249,708 km (0.041 R)
• M16: 25,912,894 km (0.102 R)
• M17: 31,106,484 km (0.1 R)
• M18: 34,856,902 km (0.116 R)
• M19: 35,073,670 km (0.068 R)
• M20: 36,952,918 km (0.107 R)
• M21: 38,665,664 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.2

Radius: 5.6

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.79 AU - 10.17 AU

Year: 17045 Days

Day: 17.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,640,144 km

• M1: 72,555 km (0.116 R)
• M2: 350,358 km (0.06 R)
• M3: 651,200 km (0.108 R)
• M4: 888,163 km (0.072 R)
• M5: 1,136,345 km (0.112 R)
• M6: 2,032,287 km (0.12 R)
• M7: 3,186,285 km (0.08 R)
• M8: 3,903,008 km (0.094 R)
• M9: 5,515,075 km (0.048 R)
• M10: 6,617,761 km (0.056 R)
• M11: 6,963,781 km (0.099 R)
• M12: 8,424,604 km (0.097 R)
• M13: 8,694,179 km (0.045 R)
• M14: 9,978,776 km (0.068 R)
• M15: 10,179,238 km (0.095 R)
• M16: 13,826,882 km (0.113 R)
• M17: 14,907,577 km (0.119 R)
• M18: 15,636,119 km (0.109 R)
• M19: 19,716,551 km (0.114 R)
• M20: 21,831,565 km (0.11 R)
• M21: 23,824,508 km (0.12 R)
• M22: 26,124,725 km (0.094 R)
• M23: 27,182,232 km (0.078 R)
• M24: 39,495,783 km (0.096 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: 419 - 16,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit