🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.2

Radius: 14.9

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.86 AU - 0.9 AU

Year: 550 Days

Day: 10.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,809,653 km

• M1: 185,352 km (0.036 R)
• M2: 681,717 km (0.077 R)
• M3: 1,224,459 km (0.095 R)
• M4: 1,721,124 km (0.098 R)
• M5: 2,266,857 km (0.102 R)
• M6: 2,734,051 km (0.111 R)
• M7: 5,062,691 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.6

Radius: 11.7

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.98 AU - 1.54 AU

Year: 943 Days

Day: 6 Hours

Environment

Temp: -189 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,809,653 km

• M1: 145,559 km (0.077 R)
• M2: 531,521 km (0.11 R)
• M3: 1,011,132 km (0.049 R)
• M4: 1,487,152 km (0.118 R)
• M5: 1,852,171 km (0.098 R)
• M6: 2,855,524 km (0.106 R)
• M7: 3,220,543 km (0.107 R)
• M8: 3,661,258 km (0.032 R)
• M9: 4,093,746 km (0.091 R)
• M10: 4,771,125 km (0.064 R)
• M11: 6,613,871 km (0.103 R)
• M12: 7,869,446 km (0.111 R)
• M13: 8,674,133 km (0.067 R)
• M14: 9,676,589 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.1

Radius: 14.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.04 AU - 1.58 AU

Year: 1000 Days

Day: 14.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,809,653 km

• M1: 182,958 km (0.119 R)
• M2: 642,822 km (0.098 R)
• M3: 1,370,765 km (0.115 R)
• M4: 2,844,005 km (0.115 R)
• M5: 3,461,844 km (0.095 R)
• M6: 4,675,083 km (0.092 R)
• M7: 5,793,626 km (0.106 R)
• M8: 6,882,100 km (0.104 R)
• M9: 7,546,315 km (0.109 R)
• M10: 8,202,750 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.2

Radius: 12.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.74 AU - 4.54 AU

Year: 4631 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,809,653 km

• M1: 207,642 km (0.11 R)
• M2: 633,248 km (0.115 R)
• M3: 1,119,740 km (0.063 R)
• M4: 1,550,432 km (0.103 R)
• M5: 2,044,255 km (0.116 R)
• M6: 3,270,060 km (0.044 R)
• M7: 4,824,831 km (0.11 R)
• M8: 7,794,647 km (0.083 R)
• M9: 13,876,998 km (0.084 R)
• M10: 14,898,901 km (0.115 R)
• M11: 16,271,312 km (0.085 R)
• M12: 16,678,517 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.4

Radius: 9.5

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.62 AU - 5.96 AU

Year: 6991 Days

Day: 10.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,809,653 km

• M1: 118,182 km (0.101 R)
• M2: 464,202 km (0.106 R)
• M3: 1,302,698 km (0.058 R)
• M4: 1,743,114 km (0.113 R)
• M5: 2,349,135 km (0.117 R)
• M6: 3,831,351 km (0.081 R)
• M7: 4,309,615 km (0.109 R)
• M8: 5,697,136 km (0.112 R)
• M9: 6,738,486 km (0.099 R)
• M10: 8,977,219 km (0.072 R)
• M11: 10,147,074 km (0.105 R)
• M12: 11,314,386 km (0.094 R)
• M13: 11,619,715 km (0.106 R)
• M14: 12,514,909 km (0.09 R)
• M15: 12,951,735 km (0.112 R)
• M16: 13,798,160 km (0.118 R)
• M17: 14,801,662 km (0.051 R)
• M18: 25,162,063 km (0.029 R)
• M19: 33,336,988 km (0.1 R)
• M20: 35,355,063 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.2

Radius: 13.3

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.35 AU - 5.29 AU

Year: 7057 Days

Day: 12.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,809,653 km

• M1: 165,455 km (0.112 R)
• M2: 615,296 km (0.063 R)
• M3: 1,790,238 km (0.116 R)
• M4: 2,478,986 km (0.043 R)
• M5: 3,139,311 km (0.095 R)
• M6: 4,173,781 km (0.113 R)
• M7: 5,329,424 km (0.072 R)
• M8: 5,847,631 km (0.032 R)
• M9: 6,688,222 km (0.091 R)
• M10: 7,331,193 km (0.099 R)
• M11: 8,098,331 km (0.115 R)
• M12: 10,623,394 km (0.062 R)
• M13: 11,185,433 km (0.102 R)
• M14: 13,281,000 km (0.102 R)
• M15: 16,021,034 km (0.116 R)
• M16: 17,243,548 km (0.115 R)
• M17: 21,205,049 km (0.088 R)
• M18: 28,763,931 km (0.092 R)
• M19: 29,958,021 km (0.075 R)
• M20: 30,669,807 km (0.109 R)
• M21: 38,659,231 km (0.095 R)
• M22: 40,482,231 km (0.116 R)
• M23: 41,729,129 km (0.042 R)
• M24: 42,234,920 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.7

Radius: 4.5

Gravity: 47.15 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.74 AU - 5.76 AU

Year: 9195 Days

Day: 23.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,809,653 km

• M1: 55,950 km (0.057 R)
• M2: 230,082 km (0.115 R)
• M3: 391,946 km (0.083 R)
• M4: 587,172 km (0.109 R)
• M5: 1,084,884 km (0.114 R)
• M6: 1,354,160 km (0.098 R)
• M7: 1,697,637 km (0.113 R)
• M8: 2,061,159 km (0.056 R)
• M9: 2,395,810 km (0.049 R)
• M10: 4,664,162 km (0.108 R)
• M11: 6,042,108 km (0.08 R)
• M12: 6,764,217 km (0.108 R)
• M13: 7,084,955 km (0.083 R)
• M14: 7,930,931 km (0.069 R)
• M15: 9,670,006 km (0.096 R)
• M16: 10,128,524 km (0.057 R)
• M17: 10,389,423 km (0.117 R)
• M18: 10,870,380 km (0.07 R)
• M19: 11,254,547 km (0.11 R)
• M20: 14,397,449 km (0.103 R)
• M21: 14,794,033 km (0.058 R)
• M22: 16,453,223 km (0.069 R)
• M23: 17,476,173 km (0.081 R)
• M24: 19,809,750 km (0.118 R)
• M25: 20,465,438 km (0.091 R)
• M26: 21,561,691 km (0.073 R)
• M27: 22,519,267 km (0.103 R)
• M28: 22,874,412 km (0.112 R)
• M29: 24,239,493 km (0.097 R)
• M30: 26,240,514 km (0.113 R)
• M31: 28,143,548 km (0.113 R)
• M32: 28,763,183 km (0.102 R)
• M33: 30,459,622 km (0.069 R)
• M34: 42,733,081 km (0.095 R)
• M35: 43,964,121 km (0.083 R)
• M36: 49,721,844 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.3

Radius: 6.7

Gravity: 19.32 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.28 AU - 9.58 AU

Year: 14892 Days

Day: 15.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,809,653 km

• M1: 85,271 km (0.105 R)
• M2: 1,368,821 km (0.104 R)
• M3: 1,663,229 km (0.117 R)
• M4: 1,888,673 km (0.096 R)
• M5: 2,668,228 km (0.042 R)
• M6: 4,089,557 km (0.105 R)
• M7: 4,309,316 km (0.117 R)
• M8: 4,536,705 km (0.051 R)
• M9: 5,490,691 km (0.043 R)
• M10: 9,042,294 km (0.102 R)
• M11: 11,016,387 km (0.103 R)
• M12: 22,756,080 km (0.072 R)
• M13: 23,748,961 km (0.102 R)
• M14: 26,791,183 km (0.097 R)
• M15: 27,120,000 km (0.111 R)
• M16: 28,690,179 km (0.079 R)
• M17: 29,497,559 km (0.101 R)
• M18: 40,688,227 km (0.113 R)
• M19: 42,742,505 km (0.079 R)
• M20: 58,172,030 km (0.089 R)
• M21: 59,836,904 km (0.095 R)
• M22: 61,343,205 km (0.089 R)
• M23: 62,874,639 km (0.117 R)
• M24: 63,844,631 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.9

Radius: 3.3

Gravity: 77.4 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.43 AU - 9.81 AU

Year: 16877 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,809,653 km

• M1: 41,139 km (0.063 R)
• M2: 424,409 km (0.072 R)
• M3: 764,296 km (0.099 R)
• M4: 914,941 km (0.069 R)
• M5: 1,022,053 km (0.064 R)
• M6: 1,364,781 km (0.1 R)
• M7: 1,815,819 km (0.081 R)
• M8: 2,448,020 km (0.099 R)
• M9: 3,134,375 km (0.06 R)
• M10: 3,269,162 km (0.056 R)
• M11: 3,757,001 km (0.081 R)
• M12: 5,167,260 km (0.1 R)
• M13: 8,549,818 km (0.104 R)
• M14: 9,693,942 km (0.08 R)
• M15: 9,865,232 km (0.118 R)
• M16: 11,755,999 km (0.064 R)
• M17: 14,684,228 km (0.119 R)
• M18: 19,027,652 km (0.084 R)
• M19: 19,386,388 km (0.105 R)
• M20: 21,634,395 km (0.063 R)
• M21: 23,532,792 km (0.068 R)
• M22: 23,738,938 km (0.061 R)
• M23: 23,946,131 km (0.11 R)
• M24: 28,233,157 km (0.081 R)
• M25: 28,465,782 km (0.083 R)
• M26: 33,391,890 km (0.113 R)
• M27: 33,521,891 km (0.107 R)
• M28: 33,782,790 km (0.087 R)
• M29: 38,001,450 km (0.1 R)
• M30: 38,285,237 km (0.117 R)
• M31: 38,427,504 km (0.061 R)
• M32: 40,163,288 km (0.083 R)
• M33: 44,102,051 km (0.053 R)
• M34: 46,812,016 km (0.042 R)
• M35: 56,890,125 km (0.063 R)
• M36: 59,331,413 km (0.094 R)
• M37: 61,256,289 km (0.118 R)
• M38: 64,020,558 km (0.093 R)
• M39: 66,045,066 km (0.093 R)
• M40: 66,249,866 km (0.071 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 19,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit