🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.1

Radius: 11

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.43 AU - 0.63 AU

Year: 271 Days

Day: 13.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 165.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,057,690 km

• M1: 136,882 km (0.025 R)
• M2: 502,649 km (0.061 R)
• M3: 868,565 km (0.028 R)
• M4: 1,411,306 km (0.103 R)
• M5: 1,842,896 km (0.058 R)
• M6: 2,241,126 km (0.11 R)
• M7: 2,721,036 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810

Radius: 8.9

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.91 AU - 0.93 AU

Year: 620 Days

Day: 8.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,057,690 km

• M1: 111,002 km (0.11 R)
• M2: 394,639 km (0.09 R)
• M3: 1,083,837 km (0.093 R)
• M4: 1,449,603 km (0.102 R)
• M5: 1,827,787 km (0.105 R)
• M6: 3,021,727 km (0.116 R)
• M7: 3,401,556 km (0.089 R)
• M8: 4,045,874 km (0.086 R)
• M9: 4,428,845 km (0.111 R)
• M10: 5,725,410 km (0.116 R)
• M11: 6,512,444 km (0.11 R)
• M12: 6,868,038 km (0.063 R)
• M13: 7,258,638 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.3

Radius: 10.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.99 AU - 1.05 AU

Year: 724 Days

Day: 11.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,057,690 km

• M1: 125,662 km (0.11 R)
• M2: 439,967 km (0.076 R)
• M3: 806,781 km (0.059 R)
• M4: 1,556,117 km (0.112 R)
• M5: 2,508,756 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505

Radius: 9.6

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.18 AU - 1.54 AU

Year: 1115 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 159.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,057,690 km

• M1: 119,977 km (0.11 R)
• M2: 581,786 km (0.036 R)
• M3: 1,016,518 km (0.092 R)
• M4: 1,570,030 km (0.118 R)
• M5: 1,888,075 km (0.083 R)
• M6: 3,033,994 km (0.115 R)
• M7: 4,913,692 km (0.026 R)
• M8: 5,544,097 km (0.098 R)
• M9: 5,847,930 km (0.099 R)
• M10: 7,248,466 km (0.101 R)
• M11: 8,616,688 km (0.099 R)
• M12: 9,164,814 km (0.081 R)
• M13: 9,823,643 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.3

Radius: 13.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.13 AU - 1.71 AU

Year: 1189 Days

Day: 6.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,057,690 km

• M1: 170,392 km (0.102 R)
• M2: 605,722 km (0.12 R)
• M3: 1,127,669 km (0.059 R)
• M4: 1,653,505 km (0.087 R)
• M5: 2,239,031 km (0.037 R)
• M6: 2,823,959 km (0.105 R)
• M7: 3,557,437 km (0.032 R)
• M8: 4,602,079 km (0.04 R)
• M9: 5,730,945 km (0.106 R)
• M10: 6,372,869 km (0.043 R)
• M11: 7,320,422 km (0.062 R)
• M12: 8,855,745 km (0.09 R)
• M13: 9,371,259 km (0.095 R)
• M14: 10,462,725 km (0.1 R)
• M15: 12,109,050 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.9

Radius: 8.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.38 AU - 1.58 AU

Year: 1266 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,057,690 km

• M1: 102,026 km (0.026 R)
• M2: 393,442 km (0.079 R)
• M3: 718,369 km (0.072 R)
• M4: 1,123,929 km (0.089 R)
• M5: 1,634,806 km (0.117 R)
• M6: 2,456,547 km (0.1 R)
• M7: 2,760,380 km (0.098 R)
• M8: 3,155,318 km (0.037 R)
• M9: 3,486,528 km (0.05 R)
• M10: 4,451,434 km (0.083 R)
• M11: 5,428,159 km (0.079 R)
• M12: 6,607,140 km (0.088 R)
• M13: 7,221,538 km (0.097 R)
• M14: 7,725,384 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.4

Radius: 9.9

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.22 AU - 5.76 AU

Year: 7835 Days

Day: 13.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,057,690 km

• M1: 130,150 km (0.067 R)
• M2: 450,589 km (0.049 R)
• M3: 799,002 km (0.042 R)
• M4: 1,551,779 km (0.101 R)
• M5: 1,885,831 km (0.117 R)
• M6: 2,623,049 km (0.108 R)
• M7: 3,014,846 km (0.083 R)
• M8: 3,639,267 km (0.096 R)
• M9: 4,155,530 km (0.094 R)
• M10: 5,145,120 km (0.107 R)
• M11: 5,695,490 km (0.097 R)
• M12: 7,263,725 km (0.093 R)
• M13: 8,298,044 km (0.091 R)
• M14: 9,427,807 km (0.117 R)
• M15: 13,915,744 km (0.119 R)
• M16: 14,855,817 km (0.115 R)
• M17: 15,971,817 km (0.117 R)
• M18: 18,444,071 km (0.063 R)
• M19: 18,967,364 km (0.082 R)
• M20: 19,347,343 km (0.103 R)
• M21: 19,887,691 km (0.107 R)
• M22: 20,438,211 km (0.036 R)
• M23: 20,918,121 km (0.095 R)
• M24: 23,084,896 km (0.106 R)
• M25: 25,673,538 km (0.106 R)
• M26: 36,546,461 km (0.117 R)
• M27: 39,925,129 km (0.108 R)
• M28: 40,549,550 km (0.115 R)
• M29: 42,332,906 km (0.079 R)
• M30: 43,375,005 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.7

Radius: 5.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.72 AU - 7.48 AU

Year: 13298 Days

Day: 18 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,057,690 km

• M1: 66,122 km (0.068 R)
• M2: 293,960 km (0.067 R)
• M3: 872,156 km (0.114 R)
• M4: 1,124,677 km (0.052 R)
• M5: 1,435,691 km (0.105 R)
• M6: 1,729,202 km (0.089 R)
• M7: 2,390,574 km (0.088 R)
• M8: 2,770,253 km (0.103 R)
• M9: 4,174,529 km (0.117 R)
• M10: 4,421,066 km (0.078 R)
• M11: 5,400,034 km (0.051 R)
• M12: 5,585,087 km (0.118 R)
• M13: 5,968,207 km (0.081 R)
• M14: 6,194,848 km (0.082 R)
• M15: 7,222,735 km (0.119 R)
• M16: 8,429,990 km (0.09 R)
• M17: 14,610,626 km (0.087 R)
• M18: 16,581,877 km (0.093 R)
• M19: 20,590,053 km (0.06 R)
• M20: 20,847,959 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.4

Radius: 6.5

Gravity: 19.77 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.55 AU - 9.19 AU

Year: 15519 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,057,690 km

• M1: 80,932 km (0.092 R)
• M2: 307,573 km (0.059 R)
• M3: 762,201 km (0.076 R)
• M4: 1,272,031 km (0.027 R)
• M5: 1,522,458 km (0.039 R)
• M6: 1,877,154 km (0.078 R)
• M7: 2,522,519 km (0.091 R)
• M8: 3,122,556 km (0.083 R)
• M9: 3,497,897 km (0.12 R)
• M10: 3,872,939 km (0.101 R)
• M11: 6,412,513 km (0.115 R)
• M12: 6,798,326 km (0.077 R)
• M13: 7,245,025 km (0.095 R)
• M14: 9,500,811 km (0.098 R)
• M15: 14,816,921 km (0.039 R)
• M16: 17,143,766 km (0.103 R)
• M17: 17,471,386 km (0.078 R)
• M18: 19,436,803 km (0.069 R)
• M19: 20,887,902 km (0.06 R)
• M20: 21,830,668 km (0.07 R)
• M21: 23,699,594 km (0.095 R)
• M22: 40,430,021 km (0.1 R)
• M23: 41,302,925 km (0.119 R)
• M24: 46,806,032 km (0.103 R)
• M25: 48,091,975 km (0.096 R)
• M26: 48,743,773 km (0.116 R)
• M27: 50,231,674 km (0.093 R)
• M28: 50,902,471 km (0.03 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.3

Radius: 5.3

Gravity: 22.55 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.73 AU - 9.63 AU

Year: 16445 Days

Day: 20.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,057,690 km

• M1: 72,705 km (0.116 R)
• M2: 264,040 km (0.04 R)
• M3: 504,743 km (0.099 R)
• M4: 693,985 km (0.102 R)
• M5: 975,677 km (0.093 R)
• M6: 1,602,343 km (0.111 R)
• M7: 1,768,546 km (0.086 R)
• M8: 1,983,369 km (0.03 R)
• M9: 4,881,079 km (0.117 R)
• M10: 5,415,593 km (0.103 R)
• M11: 5,870,669 km (0.062 R)
• M12: 7,075,231 km (0.071 R)
• M13: 8,287,722 km (0.111 R)
• M14: 16,162,704 km (0.083 R)
• M15: 19,092,578 km (0.084 R)
• M16: 20,773,011 km (0.118 R)
• M17: 21,789,827 km (0.078 R)
• M18: 37,496,706 km (0.046 R)
• M19: 42,863,231 km (0.115 R)
• M20: 45,728,778 km (0.107 R)
• M21: 46,347,964 km (0.119 R)
• M22: 47,287,139 km (0.11 R)
• M23: 53,531,803 km (0.085 R)
• M24: 55,964,414 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 14,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit