🌌 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: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.8

Radius: 11.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.71 AU - 1.03 AU

Year: 550 Days

Day: 7 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,077,816 km

• M1: 143,016 km (0.089 R)
• M2: 514,766 km (0.073 R)
• M3: 953,537 km (0.106 R)
• M4: 1,351,018 km (0.1 R)
• M5: 2,130,423 km (0.063 R)
• M6: 2,707,572 km (0.036 R)
• M7: 3,918,866 km (0.09 R)
• M8: 4,568,270 km (0.075 R)
• M9: 5,168,606 km (0.104 R)
• M10: 6,273,237 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.9

Radius: 13.3

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.83 AU - 1.09 AU

Year: 638 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,077,816 km

• M1: 165,455 km (0.093 R)
• M2: 615,296 km (0.097 R)
• M3: 1,104,032 km (0.094 R)
• M4: 1,951,205 km (0.102 R)
• M5: 2,972,210 km (0.06 R)
• M6: 3,590,349 km (0.114 R)
• M7: 4,030,017 km (0.053 R)
• M8: 4,773,668 km (0.099 R)
• M9: 5,221,414 km (0.116 R)
• M10: 6,475,643 km (0.103 R)
• M11: 7,259,386 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.9

Radius: 12.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.97 AU - 1.11 AU

Year: 719 Days

Day: 7.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,077,816 km

• M1: 150,495 km (0.038 R)
• M2: 530,923 km (0.054 R)
• M3: 1,218,175 km (0.116 R)
• M4: 1,718,431 km (0.054 R)
• M5: 2,233,347 km (0.102 R)
• M6: 2,768,757 km (0.115 R)
• M7: 3,257,793 km (0.1 R)
• M8: 3,718,405 km (0.094 R)
• M9: 4,523,840 km (0.115 R)
• M10: 5,099,492 km (0.079 R)
• M11: 5,955,641 km (0.074 R)
• M12: 6,690,765 km (0.064 R)
• M13: 7,326,107 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.2

Radius: 9.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.66 AU - 1.88 AU

Year: 1597 Days

Day: 13.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,077,816 km

• M1: 123,119 km (0.105 R)
• M2: 531,671 km (0.12 R)
• M3: 857,046 km (0.074 R)
• M4: 1,219,522 km (0.119 R)
• M5: 1,601,146 km (0.096 R)
• M6: 2,600,161 km (0.102 R)
• M7: 3,404,698 km (0.119 R)
• M8: 4,598,339 km (0.048 R)
• M9: 4,936,281 km (0.112 R)
• M10: 5,273,475 km (0.094 R)
• M11: 6,477,737 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.8

Radius: 8

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.3 AU - 2.3 AU

Year: 2366 Days

Day: 10 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,077,816 km

• M1: 99,632 km (0.078 R)
• M2: 596,297 km (0.066 R)
• M3: 845,677 km (0.079 R)
• M4: 1,303,596 km (0.105 R)
• M5: 1,600,248 km (0.09 R)
• M6: 2,187,869 km (0.085 R)
• M7: 2,743,475 km (0.066 R)
• M8: 3,372,385 km (0.092 R)
• M9: 3,861,719 km (0.055 R)
• M10: 4,193,528 km (0.113 R)
• M11: 5,765,203 km (0.118 R)
• M12: 6,573,330 km (0.108 R)
• M13: 6,849,638 km (0.081 R)
• M14: 7,514,451 km (0.062 R)
• M15: 8,127,054 km (0.117 R)
• M16: 8,607,861 km (0.117 R)
• M17: 8,905,412 km (0.095 R)
• M18: 9,175,735 km (0.118 R)
• M19: 9,591,318 km (0.086 R)
• M20: 12,064,769 km (0.115 R)
• M21: 13,119,883 km (0.046 R)
• M22: 17,429,648 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.7

Radius: 10.4

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.88 AU - 4.72 AU

Year: 5024 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,077,816 km

• M1: 130,300 km (0.118 R)
• M2: 571,314 km (0.094 R)
• M3: 900,878 km (0.051 R)
• M4: 1,257,370 km (0.113 R)
• M5: 1,608,327 km (0.073 R)
• M6: 2,583,256 km (0.082 R)
• M7: 3,533,651 km (0.093 R)
• M8: 3,867,105 km (0.085 R)
• M9: 7,933,624 km (0.095 R)
• M10: 9,361,386 km (0.082 R)
• M11: 10,092,172 km (0.114 R)
• M12: 11,667,437 km (0.102 R)
• M13: 13,453,935 km (0.116 R)
• M14: 14,553,180 km (0.071 R)
• M15: 15,592,586 km (0.082 R)
• M16: 16,619,127 km (0.101 R)
• M17: 17,306,978 km (0.109 R)
• M18: 19,279,725 km (0.052 R)
• M19: 22,286,941 km (0.101 R)
• M20: 23,200,535 km (0.034 R)
• M21: 23,980,838 km (0.101 R)
• M22: 26,007,889 km (0.112 R)
• M23: 27,277,676 km (0.089 R)
• M24: 28,588,303 km (0.116 R)
• M25: 30,678,634 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.6

Radius: 12.7

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.91 AU - 3.99 AU

Year: 5325 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,077,816 km

• M1: 158,873 km (0.037 R)
• M2: 1,738,926 km (0.108 R)
• M3: 2,208,364 km (0.049 R)
• M4: 4,225,093 km (0.078 R)
• M5: 4,632,148 km (0.118 R)
• M6: 5,208,998 km (0.06 R)
• M7: 5,744,409 km (0.102 R)
• M8: 8,844,376 km (0.085 R)
• M9: 10,483,071 km (0.108 R)
• M10: 11,444,985 km (0.038 R)
• M11: 12,315,645 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.4

Radius: 10.3

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.35 AU - 5.15 AU

Year: 7022 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,077,816 km

• M1: 134,638 km (0.052 R)
• M2: 591,959 km (0.084 R)
• M3: 915,539 km (0.072 R)
• M4: 1,434,494 km (0.082 R)
• M5: 2,467,168 km (0.084 R)
• M6: 2,884,696 km (0.087 R)
• M7: 4,216,865 km (0.078 R)
• M8: 4,960,965 km (0.101 R)
• M9: 6,086,689 km (0.117 R)
• M10: 6,532,640 km (0.036 R)
• M11: 9,319,349 km (0.074 R)
• M12: 10,726,317 km (0.09 R)
• M13: 14,551,834 km (0.116 R)
• M14: 15,288,304 km (0.092 R)
• M15: 16,243,486 km (0.114 R)
• M16: 16,769,024 km (0.053 R)
• M17: 20,238,498 km (0.09 R)
• M18: 20,617,429 km (0.084 R)
• M19: 26,885,879 km (0.082 R)
• M20: 27,344,097 km (0.053 R)
• M21: 27,900,751 km (0.106 R)
• M22: 28,654,724 km (0.057 R)
• M23: 30,599,048 km (0.115 R)
• M24: 32,319,573 km (0.095 R)
• M25: 36,958,004 km (0.052 R)
• M26: 38,908,162 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.6

Radius: 7.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.34 AU - 10.58 AU

Year: 19735 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,077,816 km

• M1: 99,782 km (0.09 R)
• M2: 453,132 km (0.106 R)
• M3: 714,629 km (0.079 R)
• M4: 1,208,900 km (0.063 R)
• M5: 1,598,603 km (0.044 R)
• M6: 2,427,375 km (0.095 R)
• M7: 4,314,702 km (0.072 R)
• M8: 6,419,693 km (0.119 R)
• M9: 8,507,481 km (0.12 R)
• M10: 10,735,143 km (0.054 R)
• M11: 11,865,804 km (0.07 R)
• M12: 12,399,719 km (0.041 R)
• M13: 13,073,956 km (0.042 R)
• M14: 13,643,475 km (0.088 R)
• M15: 18,026,244 km (0.053 R)
• M16: 21,216,718 km (0.111 R)
• M17: 22,718,381 km (0.106 R)
• M18: 22,990,500 km (0.092 R)
• M19: 28,902,009 km (0.087 R)
• M20: 30,744,606 km (0.069 R)
• M21: 32,205,430 km (0.109 R)
• M22: 35,143,981 km (0.115 R)
• M23: 40,875,225 km (0.091 R)
• M24: 44,881,007 km (0.081 R)
• M25: 50,515,910 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.9

Radius: 5.7

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.65 AU - 11.49 AU

Year: 23308 Days

Day: 19.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,077,816 km

• M1: 98,136 km (0.1 R)
• M2: 1,211,743 km (0.059 R)
• M3: 2,239,031 km (0.075 R)
• M4: 2,706,674 km (0.047 R)
• M5: 4,190,087 km (0.096 R)
• M6: 4,932,391 km (0.106 R)
• M7: 5,461,669 km (0.065 R)
• M8: 6,145,780 km (0.093 R)
• M9: 6,716,346 km (0.07 R)
• M10: 7,455,659 km (0.098 R)
• M11: 7,821,725 km (0.094 R)
• M12: 10,960,288 km (0.076 R)
• M13: 21,890,806 km (0.061 R)
• M14: 25,917,382 km (0.085 R)
• M15: 35,653,960 km (0.107 R)
• M16: 39,648,522 km (0.067 R)
• M17: 44,079,162 km (0.098 R)
• M18: 44,673,963 km (0.103 R)
• M19: 48,354,969 km (0.04 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 13,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit