🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.1

Radius: 10.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.58 AU - 0.78 AU

Year: 380 Days

Day: 9 Hours

Environment

Temp: -149 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,826,561 km

• M1: 133,142 km (0.043 R)
• M2: 579,542 km (0.052 R)
• M3: 954,734 km (0.09 R)
• M4: 1,461,272 km (0.111 R)
• M5: 1,828,086 km (0.109 R)
• M6: 2,188,916 km (0.069 R)
• M7: 2,792,693 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.1

Radius: 9.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.72 AU - 1.02 AU

Year: 550 Days

Day: 11.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,826,561 km

• M1: 116,238 km (0.08 R)
• M2: 428,897 km (0.053 R)
• M3: 1,016,368 km (0.071 R)
• M4: 1,310,777 km (0.053 R)
• M5: 1,607,280 km (0.113 R)
• M6: 2,206,868 km (0.107 R)
• M7: 3,360,118 km (0.112 R)
• M8: 3,759,245 km (0.051 R)
• M9: 4,312,757 km (0.103 R)
• M10: 4,652,943 km (0.119 R)
• M11: 5,291,576 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 8.7

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.2 AU - 1.3 AU

Year: 948 Days

Day: 13 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,826,561 km

• M1: 108,159 km (0.112 R)
• M2: 583,432 km (0.109 R)
• M3: 1,070,522 km (0.113 R)
• M4: 1,380,340 km (0.064 R)
• M5: 1,811,032 km (0.077 R)
• M6: 2,918,954 km (0.084 R)
• M7: 3,704,642 km (0.103 R)
• M8: 4,108,257 km (0.099 R)
• M9: 4,409,696 km (0.102 R)
• M10: 5,183,267 km (0.056 R)
• M11: 5,884,731 km (0.113 R)
• M12: 8,320,634 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490

Radius: 10.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.21 AU - 1.59 AU

Year: 1124 Days

Day: 9.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,826,561 km

• M1: 125,662 km (0.119 R)
• M2: 451,636 km (0.071 R)
• M3: 770,728 km (0.112 R)
• M4: 1,175,241 km (0.116 R)
• M5: 1,801,458 km (0.06 R)
• M6: 2,170,366 km (0.078 R)
• M7: 2,625,443 km (0.12 R)
• M8: 3,405,745 km (0.083 R)
• M9: 4,660,273 km (0.065 R)
• M10: 5,228,745 km (0.109 R)
• M11: 5,761,014 km (0.104 R)
• M12: 9,573,217 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.9

Radius: 15

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.48 AU - 1.6 AU

Year: 1296 Days

Day: 12.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,826,561 km

• M1: 186,698 km (0.087 R)
• M2: 1,094,009 km (0.101 R)
• M3: 1,809,237 km (0.072 R)
• M4: 2,294,233 km (0.111 R)
• M5: 4,038,694 km (0.084 R)
• M6: 5,086,028 km (0.059 R)
• M7: 5,887,873 km (0.038 R)
• M8: 6,427,921 km (0.077 R)
• M9: 7,553,944 km (0.085 R)
• M10: 8,482,050 km (0.09 R)
• M11: 9,234,826 km (0.11 R)
• M12: 10,874,269 km (0.101 R)
• M13: 11,690,625 km (0.087 R)
• M14: 12,623,966 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 9.2

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.3 AU - 1.88 AU

Year: 1360 Days

Day: 8 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,826,561 km

• M1: 114,442 km (0.067 R)
• M2: 419,472 km (0.092 R)
• M3: 925,712 km (0.08 R)
• M4: 1,690,157 km (0.087 R)
• M5: 2,459,838 km (0.112 R)
• M6: 2,801,370 km (0.056 R)
• M7: 4,659,076 km (0.059 R)
• M8: 4,973,980 km (0.099 R)
• M9: 5,667,216 km (0.061 R)
• M10: 5,983,466 km (0.104 R)
• M11: 6,400,844 km (0.064 R)
• M12: 6,908,430 km (0.119 R)
• M13: 7,318,926 km (0.109 R)
• M14: 7,771,161 km (0.114 R)
• M15: 8,082,923 km (0.055 R)
• M16: 8,983,801 km (0.098 R)
• M17: 9,473,136 km (0.08 R)
• M18: 9,769,339 km (0.109 R)
• M19: 10,536,776 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.4

Radius: 10.8

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.23 AU - 3.17 AU

Year: 3009 Days

Day: 8.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,826,561 km

• M1: 134,339 km (0.05 R)
• M2: 627,862 km (0.074 R)
• M3: 1,307,336 km (0.111 R)
• M4: 2,062,356 km (0.117 R)
• M5: 3,820,730 km (0.099 R)
• M6: 5,685,018 km (0.061 R)
• M7: 6,612,824 km (0.103 R)
• M8: 8,256,606 km (0.114 R)
• M9: 8,629,404 km (0.079 R)
• M10: 9,445,310 km (0.101 R)
• M11: 13,883,281 km (0.107 R)
• M12: 14,655,954 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.3

Radius: 4.3

Gravity: 24.46 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.54 AU - 7.16 AU

Year: 10853 Days

Day: 21.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,826,561 km

• M1: 80,484 km (0.065 R)
• M2: 410,945 km (0.12 R)
• M3: 575,353 km (0.092 R)
• M4: 1,040,752 km (0.092 R)
• M5: 1,266,196 km (0.116 R)
• M6: 1,783,955 km (0.112 R)
• M7: 2,301,713 km (0.1 R)
• M8: 2,450,264 km (0.057 R)
• M9: 3,385,699 km (0.104 R)
• M10: 4,255,611 km (0.063 R)
• M11: 4,831,862 km (0.057 R)
• M12: 5,491,139 km (0.033 R)
• M13: 10,145,428 km (0.093 R)
• M14: 12,884,416 km (0.108 R)
• M15: 16,011,759 km (0.113 R)
• M16: 20,547,417 km (0.067 R)
• M17: 21,027,028 km (0.046 R)
• M18: 22,008,689 km (0.101 R)
• M19: 30,986,656 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.1

Radius: 7.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.12 AU - 9.98 AU

Year: 20017 Days

Day: 16.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,826,561 km

• M1: 96,939 km (0.098 R)
• M2: 355,594 km (0.116 R)
• M3: 640,279 km (0.104 R)
• M4: 964,906 km (0.1 R)
• M5: 1,232,537 km (0.11 R)
• M6: 2,314,877 km (0.085 R)
• M7: 3,189,277 km (0.093 R)
• M8: 3,875,034 km (0.09 R)
• M9: 5,034,268 km (0.054 R)
• M10: 5,502,060 km (0.062 R)
• M11: 5,853,765 km (0.091 R)
• M12: 6,999,385 km (0.106 R)
• M13: 10,453,301 km (0.101 R)
• M14: 12,665,704 km (0.086 R)
• M15: 15,516,441 km (0.063 R)
• M16: 17,688,602 km (0.108 R)
• M17: 18,926,225 km (0.075 R)
• M18: 22,984,815 km (0.083 R)
• M19: 25,795,909 km (0.043 R)
• M20: 28,723,539 km (0.112 R)
• M21: 29,568,468 km (0.041 R)
• M22: 30,647,966 km (0.117 R)
• M23: 33,926,703 km (0.032 R)
• M24: 34,633,104 km (0.067 R)
• M25: 36,197,150 km (0.057 R)
• M26: 37,556,994 km (0.072 R)
• M27: 42,789,030 km (0.077 R)
• M28: 46,727,493 km (0.102 R)
• M29: 47,017,713 km (0.052 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 14,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit