🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 14

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.44 AU - 0.72 AU

Year: 305 Days

Day: 11.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,582,587 km

• M1: 174,132 km (0.116 R)
• M2: 744,399 km (0.116 R)
• M3: 1,411,456 km (0.101 R)
• M4: 2,253,393 km (0.114 R)
• M5: 2,808,102 km (0.118 R)
• M6: 3,678,911 km (0.031 R)
• M7: 4,350,306 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.2

Radius: 8.3

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.49 AU - 0.77 AU

Year: 345 Days

Day: 11.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,582,587 km

• M1: 103,223 km (0.068 R)
• M2: 372,648 km (0.041 R)
• M3: 689,497 km (0.098 R)
• M4: 1,080,845 km (0.11 R)
• M5: 1,684,173 km (0.051 R)
• M6: 1,991,297 km (0.091 R)
• M7: 2,275,683 km (0.055 R)
• M8: 2,615,420 km (0.105 R)
• M9: 3,092,637 km (0.099 R)
• M10: 3,650,487 km (0.104 R)
• M11: 4,864,773 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.4

Radius: 9.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.89 AU - 1.07 AU

Year: 670 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,582,587 km

• M1: 123,119 km (0.116 R)
• M2: 445,802 km (0.065 R)
• M3: 1,170,005 km (0.066 R)
• M4: 1,602,044 km (0.091 R)
• M5: 1,981,424 km (0.074 R)
• M6: 2,420,942 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.3

Radius: 12

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.39 AU - 1.51 AU

Year: 1205 Days

Day: 6.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 107.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,582,587 km

• M1: 149,299 km (0.101 R)
• M2: 731,085 km (0.067 R)
• M3: 1,336,358 km (0.067 R)
• M4: 2,420,643 km (0.099 R)
• M5: 3,970,477 km (0.071 R)
• M6: 4,400,421 km (0.087 R)
• M7: 4,957,524 km (0.053 R)
• M8: 5,794,674 km (0.106 R)
• M9: 7,881,564 km (0.111 R)
• M10: 8,592,303 km (0.108 R)
• M11: 9,050,671 km (0.034 R)
• M12: 9,525,345 km (0.085 R)
• M13: 10,883,843 km (0.105 R)
• M14: 11,352,982 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.4

Radius: 8.1

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.62 AU - 1.66 AU

Year: 1450 Days

Day: 12.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,582,587 km

• M1: 100,979 km (0.093 R)
• M2: 448,943 km (0.109 R)
• M3: 825,481 km (0.053 R)
• M4: 1,196,484 km (0.092 R)
• M5: 1,470,697 km (0.033 R)
• M6: 1,902,436 km (0.092 R)
• M7: 2,546,605 km (0.11 R)
• M8: 3,088,298 km (0.112 R)
• M9: 3,550,855 km (0.111 R)
• M10: 4,109,005 km (0.082 R)
• M11: 4,488,834 km (0.089 R)
• M12: 5,686,813 km (0.051 R)
• M13: 6,657,554 km (0.109 R)
• M14: 9,297,358 km (0.094 R)
• M15: 9,892,458 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.2

Radius: 9.3

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.54 AU - 3.92 AU

Year: 4972 Days

Day: 8.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,582,587 km

• M1: 116,986 km (0.101 R)
• M2: 481,556 km (0.078 R)
• M3: 980,016 km (0.04 R)
• M4: 2,013,288 km (0.042 R)
• M5: 2,406,431 km (0.069 R)
• M6: 3,023,223 km (0.101 R)
• M7: 3,476,206 km (0.061 R)
• M8: 6,290,740 km (0.102 R)
• M9: 6,789,350 km (0.087 R)
• M10: 7,568,306 km (0.119 R)
• M11: 8,524,236 km (0.106 R)
• M12: 8,928,450 km (0.115 R)
• M13: 14,035,721 km (0.118 R)
• M14: 16,820,037 km (0.056 R)
• M15: 17,264,043 km (0.114 R)
• M16: 23,691,516 km (0.097 R)
• M17: 26,484,957 km (0.03 R)
• M18: 27,784,513 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.5

Radius: 7.2

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.53 AU - 8.25 AU

Year: 12484 Days

Day: 24.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,582,587 km

• M1: 89,759 km (0.097 R)
• M2: 414,685 km (0.07 R)
• M3: 836,551 km (0.081 R)
• M4: 1,221,018 km (0.108 R)
• M5: 1,778,569 km (0.112 R)
• M6: 2,437,697 km (0.081 R)
• M7: 2,813,038 km (0.052 R)
• M8: 3,388,541 km (0.072 R)
• M9: 3,629,843 km (0.039 R)
• M10: 5,169,504 km (0.082 R)
• M11: 5,790,186 km (0.074 R)
• M12: 6,831,836 km (0.1 R)
• M13: 7,062,216 km (0.114 R)
• M14: 7,497,845 km (0.04 R)
• M15: 8,598,886 km (0.1 R)
• M16: 9,281,201 km (0.098 R)
• M17: 10,296,223 km (0.101 R)
• M18: 11,117,815 km (0.109 R)
• M19: 11,871,937 km (0.106 R)
• M20: 14,717,289 km (0.112 R)
• M21: 16,918,023 km (0.105 R)
• M22: 20,816,394 km (0.091 R)
• M23: 22,126,871 km (0.109 R)
• M24: 26,670,159 km (0.114 R)
• M25: 31,480,179 km (0.079 R)
• M26: 38,750,636 km (0.109 R)
• M27: 39,116,552 km (0.039 R)
• M28: 39,855,266 km (0.101 R)
• M29: 43,820,507 km (0.046 R)
• M30: 44,350,533 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.1

Radius: 7.2

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.62 AU - 8.58 AU

Year: 14462 Days

Day: 21.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,582,587 km

• M1: 93,199 km (0.103 R)
• M2: 353,201 km (0.098 R)
• M3: 756,516 km (0.117 R)
• M4: 1,155,943 km (0.084 R)
• M5: 1,392,158 km (0.046 R)
• M6: 3,422,350 km (0.049 R)
• M7: 4,658,029 km (0.104 R)
• M8: 5,392,554 km (0.069 R)
• M9: 6,344,296 km (0.04 R)
• M10: 7,975,511 km (0.051 R)
• M11: 9,486,450 km (0.102 R)
• M12: 9,723,862 km (0.104 R)
• M13: 10,611,127 km (0.073 R)
• M14: 11,390,831 km (0.119 R)
• M15: 12,263,884 km (0.063 R)
• M16: 13,005,590 km (0.115 R)
• M17: 14,204,467 km (0.101 R)
• M18: 17,168,450 km (0.108 R)
• M19: 18,387,822 km (0.031 R)
• M20: 19,664,042 km (0.027 R)
• M21: 19,972,662 km (0.076 R)
• M22: 20,679,063 km (0.11 R)
• M23: 21,564,832 km (0.07 R)
• M24: 22,141,382 km (0.107 R)
• M25: 22,643,882 km (0.088 R)
• M26: 25,270,820 km (0.107 R)
• M27: 27,130,771 km (0.068 R)
• M28: 28,584,264 km (0.038 R)
• M29: 29,581,633 km (0.034 R)
• M30: 34,470,042 km (0.117 R)
• M31: 36,058,323 km (0.097 R)
• M32: 39,380,143 km (0.098 R)
• M33: 42,001,547 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.8

Radius: 7.2

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.77 AU - 10.45 AU

Year: 20563 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,582,587 km

• M1: 101,278 km (0.104 R)
• M2: 423,212 km (0.096 R)
• M3: 653,892 km (0.026 R)
• M4: 1,669,063 km (0.112 R)
• M5: 1,925,773 km (0.057 R)
• M6: 4,817,650 km (0.069 R)
• M7: 8,187,043 km (0.085 R)
• M8: 10,563,106 km (0.1 R)
• M9: 17,299,647 km (0.103 R)
• M10: 18,436,890 km (0.077 R)
• M11: 24,229,769 km (0.037 R)
• M12: 30,125,421 km (0.097 R)
• M13: 35,784,708 km (0.12 R)
• M14: 49,667,989 km (0.063 R)
• M15: 65,076,719 km (0.038 R)
• M16: 66,751,916 km (0.082 R)
• M17: 73,065,694 km (0.078 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 15,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit