🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.9

Radius: 8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.78 AU - 0.84 AU

Year: 464 Days

Day: 8.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,751,061 km

• M1: 99,483 km (0.084 R)
• M2: 397,631 km (0.058 R)
• M3: 714,928 km (0.103 R)
• M4: 1,018,761 km (0.039 R)
• M5: 1,381,237 km (0.08 R)
• M6: 1,882,839 km (0.033 R)
• M7: 2,344,797 km (0.088 R)
• M8: 2,870,933 km (0.057 R)
• M9: 3,167,286 km (0.053 R)
• M10: 3,612,340 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849

Radius: 14.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.03 AU - 1.37 AU

Year: 836 Days

Day: 8.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,751,061 km

• M1: 182,958 km (0.097 R)
• M2: 660,325 km (0.063 R)
• M3: 1,129,165 km (0.108 R)
• M4: 2,227,811 km (0.118 R)
• M5: 3,023,523 km (0.082 R)
• M6: 3,940,558 km (0.119 R)
• M7: 5,412,002 km (0.069 R)
• M8: 6,262,915 km (0.117 R)
• M9: 8,206,042 km (0.112 R)
• M10: 8,944,606 km (0.096 R)
• M11: 9,470,742 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 8.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.54 AU - 1.6 AU

Year: 1251 Days

Day: 12.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,751,061 km

• M1: 102,026 km (0.065 R)
• M2: 596,896 km (0.038 R)
• M3: 1,048,980 km (0.055 R)
• M4: 1,536,819 km (0.096 R)
• M5: 1,793,828 km (0.061 R)
• M6: 2,461,483 km (0.109 R)
• M7: 3,050,899 km (0.119 R)
• M8: 3,338,576 km (0.115 R)
• M9: 3,658,865 km (0.11 R)
• M10: 3,938,762 km (0.105 R)
• M11: 4,426,302 km (0.09 R)
• M12: 4,813,611 km (0.078 R)
• M13: 5,483,959 km (0.062 R)
• M14: 6,011,441 km (0.116 R)
• M15: 7,489,917 km (0.09 R)
• M16: 8,516,008 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.9

Radius: 14.3

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.16 AU - 2.34 AU

Year: 2146 Days

Day: 7.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,751,061 km

• M1: 177,872 km (0.119 R)
• M2: 742,903 km (0.111 R)
• M3: 1,442,722 km (0.088 R)
• M4: 2,070,285 km (0.073 R)
• M5: 2,753,349 km (0.026 R)
• M6: 3,439,405 km (0.066 R)
• M7: 3,979,453 km (0.099 R)
• M8: 4,455,473 km (0.108 R)
• M9: 5,386,122 km (0.114 R)
• M10: 5,908,667 km (0.106 R)
• M11: 6,733,400 km (0.104 R)
• M12: 8,612,948 km (0.101 R)
• M13: 9,301,696 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.4

Radius: 11.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.24 AU - 3.42 AU

Year: 3864 Days

Day: 8.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,751,061 km

• M1: 143,315 km (0.073 R)
• M2: 608,564 km (0.116 R)
• M3: 1,075,758 km (0.057 R)
• M4: 1,562,101 km (0.091 R)
• M5: 1,949,410 km (0.095 R)
• M6: 2,444,429 km (0.07 R)
• M7: 3,005,870 km (0.049 R)
• M8: 4,028,970 km (0.026 R)
• M9: 4,564,979 km (0.092 R)
• M10: 5,394,948 km (0.105 R)
• M11: 5,966,561 km (0.086 R)
• M12: 7,573,392 km (0.047 R)
• M13: 10,558,468 km (0.092 R)
• M14: 13,304,187 km (0.117 R)
• M15: 13,819,851 km (0.079 R)
• M16: 14,397,748 km (0.06 R)
• M17: 16,122,761 km (0.106 R)
• M18: 17,476,322 km (0.09 R)
• M19: 19,556,481 km (0.097 R)
• M20: 20,162,502 km (0.064 R)
• M21: 20,656,175 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 10.3

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.89 AU - 6.83 AU

Year: 9019 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,751,061 km

• M1: 129,552 km (0.066 R)
• M2: 791,223 km (0.112 R)
• M3: 1,302,698 km (0.108 R)
• M4: 2,113,369 km (0.11 R)
• M5: 8,072,750 km (0.111 R)
• M6: 8,758,806 km (0.085 R)
• M7: 9,649,661 km (0.085 R)
• M8: 10,555,177 km (0.11 R)
• M9: 12,091,248 km (0.062 R)
• M10: 12,887,557 km (0.115 R)
• M11: 13,402,623 km (0.07 R)
• M12: 14,918,348 km (0.054 R)
• M13: 18,158,938 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.6

Radius: 4.1

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.38 AU - 10.56 AU

Year: 18529 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,751,061 km

• M1: 51,013 km (0.111 R)
• M2: 211,531 km (0.115 R)
• M3: 427,850 km (0.103 R)
• M4: 627,862 km (0.046 R)
• M5: 1,251,835 km (0.092 R)
• M6: 2,578,469 km (0.078 R)
• M7: 2,815,282 km (0.087 R)
• M8: 3,541,730 km (0.085 R)
• M9: 5,707,907 km (0.053 R)
• M10: 9,063,836 km (0.115 R)
• M11: 10,227,857 km (0.112 R)
• M12: 11,383,650 km (0.094 R)
• M13: 11,752,110 km (0.119 R)
• M14: 15,242,228 km (0.101 R)
• M15: 21,921,922 km (0.058 R)
• M16: 22,821,754 km (0.12 R)
• M17: 23,660,848 km (0.101 R)
• M18: 24,260,287 km (0.104 R)
• M19: 25,311,511 km (0.118 R)
• M20: 26,575,763 km (0.089 R)
• M21: 29,034,404 km (0.094 R)
• M22: 33,748,083 km (0.106 R)
• M23: 33,963,803 km (0.104 R)
• M24: 34,616,648 km (0.08 R)
• M25: 39,902,390 km (0.026 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 19,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit