🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.3

Radius: 9.1

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.75 AU - 0.79 AU

Year: 458 Days

Day: 7.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,914,431 km

• M1: 115,490 km (0.101 R)
• M2: 453,132 km (0.051 R)
• M3: 840,291 km (0.117 R)
• M4: 1,230,592 km (0.094 R)
• M5: 1,535,024 km (0.114 R)
• M6: 2,109,928 km (0.044 R)
• M7: 2,472,554 km (0.102 R)
• M8: 2,811,542 km (0.027 R)
• M9: 3,158,161 km (0.093 R)
• M10: 3,558,634 km (0.032 R)
• M11: 4,159,120 km (0.07 R)
• M12: 4,491,227 km (0.098 R)
• M13: 4,825,579 km (0.117 R)
• M14: 6,202,627 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.2

Radius: 9

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.89 AU - 0.95 AU

Year: 599 Days

Day: 6.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,914,431 km

• M1: 112,049 km (0.118 R)
• M2: 442,511 km (0.118 R)
• M3: 958,025 km (0.075 R)
• M4: 1,507,498 km (0.064 R)
• M5: 1,875,209 km (0.116 R)
• M6: 2,526,858 km (0.102 R)
• M7: 3,209,174 km (0.047 R)
• M8: 3,523,179 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.9

Radius: 10.7

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.53 AU - 2.07 AU

Year: 1638 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,914,431 km

• M1: 133,292 km (0.09 R)
• M2: 468,690 km (0.039 R)
• M3: 1,075,758 km (0.095 R)
• M4: 1,479,673 km (0.077 R)
• M5: 1,910,664 km (0.098 R)
• M6: 2,500,379 km (0.064 R)
• M7: 2,859,563 km (0.109 R)
• M8: 3,192,867 km (0.098 R)
• M9: 4,097,336 km (0.094 R)
• M10: 5,019,158 km (0.071 R)
• M11: 5,398,688 km (0.09 R)
• M12: 6,003,961 km (0.065 R)
• M13: 7,244,127 km (0.064 R)
• M14: 8,208,734 km (0.084 R)
• M15: 8,707,194 km (0.08 R)
• M16: 9,101,983 km (0.053 R)
• M17: 11,837,231 km (0.101 R)
• M18: 12,627,407 km (0.118 R)
• M19: 13,133,795 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.6

Radius: 13.6

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.21 AU - 3.37 AU

Year: 3161 Days

Day: 6.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,914,431 km

• M1: 170,242 km (0.03 R)
• M2: 606,919 km (0.112 R)
• M3: 2,341,506 km (0.034 R)
• M4: 2,783,268 km (0.05 R)
• M5: 4,027,623 km (0.052 R)
• M6: 4,866,568 km (0.095 R)
• M7: 6,049,139 km (0.117 R)
• M8: 8,015,903 km (0.112 R)
• M9: 9,286,737 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.6

Radius: 13

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.34 AU - 3.66 AU

Year: 4441 Days

Day: 11 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,914,431 km

• M1: 161,715 km (0.093 R)
• M2: 582,684 km (0.12 R)
• M3: 1,497,325 km (0.113 R)
• M4: 2,684,534 km (0.055 R)
• M5: 3,509,267 km (0.086 R)
• M6: 4,496,613 km (0.118 R)
• M7: 5,352,761 km (0.093 R)
• M8: 6,131,568 km (0.095 R)
• M9: 7,286,314 km (0.085 R)
• M10: 8,505,237 km (0.11 R)
• M11: 9,404,021 km (0.047 R)
• M12: 9,981,469 km (0.068 R)
• M13: 10,538,721 km (0.079 R)
• M14: 11,071,589 km (0.114 R)
• M15: 11,715,907 km (0.074 R)
• M16: 12,239,649 km (0.073 R)
• M17: 13,333,957 km (0.089 R)
• M18: 16,413,430 km (0.106 R)
• M19: 17,681,571 km (0.091 R)
• M20: 18,562,553 km (0.102 R)
• M21: 19,340,910 km (0.095 R)
• M22: 22,454,790 km (0.072 R)
• M23: 23,413,264 km (0.11 R)
• M24: 24,245,477 km (0.066 R)
• M25: 24,707,584 km (0.097 R)
• M26: 25,254,215 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 11.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.05 AU - 4.55 AU

Year: 5024 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,914,431 km

• M1: 140,472 km (0.071 R)
• M2: 632,500 km (0.054 R)
• M3: 1,049,878 km (0.062 R)
• M4: 1,822,551 km (0.088 R)
• M5: 2,296,178 km (0.067 R)
• M6: 3,477,103 km (0.112 R)
• M7: 5,069,872 km (0.084 R)
• M8: 5,505,351 km (0.109 R)
• M9: 6,243,766 km (0.089 R)
• M10: 7,358,270 km (0.055 R)
• M11: 9,289,130 km (0.117 R)
• M12: 10,925,282 km (0.09 R)
• M13: 11,772,305 km (0.063 R)
• M14: 12,538,546 km (0.084 R)
• M15: 13,553,567 km (0.037 R)
• M16: 13,948,057 km (0.056 R)
• M17: 14,944,678 km (0.075 R)
• M18: 15,939,803 km (0.116 R)
• M19: 16,777,102 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.8

Radius: 11

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.29 AU - 5.17 AU

Year: 6977 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,914,431 km

• M1: 136,732 km (0.079 R)
• M2: 798,703 km (0.07 R)
• M3: 1,719,179 km (0.109 R)
• M4: 2,568,895 km (0.119 R)
• M5: 3,478,001 km (0.102 R)
• M6: 3,958,958 km (0.112 R)
• M7: 4,750,032 km (0.092 R)
• M8: 5,373,256 km (0.051 R)
• M9: 6,957,498 km (0.051 R)
• M10: 8,265,881 km (0.097 R)
• M11: 8,957,621 km (0.103 R)
• M12: 9,556,013 km (0.08 R)
• M13: 10,410,366 km (0.114 R)
• M14: 11,023,867 km (0.073 R)
• M15: 15,103,999 km (0.087 R)
• M16: 27,840,613 km (0.072 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 19,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit