🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 14.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.55 AU - 0.67 AU

Year: 335 Days

Day: 10.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,986,468 km

• M1: 181,612 km (0.045 R)
• M2: 694,882 km (0.097 R)
• M3: 1,196,933 km (0.089 R)
• M4: 1,734,438 km (0.055 R)
• M5: 2,228,410 km (0.101 R)
• M6: 3,626,103 km (0.091 R)
• M7: 4,143,861 km (0.088 R)
• M8: 5,013,773 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360

Radius: 14.8

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.15 AU - 1.81 AU

Year: 1266 Days

Day: 8.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,986,468 km

• M1: 184,305 km (0.064 R)
• M2: 713,133 km (0.084 R)
• M3: 1,323,343 km (0.09 R)
• M4: 2,179,043 km (0.104 R)
• M5: 3,113,132 km (0.075 R)
• M6: 4,317,694 km (0.103 R)
• M7: 5,382,083 km (0.111 R)
• M8: 5,976,585 km (0.066 R)
• M9: 6,996,692 km (0.096 R)
• M10: 8,308,815 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 8.7

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.19 AU - 1.83 AU

Year: 1304 Days

Day: 9.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,986,468 km

• M1: 108,159 km (0.1 R)
• M2: 384,915 km (0.03 R)
• M3: 730,486 km (0.082 R)
• M4: 1,007,542 km (0.075 R)
• M5: 1,320,650 km (0.111 R)
• M6: 1,642,734 km (0.062 R)
• M7: 1,993,392 km (0.119 R)
• M8: 3,333,789 km (0.111 R)
• M9: 4,240,501 km (0.11 R)
• M10: 4,802,690 km (0.11 R)
• M11: 5,194,038 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.7

Radius: 12.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.49 AU - 2.17 AU

Year: 1740 Days

Day: 9.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,986,468 km

• M1: 155,432 km (0.097 R)
• M2: 566,976 km (0.098 R)
• M3: 1,653,954 km (0.066 R)
• M4: 2,077,615 km (0.082 R)
• M5: 2,586,398 km (0.047 R)
• M6: 3,551,154 km (0.055 R)
• M7: 4,724,002 km (0.09 R)
• M8: 5,903,730 km (0.083 R)
• M9: 8,454,374 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.3

Radius: 10.3

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.91 AU - 3.17 AU

Year: 3726 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,986,468 km

• M1: 128,056 km (0.055 R)
• M2: 493,374 km (0.117 R)
• M3: 841,488 km (0.099 R)
• M4: 1,773,782 km (0.094 R)
• M5: 2,169,468 km (0.111 R)
• M6: 2,772,198 km (0.102 R)
• M7: 4,131,594 km (0.084 R)
• M8: 5,059,550 km (0.071 R)
• M9: 5,424,718 km (0.034 R)
• M10: 5,779,564 km (0.09 R)
• M11: 6,906,784 km (0.106 R)
• M12: 7,758,594 km (0.119 R)
• M13: 8,715,871 km (0.119 R)
• M14: 9,513,377 km (0.086 R)
• M15: 13,441,668 km (0.036 R)
• M16: 15,031,594 km (0.073 R)
• M17: 16,515,306 km (0.066 R)
• M18: 21,618,687 km (0.09 R)
• M19: 22,653,905 km (0.069 R)
• M20: 23,505,565 km (0.086 R)
• M21: 24,674,224 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.4

Radius: 9.5

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.76 AU - 3.62 AU

Year: 4005 Days

Day: 6.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,986,468 km

• M1: 118,930 km (0.048 R)
• M2: 433,235 km (0.034 R)
• M3: 792,420 km (0.111 R)
• M4: 1,190,500 km (0.095 R)
• M5: 2,252,495 km (0.103 R)
• M6: 2,873,326 km (0.099 R)
• M7: 3,425,342 km (0.066 R)
• M8: 3,768,670 km (0.065 R)
• M9: 4,989,538 km (0.075 R)
• M10: 5,986,308 km (0.082 R)
• M11: 6,577,519 km (0.093 R)
• M12: 9,109,164 km (0.073 R)
• M13: 9,534,171 km (0.082 R)
• M14: 10,507,605 km (0.112 R)
• M15: 12,135,978 km (0.06 R)
• M16: 14,078,656 km (0.068 R)
• M17: 15,720,492 km (0.072 R)
• M18: 16,502,291 km (0.073 R)
• M19: 20,805,174 km (0.09 R)
• M20: 21,340,286 km (0.096 R)
• M21: 22,507,598 km (0.119 R)
• M22: 23,500,330 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.8

Radius: 9.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.1 AU - 5.66 AU

Year: 7578 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,986,468 km

• M1: 119,529 km (0.112 R)
• M2: 512,971 km (0.032 R)
• M3: 826,827 km (0.113 R)
• M4: 1,572,124 km (0.102 R)
• M5: 2,120,999 km (0.057 R)
• M6: 2,713,705 km (0.119 R)
• M7: 3,543,974 km (0.039 R)
• M8: 4,950,792 km (0.051 R)
• M9: 5,316,559 km (0.081 R)
• M10: 7,872,738 km (0.115 R)
• M11: 9,472,238 km (0.082 R)
• M12: 10,466,615 km (0.117 R)
• M13: 13,677,434 km (0.057 R)
• M14: 16,505,731 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.1

Radius: 3.8

Gravity: 20.16 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.57 AU - 8.77 AU

Year: 17945 Days

Day: 19 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,986,468 km

• M1: 47,572 km (0.119 R)
• M2: 277,504 km (0.045 R)
• M3: 406,158 km (0.117 R)
• M4: 621,130 km (0.094 R)
• M5: 1,872,367 km (0.086 R)
• M6: 3,105,053 km (0.098 R)
• M7: 5,854,064 km (0.115 R)
• M8: 6,456,943 km (0.104 R)
• M9: 6,733,251 km (0.067 R)
• M10: 6,935,507 km (0.072 R)
• M11: 8,701,659 km (0.067 R)
• M12: 11,303,466 km (0.089 R)
• M13: 15,683,093 km (0.096 R)
• M14: 29,577,743 km (0.074 R)
• M15: 41,314,294 km (0.093 R)
• M16: 43,090,320 km (0.058 R)
• M17: 45,776,948 km (0.112 R)
• M18: 47,382,134 km (0.114 R)

Asteroid Belt

Center: 9.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.8

Radius: 5.8

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.45 AU - 10.25 AU

Year: 20097 Days

Day: 24.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,986,468 km

• M1: 76,145 km (0.087 R)
• M2: 264,788 km (0.066 R)
• M3: 1,416,692 km (0.043 R)
• M4: 2,081,954 km (0.05 R)
• M5: 2,936,756 km (0.116 R)
• M6: 3,416,067 km (0.116 R)
• M7: 3,688,635 km (0.099 R)
• M8: 6,337,564 km (0.064 R)
• M9: 8,479,955 km (0.069 R)
• M10: 9,134,147 km (0.07 R)
• M11: 11,478,046 km (0.067 R)
• M12: 15,115,518 km (0.087 R)
• M13: 17,550,523 km (0.049 R)
• M14: 17,791,525 km (0.107 R)
• M15: 18,362,091 km (0.094 R)
• M16: 23,862,057 km (0.087 R)
• M17: 28,892,286 km (0.117 R)
• M18: 45,057,383 km (0.062 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: 216 - 11,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit