🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 9.1

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.51 AU - 0.81 AU

Year: 364 Days

Day: 13.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,538,438 km

• M1: 114,742 km (0.087 R)
• M2: 518,955 km (0.103 R)
• M3: 992,582 km (0.069 R)
• M4: 1,360,742 km (0.029 R)
• M5: 1,760,617 km (0.084 R)
• M6: 2,186,373 km (0.099 R)
• M7: 2,829,644 km (0.081 R)
• M8: 3,617,875 km (0.112 R)
• M9: 3,915,275 km (0.079 R)
• M10: 4,967,248 km (0.112 R)
• M11: 5,382,980 km (0.115 R)

Asteroid Belt

Center: 0.92 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125

Radius: 12.1

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.92 AU - 1.44 AU

Year: 869 Days

Day: 6.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,538,438 km

• M1: 150,495 km (0.101 R)
• M2: 607,367 km (0.094 R)
• M3: 994,527 km (0.109 R)
• M4: 1,398,291 km (0.093 R)
• M5: 1,883,587 km (0.105 R)
• M6: 2,444,579 km (0.112 R)
• M7: 3,030,404 km (0.051 R)
• M8: 3,437,011 km (0.066 R)
• M9: 3,905,252 km (0.088 R)
• M10: 4,307,671 km (0.09 R)
• M11: 4,795,509 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.2

Radius: 14.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.84 AU - 2.1 AU

Year: 1875 Days

Day: 12.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,538,438 km

• M1: 211,531 km (0.114 R)
• M2: 744,997 km (0.096 R)
• M3: 1,378,245 km (0.05 R)
• M4: 1,946,867 km (0.09 R)
• M5: 3,386,597 km (0.109 R)
• M6: 3,871,294 km (0.086 R)
• M7: 6,711,708 km (0.051 R)
• M8: 8,973,927 km (0.09 R)
• M9: 10,190,009 km (0.09 R)
• M10: 10,838,067 km (0.093 R)
• M11: 14,057,114 km (0.115 R)
• M12: 16,268,768 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.9

Radius: 9.6

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.76 AU - 2.54 AU

Year: 2138 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,538,438 km

• M1: 119,678 km (0.114 R)
• M2: 629,657 km (0.053 R)
• M3: 1,354,758 km (0.044 R)
• M4: 1,841,550 km (0.092 R)
• M5: 2,211,954 km (0.07 R)
• M6: 2,759,333 km (0.08 R)
• M7: 3,136,020 km (0.101 R)
• M8: 3,974,815 km (0.104 R)
• M9: 4,456,969 km (0.11 R)
• M10: 5,968,207 km (0.076 R)
• M11: 6,549,395 km (0.041 R)
• M12: 7,030,053 km (0.115 R)
• M13: 7,649,388 km (0.095 R)
• M14: 9,557,808 km (0.095 R)
• M15: 13,006,488 km (0.115 R)
• M16: 14,114,260 km (0.094 R)
• M17: 14,781,317 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.6

Radius: 12.4

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.03 AU - 2.51 AU

Year: 2320 Days

Day: 9.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,538,438 km

• M1: 156,779 km (0.082 R)
• M2: 629,059 km (0.082 R)
• M3: 1,230,592 km (0.05 R)
• M4: 2,046,349 km (0.072 R)
• M5: 3,719,751 km (0.111 R)
• M6: 4,428,247 km (0.082 R)
• M7: 5,569,379 km (0.106 R)
• M8: 5,955,491 km (0.088 R)
• M9: 7,745,729 km (0.113 R)
• M10: 8,493,569 km (0.097 R)
• M11: 9,871,066 km (0.115 R)
• M12: 13,749,839 km (0.049 R)
• M13: 14,651,615 km (0.106 R)
• M14: 16,363,464 km (0.07 R)
• M15: 17,267,783 km (0.057 R)
• M16: 17,981,514 km (0.08 R)
• M17: 19,059,966 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.4

Radius: 6.1

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.85 AU - 6.05 AU

Year: 9844 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,538,438 km

• M1: 82,279 km (0.052 R)
• M2: 335,548 km (0.075 R)
• M3: 655,388 km (0.109 R)
• M4: 911,201 km (0.069 R)
• M5: 1,669,063 km (0.111 R)
• M6: 2,612,128 km (0.109 R)
• M7: 3,651,385 km (0.08 R)
• M8: 5,641,485 km (0.115 R)
• M9: 8,806,079 km (0.094 R)
• M10: 10,884,292 km (0.046 R)
• M11: 11,083,557 km (0.073 R)
• M12: 13,668,309 km (0.108 R)
• M13: 16,760,796 km (0.109 R)
• M14: 17,498,762 km (0.036 R)
• M15: 18,398,593 km (0.076 R)
• M16: 20,140,212 km (0.096 R)
• M17: 23,364,794 km (0.113 R)
• M18: 27,928,576 km (0.034 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 16,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit