🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 12.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.74 AU - 0.92 AU

Year: 522 Days

Day: 7.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,752,409 km

• M1: 153,039 km (0.103 R)
• M2: 722,408 km (0.109 R)
• M3: 1,228,797 km (0.03 R)
• M4: 1,890,169 km (0.113 R)
• M5: 2,345,395 km (0.117 R)
• M6: 2,810,196 km (0.115 R)
• M7: 3,242,534 km (0.118 R)
• M8: 3,744,883 km (0.111 R)
• M9: 4,242,596 km (0.098 R)
• M10: 4,693,334 km (0.101 R)
• M11: 5,404,971 km (0.058 R)
• M12: 5,795,721 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 9.4

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.8 AU - 0.94 AU

Year: 560 Days

Day: 8.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,752,409 km

• M1: 116,986 km (0.069 R)
• M2: 433,535 km (0.109 R)
• M3: 916,437 km (0.108 R)
• M4: 1,458,878 km (0.105 R)
• M5: 2,368,882 km (0.077 R)
• M6: 2,674,511 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.1

Radius: 12.5

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.12 AU - 1.6 AU

Year: 1095 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,752,409 km

• M1: 157,975 km (0.104 R)
• M2: 744,698 km (0.112 R)
• M3: 1,170,903 km (0.114 R)
• M4: 2,517,732 km (0.106 R)
• M5: 2,955,605 km (0.088 R)
• M6: 5,084,832 km (0.115 R)
• M7: 5,769,242 km (0.093 R)
• M8: 6,514,389 km (0.082 R)
• M9: 8,788,277 km (0.089 R)
• M10: 9,744,357 km (0.084 R)
• M11: 11,002,026 km (0.045 R)
• M12: 12,005,229 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 12.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.21 AU - 1.87 AU

Year: 1319 Days

Day: 9.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,752,409 km

• M1: 157,975 km (0.039 R)
• M2: 659,876 km (0.067 R)
• M3: 1,530,386 km (0.056 R)
• M4: 2,306,201 km (0.104 R)
• M5: 3,069,000 km (0.073 R)
• M6: 3,835,689 km (0.043 R)
• M7: 4,817,051 km (0.108 R)
• M8: 6,893,470 km (0.095 R)
• M9: 7,298,431 km (0.082 R)
• M10: 8,801,740 km (0.11 R)
• M11: 9,279,257 km (0.035 R)
• M12: 10,164,278 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.6

Radius: 12.6

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.9 AU - 2.02 AU

Year: 1894 Days

Day: 10.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,752,409 km

• M1: 156,928 km (0.115 R)
• M2: 554,559 km (0.068 R)
• M3: 1,210,396 km (0.117 R)
• M4: 1,662,032 km (0.103 R)
• M5: 3,210,670 km (0.086 R)
• M6: 3,695,516 km (0.089 R)
• M7: 5,203,762 km (0.116 R)
• M8: 5,756,376 km (0.057 R)
• M9: 6,817,923 km (0.099 R)
• M10: 7,976,110 km (0.088 R)
• M11: 8,431,186 km (0.051 R)
• M12: 9,327,278 km (0.117 R)
• M13: 9,970,698 km (0.106 R)
• M14: 11,047,055 km (0.104 R)
• M15: 12,080,477 km (0.055 R)
• M16: 13,771,681 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 11

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.55 AU - 4.01 AU

Year: 4100 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,752,409 km

• M1: 163,510 km (0.052 R)
• M2: 537,954 km (0.031 R)
• M3: 1,315,863 km (0.104 R)
• M4: 1,909,168 km (0.048 R)
• M5: 2,533,889 km (0.104 R)
• M6: 3,199,599 km (0.106 R)
• M7: 3,692,225 km (0.074 R)
• M8: 4,041,386 km (0.044 R)
• M9: 4,830,665 km (0.106 R)
• M10: 5,300,552 km (0.03 R)
• M11: 6,957,498 km (0.112 R)
• M12: 9,417,336 km (0.089 R)
• M13: 9,760,962 km (0.081 R)
• M14: 11,263,074 km (0.051 R)
• M15: 12,820,687 km (0.075 R)
• M16: 14,416,597 km (0.116 R)
• M17: 15,445,980 km (0.083 R)
• M18: 18,351,320 km (0.093 R)
• M19: 20,500,593 km (0.111 R)
• M20: 22,134,950 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248

Radius: 12.5

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.42 AU - 3.8 AU

Year: 4734 Days

Day: 12.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,752,409 km

• M1: 155,731 km (0.069 R)
• M2: 597,943 km (0.099 R)
• M3: 1,165,218 km (0.036 R)
• M4: 1,736,532 km (0.1 R)
• M5: 2,186,522 km (0.068 R)
• M6: 3,118,966 km (0.096 R)
• M7: 3,929,786 km (0.106 R)
• M8: 4,923,116 km (0.083 R)
• M9: 5,529,586 km (0.106 R)
• M10: 6,921,744 km (0.057 R)
• M11: 7,779,388 km (0.083 R)
• M12: 8,400,668 km (0.107 R)
• M13: 9,705,910 km (0.107 R)
• M14: 10,195,244 km (0.072 R)
• M15: 13,625,224 km (0.102 R)
• M16: 14,432,305 km (0.073 R)
• M17: 15,472,908 km (0.108 R)
• M18: 16,246,478 km (0.119 R)
• M19: 16,991,476 km (0.094 R)
• M20: 18,606,983 km (0.101 R)
• M21: 19,899,359 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 12,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit