🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61

Radius: 12.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.66 AU - 0.68 AU

Year: 379 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 20,786,024 km

• M1: 157,975 km (0.08 R)
• M2: 635,342 km (0.083 R)
• M3: 1,120,787 km (0.05 R)
• M4: 1,896,901 km (0.064 R)
• M5: 2,306,650 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.1

Radius: 9.8

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.69 AU - 0.73 AU

Year: 413 Days

Day: 11.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,786,024 km

• M1: 121,922 km (0.082 R)
• M2: 445,203 km (0.086 R)
• M3: 754,422 km (0.048 R)
• M4: 1,187,358 km (0.098 R)
• M5: 1,496,577 km (0.09 R)
• M6: 1,821,653 km (0.112 R)
• M7: 2,150,320 km (0.1 R)
• M8: 3,094,731 km (0.047 R)
• M9: 3,505,527 km (0.037 R)
• M10: 3,820,879 km (0.089 R)
• M11: 5,007,639 km (0.079 R)
• M12: 5,492,187 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.1

Radius: 8.5

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.69 AU - 0.77 AU

Year: 431 Days

Day: 9.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,786,024 km

• M1: 106,514 km (0.081 R)
• M2: 484,099 km (0.036 R)
• M3: 852,708 km (0.029 R)
• M4: 1,630,318 km (0.043 R)
• M5: 1,996,084 km (0.099 R)
• M6: 2,806,755 km (0.105 R)
• M7: 3,203,339 km (0.117 R)
• M8: 3,624,158 km (0.097 R)
• M9: 3,888,647 km (0.078 R)
• M10: 5,078,698 km (0.089 R)
• M11: 5,990,796 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493

Radius: 10.2

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.15 AU - 1.25 AU

Year: 907 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,786,024 km

• M1: 131,048 km (0.109 R)
• M2: 483,949 km (0.104 R)
• M3: 1,240,765 km (0.092 R)
• M4: 1,595,910 km (0.113 R)
• M5: 2,274,187 km (0.073 R)
• M6: 3,356,976 km (0.11 R)
• M7: 3,968,233 km (0.066 R)
• M8: 5,210,793 km (0.089 R)
• M9: 5,872,315 km (0.098 R)
• M10: 6,357,610 km (0.101 R)
• M11: 7,068,350 km (0.055 R)
• M12: 7,547,661 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.8

Radius: 15

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.18 AU - 1.74 AU

Year: 1218 Days

Day: 11.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,786,024 km

• M1: 186,549 km (0.104 R)
• M2: 698,622 km (0.063 R)
• M3: 1,353,861 km (0.094 R)
• M4: 2,099,905 km (0.034 R)
• M5: 2,644,292 km (0.104 R)
• M6: 4,160,915 km (0.068 R)
• M7: 5,210,943 km (0.091 R)
• M8: 5,712,395 km (0.098 R)
• M9: 6,764,517 km (0.062 R)
• M10: 7,969,378 km (0.071 R)
• M11: 8,609,208 km (0.081 R)
• M12: 9,772,481 km (0.073 R)
• M13: 12,264,931 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 11.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.2 AU - 2.22 AU

Year: 2268 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,786,024 km

• M1: 146,456 km (0.112 R)
• M2: 527,632 km (0.059 R)
• M3: 900,878 km (0.107 R)
• M4: 1,511,238 km (0.062 R)
• M5: 2,006,407 km (0.093 R)
• M6: 2,595,523 km (0.118 R)
• M7: 3,103,557 km (0.12 R)
• M8: 3,579,428 km (0.092 R)
• M9: 4,582,482 km (0.109 R)
• M10: 5,118,940 km (0.087 R)
• M11: 5,543,050 km (0.086 R)
• M12: 6,013,535 km (0.099 R)
• M13: 7,614,232 km (0.089 R)
• M14: 7,971,472 km (0.077 R)
• M15: 8,484,443 km (0.106 R)
• M16: 9,896,198 km (0.043 R)
• M17: 10,489,354 km (0.038 R)
• M18: 11,855,781 km (0.113 R)
• M19: 12,374,287 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.2

Radius: 11.1

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.99 AU - 2.87 AU

Year: 2615 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,786,024 km

• M1: 138,228 km (0.049 R)
• M2: 566,677 km (0.12 R)
• M3: 1,407,866 km (0.069 R)
• M4: 1,941,481 km (0.033 R)
• M5: 2,424,981 km (0.086 R)
• M6: 3,526,471 km (0.052 R)
• M7: 5,055,361 km (0.062 R)
• M8: 5,411,553 km (0.115 R)
• M9: 6,986,520 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.8

Radius: 12.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.62 AU - 3.14 AU

Year: 3374 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,786,024 km

• M1: 150,495 km (0.112 R)
• M2: 579,692 km (0.111 R)
• M3: 1,300,753 km (0.101 R)
• M4: 1,802,654 km (0.063 R)
• M5: 3,565,067 km (0.119 R)
• M6: 4,585,474 km (0.091 R)
• M7: 5,384,327 km (0.088 R)
• M8: 6,191,706 km (0.087 R)
• M9: 6,900,052 km (0.096 R)
• M10: 8,079,482 km (0.106 R)
• M11: 9,905,473 km (0.115 R)
• M12: 17,017,955 km (0.057 R)
• M13: 18,180,180 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 15,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit