🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437

Radius: 13.2

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.49 AU - 0.69 AU

Year: 319 Days

Day: 11 Hours

Environment

Temp: -152 °C

Axial Tilt: 120.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,739,858 km

• M1: 164,258 km (0.054 R)
• M2: 610,060 km (0.084 R)
• M3: 1,108,670 km (0.106 R)
• M4: 2,025,106 km (0.047 R)
• M5: 2,714,902 km (0.106 R)
• M6: 3,643,606 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.6

Radius: 10.1

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.62 AU - 1.68 AU

Year: 1490 Days

Day: 9.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,739,858 km

• M1: 125,662 km (0.105 R)
• M2: 467,643 km (0.096 R)
• M3: 909,256 km (0.06 R)
• M4: 1,451,548 km (0.057 R)
• M5: 2,118,007 km (0.087 R)
• M6: 2,722,083 km (0.118 R)
• M7: 3,486,229 km (0.115 R)
• M8: 3,874,884 km (0.084 R)
• M9: 4,236,462 km (0.12 R)
• M10: 4,944,210 km (0.106 R)
• M11: 6,079,358 km (0.111 R)
• M12: 6,494,044 km (0.118 R)
• M13: 7,006,117 km (0.112 R)
• M14: 7,353,184 km (0.088 R)
• M15: 8,053,003 km (0.06 R)
• M16: 9,138,186 km (0.096 R)
• M17: 11,559,577 km (0.063 R)
• M18: 11,969,774 km (0.104 R)
• M19: 12,701,009 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.6

Radius: 14.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.68 AU - 2.52 AU

Year: 2139 Days

Day: 13.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,739,858 km

• M1: 181,612 km (0.108 R)
• M2: 698,323 km (0.08 R)
• M3: 1,265,448 km (0.11 R)
• M4: 1,949,111 km (0.117 R)
• M5: 2,826,652 km (0.12 R)
• M6: 3,297,137 km (0.108 R)
• M7: 3,820,430 km (0.115 R)
• M8: 4,399,225 km (0.085 R)
• M9: 5,128,963 km (0.095 R)
• M10: 5,609,771 km (0.102 R)
• M11: 6,496,886 km (0.069 R)
• M12: 6,974,552 km (0.092 R)
• M13: 8,288,919 km (0.119 R)
• M14: 9,160,476 km (0.044 R)
• M15: 13,048,375 km (0.089 R)
• M16: 15,281,422 km (0.118 R)
• M17: 16,385,904 km (0.112 R)
• M18: 17,759,062 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.9

Radius: 10.3

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.66 AU - 3.04 AU

Year: 3382 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,739,858 km

• M1: 129,402 km (0.082 R)
• M2: 451,486 km (0.1 R)
• M3: 800,797 km (0.063 R)
• M4: 1,452,446 km (0.107 R)
• M5: 2,584,752 km (0.103 R)
• M6: 3,298,633 km (0.086 R)
• M7: 3,921,708 km (0.077 R)
• M8: 4,766,188 km (0.119 R)
• M9: 5,644,926 km (0.107 R)
• M10: 5,979,876 km (0.083 R)
• M11: 7,323,115 km (0.054 R)
• M12: 7,996,156 km (0.029 R)
• M13: 9,582,791 km (0.111 R)
• M14: 10,101,147 km (0.102 R)
• M15: 12,179,511 km (0.075 R)
• M16: 15,106,243 km (0.05 R)
• M17: 15,809,054 km (0.104 R)
• M18: 16,646,952 km (0.094 R)
• M19: 18,108,822 km (0.087 R)
• M20: 20,361,766 km (0.087 R)
• M21: 20,754,610 km (0.1 R)
• M22: 21,623,175 km (0.107 R)
• M23: 21,963,660 km (0.117 R)
• M24: 24,155,119 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.4

Radius: 15

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.09 AU - 4.77 AU

Year: 5476 Days

Day: 13.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,739,858 km

• M1: 242,498 km (0.11 R)
• M2: 732,282 km (0.078 R)
• M3: 1,281,904 km (0.098 R)
• M4: 2,877,814 km (0.102 R)
• M5: 5,533,625 km (0.086 R)
• M6: 6,296,275 km (0.109 R)
• M7: 8,854,399 km (0.093 R)
• M8: 11,734,906 km (0.09 R)
• M9: 12,276,151 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.5

Radius: 10.6

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.97 AU - 4.39 AU

Year: 6007 Days

Day: 12.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,739,858 km

• M1: 132,843 km (0.05 R)
• M2: 480,060 km (0.074 R)
• M3: 1,077,853 km (0.073 R)
• M4: 1,730,548 km (0.083 R)
• M5: 2,667,330 km (0.058 R)
• M6: 3,536,045 km (0.112 R)
• M7: 6,914,862 km (0.075 R)
• M8: 7,934,521 km (0.1 R)
• M9: 10,129,870 km (0.083 R)
• M10: 11,392,327 km (0.03 R)
• M11: 24,726,434 km (0.092 R)
• M12: 25,067,966 km (0.029 R)
• M13: 25,412,789 km (0.114 R)
• M14: 28,847,556 km (0.106 R)
• M15: 32,990,818 km (0.12 R)
• M16: 35,419,989 km (0.1 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: 294 - 19,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit