🌌 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: 399.2

Radius: 8.2

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.52 AU - 0.82 AU

Year: 372 Days

Day: 11.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,920,290 km

• M1: 102,026 km (0.106 R)
• M2: 364,570 km (0.044 R)
• M3: 633,996 km (0.117 R)
• M4: 1,010,982 km (0.079 R)
• M5: 1,349,672 km (0.101 R)
• M6: 1,861,297 km (0.044 R)
• M7: 2,410,171 km (0.097 R)
• M8: 2,884,546 km (0.097 R)
• M9: 3,206,331 km (0.052 R)
• M10: 3,676,816 km (0.113 R)
• M11: 4,117,681 km (0.118 R)
• M12: 4,383,367 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.5

Radius: 9.8

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.43 AU - 1.93 AU

Year: 1477 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,920,290 km

• M1: 121,922 km (0.085 R)
• M2: 505,641 km (0.097 R)
• M3: 926,609 km (0.049 R)
• M4: 1,304,793 km (0.058 R)
• M5: 1,666,670 km (0.032 R)
• M6: 2,269,250 km (0.085 R)
• M7: 2,709,517 km (0.116 R)
• M8: 3,052,245 km (0.106 R)
• M9: 3,394,525 km (0.1 R)
• M10: 4,259,650 km (0.032 R)
• M11: 5,633,407 km (0.101 R)
• M12: 6,262,915 km (0.066 R)
• M13: 7,381,907 km (0.114 R)
• M14: 7,844,164 km (0.108 R)
• M15: 9,084,480 km (0.096 R)
• M16: 9,466,104 km (0.101 R)
• M17: 10,514,786 km (0.108 R)
• M18: 11,100,461 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.8

Radius: 13

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.63 AU - 1.95 AU

Year: 1624 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,920,290 km

• M1: 161,715 km (0.083 R)
• M2: 770,429 km (0.078 R)
• M3: 1,508,246 km (0.106 R)
• M4: 2,028,996 km (0.101 R)
• M5: 2,600,609 km (0.119 R)
• M6: 3,215,157 km (0.086 R)
• M7: 3,853,192 km (0.093 R)
• M8: 4,415,381 km (0.096 R)
• M9: 4,925,360 km (0.095 R)
• M10: 5,497,273 km (0.112 R)
• M11: 6,337,115 km (0.091 R)
• M12: 8,733,224 km (0.093 R)
• M13: 9,276,863 km (0.119 R)
• M14: 10,221,424 km (0.108 R)
• M15: 10,789,298 km (0.091 R)
• M16: 11,340,865 km (0.081 R)
• M17: 14,385,930 km (0.11 R)
• M18: 15,373,874 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.5

Radius: 9.2

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.73 AU - 5.51 AU

Year: 7858 Days

Day: 7 Hours

Environment

Temp: -229 °C

Axial Tilt: 177.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,920,290 km

• M1: 114,891 km (0.116 R)
• M2: 522,246 km (0.079 R)
• M3: 902,075 km (0.117 R)
• M4: 1,624,932 km (0.067 R)
• M5: 2,653,567 km (0.064 R)
• M6: 3,196,009 km (0.064 R)
• M7: 6,168,070 km (0.054 R)
• M8: 7,591,643 km (0.11 R)
• M9: 13,633,452 km (0.09 R)
• M10: 15,113,723 km (0.12 R)
• M11: 17,180,567 km (0.047 R)
• M12: 18,905,132 km (0.094 R)
• M13: 19,886,045 km (0.089 R)
• M14: 21,949,000 km (0.056 R)
• M15: 24,856,584 km (0.076 R)
• M16: 26,217,476 km (0.055 R)
• M17: 27,151,864 km (0.082 R)
• M18: 28,399,510 km (0.108 R)
• M19: 31,008,946 km (0.119 R)
• M20: 34,879,940 km (0.09 R)
• M21: 39,061,500 km (0.059 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 18,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit