🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.41 AU - 0.67 AU

Year: 260 Days

Day: 34.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 14.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.59 AU - 0.95 AU

Year: 443 Days

Day: 8 Hours

Environment

Temp: -135 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 6,993,311 km

• M1: 183,557 km (0.071 R)
• M2: 276,158 km (0.092 R)
• M3: 370,853 km (0.087 R)
• M4: 484,398 km (0.104 R)
• M5: 633,547 km (0.081 R)
• M6: 734,226 km (0.114 R)
• M7: 876,494 km (0.086 R)
• M8: 991,684 km (0.058 R)
• M9: 1,084,285 km (0.113 R)
• M10: 1,194,838 km (0.119 R)
• M11: 1,358,797 km (0.088 R)
• M12: 1,562,699 km (0.116 R)
• M13: 1,836,763 km (0.118 R)
• M14: 1,970,952 km (0.118 R)
• M15: 2,068,340 km (0.108 R)
• M16: 2,172,011 km (0.104 R)
• M17: 2,286,603 km (0.104 R)
• M18: 2,441,288 km (0.099 R)
• M19: 2,594,625 km (0.113 R)
• M20: 2,692,163 km (0.1 R)
• M21: 2,795,984 km (0.071 R)
• M22: 2,936,606 km (0.114 R)
• M23: 3,064,064 km (0.083 R)
• M24: 3,162,349 km (0.073 R)
• M25: 3,324,962 km (0.103 R)
• M26: 3,484,882 km (0.078 R)
• M27: 3,785,125 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919

Radius: 13.9

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.91 AU - 1.15 AU

Year: 686 Days

Day: 13.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 6,993,311 km

• M1: 174,282 km (0.092 R)
• M2: 270,024 km (0.082 R)
• M3: 358,436 km (0.09 R)
• M4: 455,825 km (0.094 R)
• M5: 542,891 km (0.089 R)
• M6: 677,379 km (0.06 R)
• M7: 869,463 km (0.11 R)
• M8: 1,014,573 km (0.051 R)
• M9: 1,118,244 km (0.097 R)
• M10: 1,206,656 km (0.081 R)
• M11: 1,445,714 km (0.112 R)
• M12: 1,536,071 km (0.079 R)
• M13: 1,664,426 km (0.109 R)
• M14: 1,864,289 km (0.094 R)
• M15: 2,001,919 km (0.107 R)
• M16: 2,103,645 km (0.114 R)
• M17: 2,279,722 km (0.056 R)
• M18: 2,528,204 km (0.108 R)
• M19: 2,750,806 km (0.111 R)
• M20: 2,908,781 km (0.11 R)
• M21: 3,096,975 km (0.088 R)
• M22: 3,345,008 km (0.049 R)
• M23: 3,686,092 km (0.092 R)
• M24: 3,831,650 km (0.042 R)
• M25: 3,929,637 km (0.069 R)
• M26: 4,088,360 km (0.103 R)
• M27: 4,188,740 km (0.111 R)
• M28: 4,330,559 km (0.066 R)
• M29: 4,504,990 km (0.1 R)
• M30: 4,660,871 km (0.066 R)
• M31: 4,755,268 km (0.118 R)
• M32: 4,988,790 km (0.095 R)
• M33: 5,106,972 km (0.097 R)
• M34: 5,204,360 km (0.081 R)
• M35: 5,302,497 km (0.096 R)
• M36: 5,390,161 km (0.083 R)
• M37: 5,600,346 km (0.1 R)
• M38: 5,723,315 km (0.052 R)
• M39: 5,881,141 km (0.113 R)
• M40: 6,040,463 km (0.107 R)
• M41: 6,132,166 km (0.062 R)
• M42: 6,316,920 km (0.118 R)
• M43: 6,515,286 km (0.09 R)
• M44: 6,703,929 km (0.065 R)
• M45: 6,978,292 km (0.059 R)
• M46: 7,134,921 km (0.112 R)
• M47: 7,268,512 km (0.098 R)
• M48: 7,451,919 km (0.083 R)
• M49: 8,061,979 km (0.095 R)
• M50: 8,226,537 km (0.038 R)
• M51: 8,571,958 km (0.091 R)
• M52: 8,662,315 km (0.12 R)
• M53: 8,791,867 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 15

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.04 AU - 1.16 AU

Year: 757 Days

Day: 11.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 6,993,311 km

• M1: 187,147 km (0.093 R)
• M2: 284,086 km (0.093 R)
• M3: 395,387 km (0.082 R)
• M4: 490,980 km (0.042 R)
• M5: 601,982 km (0.039 R)
• M6: 750,233 km (0.042 R)
• M7: 942,317 km (0.112 R)
• M8: 1,042,548 km (0.101 R)
• M9: 1,189,602 km (0.111 R)
• M10: 1,327,382 km (0.105 R)
• M11: 1,530,087 km (0.032 R)
• M12: 1,669,063 km (0.111 R)
• M13: 1,947,465 km (0.103 R)
• M14: 2,112,472 km (0.093 R)
• M15: 2,234,394 km (0.118 R)
• M16: 2,429,021 km (0.119 R)
• M17: 2,549,896 km (0.088 R)
• M18: 2,658,354 km (0.115 R)
• M19: 2,768,458 km (0.092 R)
• M20: 3,077,378 km (0.1 R)
• M21: 3,200,946 km (0.117 R)
• M22: 3,302,672 km (0.079 R)
• M23: 3,405,596 km (0.054 R)
• M24: 3,582,121 km (0.115 R)
• M25: 3,745,332 km (0.111 R)
• M26: 3,852,893 km (0.097 R)
• M27: 3,952,974 km (0.115 R)
• M28: 4,198,614 km (0.079 R)
• M29: 4,484,495 km (0.101 R)
• M30: 4,830,515 km (0.082 R)
• M31: 4,993,278 km (0.089 R)
• M32: 5,139,435 km (0.084 R)
• M33: 5,408,113 km (0.107 R)
• M34: 5,567,883 km (0.095 R)
• M35: 5,729,150 km (0.048 R)
• M36: 5,834,317 km (0.115 R)
• M37: 5,969,254 km (0.028 R)
• M38: 6,124,686 km (0.09 R)
• M39: 6,232,247 km (0.115 R)
• M40: 6,449,463 km (0.086 R)
• M41: 6,599,061 km (0.109 R)
• M42: 6,901,698 km (0.082 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 13,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit