🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.7

Radius: 10.4

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.76 AU - 1.24 AU

Year: 667 Days

Day: 9.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,179,976 km

• M1: 129,851 km (0.096 R)
• M2: 465,549 km (0.045 R)
• M3: 1,042,548 km (0.118 R)
• M4: 1,392,307 km (0.039 R)
• M5: 1,937,891 km (0.096 R)
• M6: 2,689,919 km (0.036 R)
• M7: 5,027,685 km (0.117 R)
• M8: 5,579,701 km (0.116 R)
• M9: 6,804,908 km (0.119 R)
• M10: 7,160,053 km (0.108 R)
• M11: 7,621,413 km (0.077 R)
• M12: 8,004,683 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.7

Radius: 12.5

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.82 AU - 4.7 AU

Year: 4862 Days

Day: 8 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,179,976 km

• M1: 155,432 km (0.086 R)
• M2: 662,419 km (0.118 R)
• M3: 1,056,161 km (0.12 R)
• M4: 1,460,524 km (0.113 R)
• M5: 1,859,651 km (0.086 R)
• M6: 3,420,555 km (0.06 R)
• M7: 4,408,200 km (0.118 R)
• M8: 5,460,322 km (0.096 R)
• M9: 9,372,456 km (0.101 R)
• M10: 10,871,427 km (0.026 R)
• M11: 11,437,056 km (0.06 R)
• M12: 13,572,566 km (0.076 R)
• M13: 15,486,671 km (0.116 R)
• M14: 17,574,608 km (0.117 R)
• M15: 18,157,292 km (0.1 R)
• M16: 19,225,122 km (0.107 R)
• M17: 21,559,148 km (0.079 R)
• M18: 23,293,735 km (0.048 R)
• M19: 24,634,431 km (0.072 R)
• M20: 25,611,305 km (0.106 R)
• M21: 27,039,217 km (0.032 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.7

Radius: 7.5

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.8 AU - 10 AU

Year: 19219 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 151.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,179,976 km

• M1: 95,144 km (0.101 R)
• M2: 816,505 km (0.072 R)
• M3: 1,770,940 km (0.11 R)
• M4: 2,397,156 km (0.1 R)
• M5: 3,216,803 km (0.104 R)
• M6: 3,736,506 km (0.114 R)
• M7: 4,178,269 km (0.116 R)
• M8: 5,053,416 km (0.106 R)
• M9: 7,448,777 km (0.099 R)
• M10: 7,944,545 km (0.111 R)
• M11: 10,759,228 km (0.116 R)
• M12: 11,392,626 km (0.065 R)
• M13: 13,660,081 km (0.101 R)
• M14: 14,327,287 km (0.088 R)
• M15: 14,630,672 km (0.085 R)
• M16: 16,212,370 km (0.11 R)
• M17: 16,875,837 km (0.08 R)
• M18: 17,904,771 km (0.112 R)
• M19: 18,613,565 km (0.093 R)
• M20: 19,066,099 km (0.052 R)
• M21: 19,525,813 km (0.106 R)
• M22: 19,992,858 km (0.1 R)
• M23: 20,467,382 km (0.056 R)
• M24: 22,645,078 km (0.104 R)
• M25: 26,081,491 km (0.075 R)
• M26: 31,735,842 km (0.084 R)
• M27: 35,881,498 km (0.084 R)
• M28: 36,582,364 km (0.091 R)
• M29: 45,065,760 km (0.095 R)
• M30: 45,717,558 km (0.075 R)
• M31: 51,513,578 km (0.114 R)
• M32: 54,771,670 km (0.077 R)
• M33: 60,898,451 km (0.106 R)
• M34: 67,254,565 km (0.099 R)
• M35: 69,179,441 km (0.115 R)
• M36: 70,920,910 km (0.055 R)
• M37: 72,246,197 km (0.117 R)
• M38: 73,138,848 km (0.112 R)
• M39: 75,631,298 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 18,814 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit