🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.4

Radius: 11.6

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.52 AU - 0.78 AU

Year: 362 Days

Day: 5.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,975,784 km

• M1: 144,212 km (0.097 R)
• M2: 679,324 km (0.092 R)
• M3: 1,310,777 km (0.096 R)
• M4: 1,834,070 km (0.087 R)
• M5: 2,229,756 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.2

Radius: 11.7

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.58 AU - 0.92 AU

Year: 448 Days

Day: 12.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,975,784 km

• M1: 145,559 km (0.12 R)
• M2: 515,514 km (0.099 R)
• M3: 896,241 km (0.106 R)
• M4: 1,527,843 km (0.104 R)
• M5: 1,899,145 km (0.099 R)
• M6: 2,385,637 km (0.085 R)
• M7: 2,902,348 km (0.118 R)
• M8: 3,674,124 km (0.104 R)
• M9: 4,216,117 km (0.069 R)
• M10: 4,620,929 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 13.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.83 AU - 1.05 AU

Year: 629 Days

Day: 7.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,975,784 km

• M1: 170,392 km (0.085 R)
• M2: 671,246 km (0.097 R)
• M3: 1,175,241 km (0.052 R)
• M4: 1,649,167 km (0.112 R)
• M5: 2,262,518 km (0.088 R)
• M6: 2,848,493 km (0.031 R)
• M7: 4,663,265 km (0.071 R)
• M8: 5,276,018 km (0.112 R)
• M9: 5,713,891 km (0.041 R)
• M10: 6,477,737 km (0.066 R)
• M11: 6,938,050 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.8

Radius: 5.5

Gravity: 20.32 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.68 AU - 9.28 AU

Year: 17045 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,975,784 km

• M1: 68,366 km (0.098 R)
• M2: 257,159 km (0.119 R)
• M3: 446,400 km (0.071 R)
• M4: 809,175 km (0.076 R)
• M5: 1,049,579 km (0.109 R)
• M6: 1,530,685 km (0.073 R)
• M7: 1,726,210 km (0.045 R)
• M8: 2,207,915 km (0.079 R)
• M9: 2,658,803 km (0.105 R)
• M10: 3,247,022 km (0.053 R)
• M11: 3,488,622 km (0.118 R)
• M12: 4,099,430 km (0.085 R)
• M13: 5,199,573 km (0.053 R)
• M14: 5,568,631 km (0.075 R)
• M15: 6,525,459 km (0.117 R)
• M16: 6,911,122 km (0.064 R)
• M17: 7,357,223 km (0.072 R)
• M18: 8,110,748 km (0.106 R)
• M19: 10,048,040 km (0.101 R)
• M20: 10,678,745 km (0.061 R)
• M21: 12,861,378 km (0.081 R)
• M22: 14,304,399 km (0.114 R)
• M23: 19,102,751 km (0.119 R)
• M24: 21,067,270 km (0.077 R)
• M25: 22,869,026 km (0.079 R)
• M26: 23,657,407 km (0.059 R)
• M27: 24,565,915 km (0.079 R)
• M28: 27,430,565 km (0.105 R)
• M29: 28,772,308 km (0.085 R)
• M30: 33,184,248 km (0.108 R)
• M31: 34,321,641 km (0.085 R)
• M32: 38,853,559 km (0.108 R)
• M33: 46,374,592 km (0.102 R)
• M34: 49,244,777 km (0.112 R)
• M35: 50,062,479 km (0.058 R)
• M36: 59,479,216 km (0.101 R)
• M37: 60,034,374 km (0.098 R)
• M38: 60,780,119 km (0.116 R)
• M39: 64,601,447 km (0.03 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: 457 - 16,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit