🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 14.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.55 AU - 0.65 AU

Year: 327 Days

Day: 6.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,347,244 km

• M1: 185,501 km (0.111 R)
• M2: 659,727 km (0.06 R)
• M3: 1,147,715 km (0.115 R)
• M4: 1,869,973 km (0.114 R)
• M5: 2,447,272 km (0.112 R)
• M6: 3,212,913 km (0.118 R)
• M7: 3,820,430 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.7

Radius: 15

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.66 AU - 1.06 AU

Year: 561 Days

Day: 9.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 26,347,244 km

• M1: 186,549 km (0.088 R)
• M2: 729,888 km (0.075 R)
• M3: 2,380,850 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.6

Radius: 10.5

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.1 AU - 1.24 AU

Year: 890 Days

Day: 13.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,347,244 km

• M1: 131,945 km (0.093 R)
• M2: 524,490 km (0.068 R)
• M3: 2,146,131 km (0.107 R)
• M4: 2,494,694 km (0.112 R)
• M5: 3,119,864 km (0.034 R)
• M6: 3,463,490 km (0.091 R)
• M7: 4,019,396 km (0.102 R)
• M8: 4,506,337 km (0.035 R)
• M9: 4,930,596 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 13.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.36 AU - 1.5 AU

Year: 1202 Days

Day: 13.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 179.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,347,244 km

• M1: 169,794 km (0.042 R)
• M2: 686,205 km (0.105 R)
• M3: 1,196,035 km (0.083 R)
• M4: 1,898,098 km (0.112 R)
• M5: 2,573,083 km (0.1 R)
• M6: 3,051,797 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.8

Radius: 8.2

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.18 AU - 3.2 AU

Year: 3101 Days

Day: 11.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 26,347,244 km

• M1: 102,475 km (0.096 R)
• M2: 620,532 km (0.055 R)
• M3: 1,209,050 km (0.064 R)
• M4: 1,465,012 km (0.091 R)
• M5: 1,723,367 km (0.108 R)
• M6: 2,348,088 km (0.105 R)
• M7: 2,752,451 km (0.04 R)
• M8: 3,291,153 km (0.111 R)
• M9: 3,999,649 km (0.087 R)
• M10: 5,334,361 km (0.1 R)
• M11: 5,794,973 km (0.048 R)
• M12: 6,116,608 km (0.084 R)
• M13: 7,063,263 km (0.04 R)
• M14: 7,524,474 km (0.114 R)
• M15: 8,405,156 km (0.119 R)
• M16: 8,678,771 km (0.115 R)
• M17: 9,064,883 km (0.09 R)
• M18: 11,210,864 km (0.114 R)
• M19: 11,626,896 km (0.071 R)
• M20: 12,801,838 km (0.06 R)
• M21: 13,118,836 km (0.104 R)
• M22: 14,149,715 km (0.114 R)
• M23: 15,183,286 km (0.084 R)
• M24: 16,425,098 km (0.096 R)
• M25: 17,510,431 km (0.08 R)
• M26: 19,227,216 km (0.111 R)
• M27: 20,370,892 km (0.104 R)
• M28: 20,803,379 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 12

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.81 AU - 4.91 AU

Year: 7531 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,347,244 km

• M1: 150,645 km (0.114 R)
• M2: 579,991 km (0.101 R)
• M3: 1,828,535 km (0.091 R)
• M4: 2,692,762 km (0.089 R)
• M5: 3,553,697 km (0.077 R)
• M6: 4,741,804 km (0.116 R)
• M7: 5,670,507 km (0.042 R)
• M8: 11,126,790 km (0.087 R)
• M9: 11,733,859 km (0.079 R)
• M10: 20,846,014 km (0.076 R)
• M11: 22,277,816 km (0.105 R)
• M12: 27,806,803 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.7

Radius: 10.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.85 AU - 5.95 AU

Year: 7624 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 74.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,347,244 km

• M1: 126,859 km (0.113 R)
• M2: 1,280,259 km (0.026 R)
• M3: 1,611,468 km (0.099 R)
• M4: 2,041,861 km (0.107 R)
• M5: 2,532,094 km (0.09 R)
• M6: 2,954,708 km (0.047 R)
• M7: 4,209,983 km (0.118 R)
• M8: 4,682,413 km (0.078 R)
• M9: 6,872,227 km (0.104 R)
• M10: 7,630,838 km (0.078 R)
• M11: 8,554,605 km (0.103 R)
• M12: 9,995,382 km (0.112 R)
• M13: 11,277,286 km (0.034 R)
• M14: 12,004,332 km (0.097 R)
• M15: 13,703,315 km (0.078 R)
• M16: 15,723,335 km (0.109 R)
• M17: 21,353,750 km (0.076 R)
• M18: 21,835,604 km (0.12 R)
• M19: 22,964,320 km (0.044 R)
• M20: 26,190,249 km (0.096 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: 344 - 16,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit