🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.9

Radius: 12.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.61 AU - 0.75 AU

Year: 368 Days

Day: 8.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,057,702 km

• M1: 159,322 km (0.112 R)
• M2: 642,972 km (0.032 R)
• M3: 1,262,307 km (0.087 R)
• M4: 1,724,115 km (0.105 R)
• M5: 2,125,636 km (0.083 R)
• M6: 2,661,346 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.7

Radius: 12.9

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.21 AU - 2.51 AU

Year: 2378 Days

Day: 12.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,057,702 km

• M1: 160,818 km (0.086 R)
• M2: 800,199 km (0.1 R)
• M3: 1,709,754 km (0.098 R)
• M4: 2,293,635 km (0.092 R)
• M5: 3,439,554 km (0.111 R)
• M6: 4,918,778 km (0.108 R)
• M7: 5,791,532 km (0.065 R)
• M8: 6,678,049 km (0.055 R)
• M9: 8,212,325 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 9.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.03 AU - 3.33 AU

Year: 2878 Days

Day: 10 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,057,702 km

• M1: 121,922 km (0.111 R)
• M2: 482,453 km (0.061 R)
• M3: 901,178 km (0.07 R)
• M4: 1,254,079 km (0.093 R)
• M5: 1,659,190 km (0.114 R)
• M6: 3,530,360 km (0.117 R)
• M7: 3,869,199 km (0.067 R)
• M8: 4,328,315 km (0.085 R)
• M9: 5,878,448 km (0.09 R)
• M10: 6,725,322 km (0.116 R)
• M11: 9,080,890 km (0.074 R)
• M12: 9,824,391 km (0.081 R)
• M13: 10,644,337 km (0.087 R)
• M14: 12,707,142 km (0.078 R)
• M15: 14,385,930 km (0.047 R)
• M16: 14,793,434 km (0.117 R)
• M17: 15,489,812 km (0.102 R)
• M18: 16,402,958 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.2

Radius: 14.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.71 AU - 3.53 AU

Year: 3615 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,057,702 km

• M1: 182,659 km (0.116 R)
• M2: 657,632 km (0.102 R)
• M3: 1,286,542 km (0.069 R)
• M4: 1,944,174 km (0.096 R)
• M5: 2,422,588 km (0.032 R)
• M6: 2,884,247 km (0.101 R)
• M7: 4,553,011 km (0.108 R)
• M8: 5,737,228 km (0.084 R)
• M9: 6,457,542 km (0.09 R)
• M10: 7,000,133 km (0.076 R)
• M11: 7,604,060 km (0.12 R)
• M12: 8,308,516 km (0.098 R)
• M13: 9,811,376 km (0.102 R)
• M14: 10,530,493 km (0.11 R)
• M15: 11,082,659 km (0.051 R)
• M16: 11,820,925 km (0.105 R)
• M17: 13,718,125 km (0.063 R)
• M18: 15,306,256 km (0.065 R)
• M19: 17,665,564 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 11.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.65 AU - 4.35 AU

Year: 4295 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,057,702 km

• M1: 146,756 km (0.102 R)
• M2: 554,410 km (0.104 R)
• M3: 960,867 km (0.066 R)
• M4: 1,440,328 km (0.099 R)
• M5: 2,291,091 km (0.077 R)
• M6: 2,718,193 km (0.086 R)
• M7: 3,117,171 km (0.071 R)
• M8: 4,132,043 km (0.086 R)
• M9: 4,791,769 km (0.119 R)
• M10: 5,262,105 km (0.032 R)
• M11: 5,886,975 km (0.11 R)
• M12: 6,507,208 km (0.074 R)
• M13: 8,344,120 km (0.087 R)
• M14: 9,262,801 km (0.116 R)
• M15: 10,467,513 km (0.04 R)
• M16: 14,022,856 km (0.072 R)
• M17: 14,988,659 km (0.056 R)
• M18: 15,511,953 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.8

Radius: 12.9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.15 AU - 4.05 AU

Year: 4481 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,057,702 km

• M1: 160,369 km (0.088 R)
• M2: 604,076 km (0.118 R)
• M3: 1,342,192 km (0.036 R)
• M4: 2,419,895 km (0.104 R)
• M5: 4,604,473 km (0.117 R)
• M6: 6,144,733 km (0.03 R)
• M7: 6,612,974 km (0.065 R)
• M8: 9,762,308 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 8.1

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.03 AU - 4.47 AU

Year: 5748 Days

Day: 8.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 155.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,057,702 km

• M1: 100,979 km (0.099 R)
• M2: 750,981 km (0.035 R)
• M3: 1,554,771 km (0.055 R)
• M4: 2,695,155 km (0.088 R)
• M5: 3,231,613 km (0.085 R)
• M6: 3,590,947 km (0.11 R)
• M7: 5,021,851 km (0.115 R)
• M8: 7,212,562 km (0.086 R)
• M9: 7,643,554 km (0.11 R)
• M10: 8,283,234 km (0.116 R)
• M11: 15,091,732 km (0.094 R)
• M12: 16,036,892 km (0.082 R)
• M13: 16,647,401 km (0.032 R)
• M14: 22,934,550 km (0.059 R)
• M15: 23,787,857 km (0.085 R)
• M16: 24,581,773 km (0.104 R)
• M17: 25,640,028 km (0.072 R)
• M18: 26,559,008 km (0.1 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 18,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit