🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.8

Radius: 11.3

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.53 AU - 0.71 AU

Year: 331 Days

Day: 7.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,152,390 km

• M1: 140,472 km (0.099 R)
• M2: 680,072 km (0.119 R)
• M3: 1,100,292 km (0.028 R)
• M4: 1,499,719 km (0.119 R)
• M5: 2,037,224 km (0.098 R)
• M6: 2,433,808 km (0.065 R)
• M7: 2,934,213 km (0.108 R)
• M8: 3,305,215 km (0.07 R)
• M9: 3,670,982 km (0.051 R)
• M10: 4,583,828 km (0.08 R)
• M11: 5,132,553 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 13.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 6.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,152,390 km

• M1: 166,951 km (0.118 R)
• M2: 610,359 km (0.103 R)
• M3: 1,104,481 km (0.093 R)
• M4: 1,559,707 km (0.091 R)
• M5: 1,992,195 km (0.067 R)
• M6: 2,467,766 km (0.086 R)
• M7: 3,349,347 km (0.059 R)
• M8: 4,289,719 km (0.095 R)
• M9: 4,724,450 km (0.105 R)
• M10: 5,252,830 km (0.074 R)
• M11: 5,889,967 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.5

Radius: 9.3

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.66 AU - 0.82 AU

Year: 432 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,152,390 km

• M1: 116,686 km (0.061 R)
• M2: 530,773 km (0.119 R)
• M3: 1,138,739 km (0.114 R)
• M4: 1,551,928 km (0.106 R)
• M5: 1,962,126 km (0.113 R)
• M6: 2,303,358 km (0.101 R)
• M7: 2,920,749 km (0.057 R)
• M8: 3,413,524 km (0.112 R)
• M9: 4,255,760 km (0.111 R)
• M10: 4,662,666 km (0.079 R)
• M11: 4,977,570 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 14.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.77 AU - 0.81 AU

Year: 476 Days

Day: 11.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,152,390 km

• M1: 177,872 km (0.101 R)
• M2: 633,697 km (0.054 R)
• M3: 1,302,399 km (0.096 R)
• M4: 2,140,147 km (0.101 R)
• M5: 2,588,791 km (0.089 R)
• M6: 3,207,229 km (0.109 R)
• M7: 3,704,941 km (0.101 R)
• M8: 4,494,668 km (0.074 R)
• M9: 5,121,184 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.6

Radius: 13.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.45 AU - 2.51 AU

Year: 2649 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,152,390 km

• M1: 163,062 km (0.095 R)
• M2: 860,337 km (0.079 R)
• M3: 1,327,831 km (0.038 R)
• M4: 1,838,707 km (0.049 R)
• M5: 2,396,259 km (0.102 R)
• M6: 2,855,524 km (0.107 R)
• M7: 3,703,146 km (0.071 R)
• M8: 4,364,069 km (0.055 R)
• M9: 4,847,420 km (0.063 R)
• M10: 5,514,626 km (0.048 R)
• M11: 6,107,782 km (0.11 R)
• M12: 7,033,045 km (0.097 R)
• M13: 7,669,135 km (0.082 R)
• M14: 10,221,873 km (0.103 R)
• M15: 11,443,489 km (0.107 R)
• M16: 13,386,915 km (0.103 R)
• M17: 14,605,390 km (0.098 R)
• M18: 15,044,011 km (0.098 R)
• M19: 16,360,771 km (0.051 R)
• M20: 19,573,385 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.7

Radius: 10.4

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.64 AU - 4.06 AU

Year: 5124 Days

Day: 10.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,152,390 km

• M1: 129,552 km (0.073 R)
• M2: 673,938 km (0.032 R)
• M3: 1,910,066 km (0.098 R)
• M4: 7,494,704 km (0.07 R)
• M5: 9,702,020 km (0.045 R)
• M6: 10,457,490 km (0.103 R)
• M7: 10,912,417 km (0.032 R)
• M8: 11,995,804 km (0.079 R)
• M9: 13,292,668 km (0.093 R)
• M10: 14,375,308 km (0.071 R)
• M11: 16,217,606 km (0.026 R)
• M12: 17,338,393 km (0.112 R)
• M13: 18,330,975 km (0.055 R)
• M14: 20,686,094 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61

Radius: 12

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.29 AU - 6.47 AU

Year: 8464 Days

Day: 12.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,152,390 km

• M1: 149,448 km (0.051 R)
• M2: 647,011 km (0.099 R)
• M3: 1,175,540 km (0.1 R)
• M4: 1,660,088 km (0.066 R)
• M5: 2,072,230 km (0.057 R)
• M6: 5,538,412 km (0.114 R)
• M7: 6,098,058 km (0.115 R)
• M8: 6,611,627 km (0.067 R)
• M9: 8,295,202 km (0.051 R)
• M10: 8,926,655 km (0.098 R)
• M11: 13,366,121 km (0.041 R)
• M12: 16,186,190 km (0.098 R)
• M13: 18,925,327 km (0.031 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 15,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit