🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.7

Radius: 10.4

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.85 AU - 1.01 AU

Year: 588 Days

Day: 14.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,969,560 km

• M1: 129,402 km (0.065 R)
• M2: 513,719 km (0.12 R)
• M3: 872,754 km (0.103 R)
• M4: 1,391,559 km (0.062 R)
• M5: 1,780,963 km (0.098 R)
• M6: 2,414,360 km (0.112 R)
• M7: 2,935,559 km (0.11 R)
• M8: 3,280,831 km (0.06 R)
• M9: 3,708,830 km (0.105 R)
• M10: 4,995,671 km (0.067 R)
• M11: 5,509,091 km (0.1 R)
• M12: 6,096,412 km (0.089 R)
• M13: 7,285,267 km (0.037 R)
• M14: 7,737,202 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 9.9

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.03 AU - 1.27 AU

Year: 809 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,969,560 km

• M1: 124,017 km (0.115 R)
• M2: 491,429 km (0.118 R)
• M3: 1,055,413 km (0.075 R)
• M4: 1,384,678 km (0.032 R)
• M5: 1,874,013 km (0.107 R)
• M6: 2,578,319 km (0.104 R)
• M7: 2,928,678 km (0.049 R)
• M8: 3,365,952 km (0.069 R)
• M9: 4,016,703 km (0.099 R)
• M10: 6,032,385 km (0.042 R)
• M11: 6,500,327 km (0.042 R)
• M12: 8,101,772 km (0.078 R)
• M13: 9,408,360 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.6

Radius: 13

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.31 AU - 1.35 AU

Year: 1006 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,969,560 km

• M1: 162,164 km (0.096 R)
• M2: 639,531 km (0.098 R)
• M3: 1,083,687 km (0.111 R)
• M4: 1,493,735 km (0.088 R)
• M5: 1,950,307 km (0.078 R)
• M6: 2,500,828 km (0.11 R)
• M7: 3,168,034 km (0.075 R)
• M8: 3,666,644 km (0.112 R)
• M9: 4,566,774 km (0.048 R)
• M10: 5,186,259 km (0.091 R)
• M11: 5,797,665 km (0.098 R)
• M12: 6,388,427 km (0.075 R)
• M13: 7,337,626 km (0.078 R)
• M14: 8,709,438 km (0.113 R)
• M15: 10,090,676 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.4

Radius: 15

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.19 AU - 3.31 AU

Year: 3844 Days

Day: 8.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 19,969,560 km

• M1: 187,147 km (0.034 R)
• M2: 806,781 km (0.111 R)
• M3: 1,528,142 km (0.089 R)
• M4: 2,347,041 km (0.119 R)
• M5: 3,347,103 km (0.107 R)
• M6: 4,034,056 km (0.062 R)
• M7: 4,567,522 km (0.08 R)
• M8: 5,069,573 km (0.071 R)
• M9: 5,553,073 km (0.068 R)
• M10: 6,156,252 km (0.04 R)
• M11: 7,192,815 km (0.068 R)
• M12: 9,372,456 km (0.108 R)
• M13: 12,009,717 km (0.063 R)
• M14: 14,567,541 km (0.119 R)
• M15: 15,439,996 km (0.067 R)
• M16: 15,945,936 km (0.09 R)
• M17: 17,050,417 km (0.097 R)
• M18: 17,835,208 km (0.097 R)
• M19: 19,089,287 km (0.099 R)
• M20: 20,267,669 km (0.09 R)
• M21: 23,870,135 km (0.104 R)
• M22: 24,547,515 km (0.088 R)
• M23: 25,940,720 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 8

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.18 AU - 3.66 AU

Year: 4149 Days

Day: 6 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 19,969,560 km

• M1: 103,821 km (0.112 R)
• M2: 419,772 km (0.089 R)
• M3: 669,750 km (0.096 R)
• M4: 1,016,218 km (0.119 R)
• M5: 1,301,501 km (0.087 R)
• M6: 1,558,959 km (0.074 R)
• M7: 2,037,972 km (0.119 R)
• M8: 2,297,375 km (0.097 R)
• M9: 2,762,325 km (0.098 R)
• M10: 3,288,760 km (0.116 R)
• M11: 4,281,790 km (0.12 R)
• M12: 4,860,136 km (0.09 R)
• M13: 5,353,958 km (0.083 R)
• M14: 6,054,375 km (0.07 R)
• M15: 7,843,117 km (0.089 R)
• M16: 9,436,933 km (0.11 R)
• M17: 10,499,078 km (0.089 R)
• M18: 12,570,559 km (0.106 R)
• M19: 18,045,692 km (0.104 R)
• M20: 19,419,150 km (0.088 R)
• M21: 20,328,705 km (0.094 R)
• M22: 24,700,404 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.2

Radius: 14.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.78 AU - 4.2 AU

Year: 5228 Days

Day: 7.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,969,560 km

• M1: 176,525 km (0.103 R)
• M2: 754,871 km (0.09 R)
• M3: 1,396,496 km (0.058 R)
• M4: 1,909,018 km (0.099 R)
• M5: 2,740,783 km (0.12 R)
• M6: 3,803,675 km (0.056 R)
• M7: 4,345,818 km (0.094 R)
• M8: 5,512,532 km (0.066 R)
• M9: 8,393,787 km (0.085 R)
• M10: 9,389,959 km (0.051 R)
• M11: 10,501,771 km (0.103 R)
• M12: 12,547,671 km (0.082 R)
• M13: 13,481,910 km (0.103 R)
• M14: 14,414,204 km (0.079 R)
• M15: 16,097,180 km (0.116 R)
• M16: 17,633,550 km (0.114 R)
• M17: 19,910,280 km (0.052 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 13,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit