🌌 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: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.9

Radius: 13.6

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.74 AU - 1.14 AU

Year: 598 Days

Day: 11.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,904,433 km

• M1: 169,195 km (0.044 R)
• M2: 604,525 km (0.042 R)
• M3: 1,044,941 km (0.082 R)
• M4: 1,489,247 km (0.081 R)
• M5: 1,966,763 km (0.117 R)
• M6: 2,682,888 km (0.092 R)
• M7: 3,378,668 km (0.107 R)
• M8: 4,425,554 km (0.117 R)
• M9: 4,994,624 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.5

Radius: 9.6

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.75 AU - 1.23 AU

Year: 646 Days

Day: 9.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 30,904,433 km

• M1: 119,379 km (0.113 R)
• M2: 485,295 km (0.065 R)
• M3: 893,099 km (0.112 R)
• M4: 2,892,176 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.5

Radius: 9.7

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.79 AU - 1.23 AU

Year: 666 Days

Day: 12.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,904,433 km

• M1: 120,576 km (0.099 R)
• M2: 453,431 km (0.108 R)
• M3: 958,174 km (0.057 R)
• M4: 1,383,182 km (0.048 R)
• M5: 1,950,457 km (0.1 R)
• M6: 2,508,307 km (0.069 R)
• M7: 3,169,380 km (0.118 R)
• M8: 3,734,412 km (0.118 R)
• M9: 5,509,540 km (0.073 R)
• M10: 5,898,943 km (0.104 R)
• M11: 6,348,485 km (0.101 R)
• M12: 8,030,713 km (0.072 R)
• M13: 8,404,857 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 9.7

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.73 AU - 1.75 AU

Year: 1506 Days

Day: 8.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,904,433 km

• M1: 121,025 km (0.046 R)
• M2: 511,475 km (0.077 R)
• M3: 1,256,772 km (0.078 R)
• M4: 1,790,088 km (0.099 R)
• M5: 2,430,517 km (0.045 R)
• M6: 2,846,698 km (0.094 R)
• M7: 3,341,717 km (0.112 R)
• M8: 4,762,149 km (0.04 R)
• M9: 7,550,953 km (0.091 R)
• M10: 8,501,497 km (0.082 R)
• M11: 8,928,151 km (0.087 R)
• M12: 9,368,866 km (0.096 R)
• M13: 14,015,376 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231

Radius: 15

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.61 AU - 2.49 AU

Year: 1925 Days

Day: 12 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,904,433 km

• M1: 186,549 km (0.097 R)
• M2: 709,692 km (0.052 R)
• M3: 1,203,365 km (0.119 R)
• M4: 1,918,593 km (0.104 R)
• M5: 2,433,060 km (0.039 R)
• M6: 3,149,185 km (0.119 R)
• M7: 4,085,069 km (0.081 R)
• M8: 4,782,794 km (0.051 R)
• M9: 7,168,281 km (0.067 R)
• M10: 7,794,348 km (0.027 R)
• M11: 9,985,658 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841

Radius: 8.8

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.51 AU - 3.79 AU

Year: 3668 Days

Day: 12.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,904,433 km

• M1: 112,348 km (0.103 R)
• M2: 513,719 km (0.055 R)
• M3: 904,768 km (0.112 R)
• M4: 1,425,219 km (0.101 R)
• M5: 1,723,367 km (0.06 R)
• M6: 2,035,877 km (0.068 R)
• M7: 2,527,755 km (0.073 R)
• M8: 3,023,822 km (0.092 R)
• M9: 3,522,431 km (0.081 R)
• M10: 4,586,372 km (0.086 R)
• M11: 5,114,153 km (0.114 R)
• M12: 6,141,890 km (0.118 R)
• M13: 6,720,385 km (0.083 R)
• M14: 7,741,540 km (0.115 R)
• M15: 8,021,288 km (0.092 R)
• M16: 11,424,939 km (0.065 R)
• M17: 14,338,507 km (0.096 R)
• M18: 14,921,789 km (0.072 R)
• M19: 16,363,165 km (0.082 R)
• M20: 16,883,167 km (0.116 R)
• M21: 20,303,124 km (0.107 R)
• M22: 21,038,547 km (0.105 R)
• M23: 24,682,302 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.1

Radius: 4.8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.91 AU - 7.61 AU

Year: 11530 Days

Day: 17.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 30,904,433 km

• M1: 59,839 km (0.086 R)
• M2: 216,618 km (0.065 R)
• M3: 541,694 km (0.07 R)
• M4: 909,256 km (0.115 R)
• M5: 1,405,023 km (0.082 R)
• M6: 1,699,282 km (0.118 R)
• M7: 2,063,553 km (0.05 R)
• M8: 2,687,227 km (0.087 R)
• M9: 5,163,520 km (0.054 R)
• M10: 5,505,650 km (0.1 R)
• M11: 5,711,946 km (0.109 R)
• M12: 6,109,128 km (0.117 R)
• M13: 7,626,350 km (0.102 R)
• M14: 7,920,160 km (0.106 R)
• M15: 8,887,161 km (0.088 R)
• M16: 9,801,054 km (0.061 R)
• M17: 12,762,494 km (0.067 R)
• M18: 13,176,730 km (0.096 R)
• M19: 13,653,349 km (0.082 R)
• M20: 15,793,047 km (0.088 R)
• M21: 18,146,371 km (0.108 R)
• M22: 18,669,964 km (0.075 R)
• M23: 20,723,195 km (0.083 R)
• M24: 21,658,032 km (0.069 R)
• M25: 22,246,999 km (0.102 R)
• M26: 23,766,165 km (0.064 R)
• M27: 25,434,331 km (0.048 R)
• M28: 25,678,774 km (0.082 R)
• M29: 27,178,941 km (0.051 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: 158 - 19,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit