🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.6

Radius: 8.4

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.69 AU - 0.79 AU

Year: 439 Days

Day: 11.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,844,200 km

• M1: 104,419 km (0.058 R)
• M2: 366,814 km (0.068 R)
• M3: 694,284 km (0.058 R)
• M4: 1,053,767 km (0.03 R)
• M5: 1,600,847 km (0.099 R)
• M6: 1,889,421 km (0.099 R)
• M7: 2,452,358 km (0.04 R)
• M8: 2,871,980 km (0.118 R)
• M9: 3,205,583 km (0.033 R)
• M10: 3,761,339 km (0.099 R)
• M11: 4,379,777 km (0.087 R)
• M12: 4,667,005 km (0.067 R)
• M13: 5,162,772 km (0.1 R)
• M14: 5,466,605 km (0.114 R)
• M15: 6,278,623 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.3

Radius: 13.2

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.01 AU - 1.03 AU

Year: 711 Days

Day: 6.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,844,200 km

• M1: 164,109 km (0.073 R)
• M2: 580,889 km (0.12 R)
• M3: 1,069,924 km (0.118 R)
• M4: 1,499,419 km (0.12 R)
• M5: 1,937,741 km (0.051 R)
• M6: 2,358,710 km (0.114 R)
• M7: 2,888,735 km (0.089 R)
• M8: 3,417,115 km (0.098 R)
• M9: 3,848,106 km (0.099 R)
• M10: 4,571,711 km (0.086 R)
• M11: 6,559,418 km (0.107 R)
• M12: 7,319,973 km (0.118 R)
• M13: 7,757,098 km (0.069 R)
• M14: 8,284,880 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.1

Radius: 11.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.61 AU - 1.85 AU

Year: 1571 Days

Day: 12.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,844,200 km

• M1: 147,952 km (0.099 R)
• M2: 559,346 km (0.099 R)
• M3: 994,975 km (0.03 R)
• M4: 1,908,270 km (0.1 R)
• M5: 2,665,684 km (0.075 R)
• M6: 3,377,172 km (0.094 R)
• M7: 3,982,295 km (0.09 R)
• M8: 4,412,539 km (0.115 R)
• M9: 5,303,993 km (0.071 R)
• M10: 8,183,452 km (0.097 R)
• M11: 10,136,153 km (0.112 R)
• M12: 11,611,488 km (0.104 R)
• M13: 12,269,868 km (0.099 R)
• M14: 12,953,081 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596

Radius: 10.2

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.92 AU - 2.04 AU

Year: 1923 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,844,200 km

• M1: 126,859 km (0.118 R)
• M2: 455,226 km (0.074 R)
• M3: 786,286 km (0.071 R)
• M4: 1,423,573 km (0.111 R)
• M5: 2,039,468 km (0.113 R)
• M6: 2,711,611 km (0.066 R)
• M7: 3,046,411 km (0.096 R)
• M8: 3,818,037 km (0.089 R)
• M9: 5,492,635 km (0.077 R)
• M10: 5,817,263 km (0.119 R)
• M11: 6,505,263 km (0.088 R)
• M12: 7,137,464 km (0.108 R)
• M13: 7,955,316 km (0.12 R)
• M14: 9,346,576 km (0.064 R)
• M15: 9,810,778 km (0.08 R)
• M16: 11,445,284 km (0.09 R)
• M17: 13,130,654 km (0.061 R)
• M18: 13,883,131 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 9.3

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.93 AU - 2.15 AU

Year: 2011 Days

Day: 14 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,844,200 km

• M1: 119,977 km (0.12 R)
• M2: 740,360 km (0.061 R)
• M3: 1,091,915 km (0.105 R)
• M4: 1,409,511 km (0.107 R)
• M5: 2,198,042 km (0.074 R)
• M6: 2,566,351 km (0.086 R)
• M7: 3,056,135 km (0.098 R)
• M8: 3,699,107 km (0.077 R)
• M9: 4,408,649 km (0.092 R)
• M10: 4,998,364 km (0.084 R)
• M11: 5,300,552 km (0.117 R)
• M12: 8,273,959 km (0.094 R)
• M13: 9,912,505 km (0.06 R)
• M14: 11,879,417 km (0.078 R)
• M15: 15,713,910 km (0.079 R)
• M16: 17,243,698 km (0.065 R)
• M17: 17,721,513 km (0.081 R)
• M18: 18,208,006 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.9

Radius: 8.5

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.87 AU - 2.59 AU

Year: 2299 Days

Day: 8.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 14,844,200 km

• M1: 109,506 km (0.093 R)
• M2: 405,709 km (0.114 R)
• M3: 808,277 km (0.07 R)
• M4: 1,082,490 km (0.074 R)
• M5: 1,448,706 km (0.111 R)
• M6: 1,726,958 km (0.088 R)
• M7: 2,016,430 km (0.038 R)
• M8: 2,620,955 km (0.07 R)
• M9: 3,464,088 km (0.111 R)
• M10: 4,541,343 km (0.025 R)
• M11: 4,961,114 km (0.051 R)
• M12: 6,059,013 km (0.106 R)
• M13: 6,458,738 km (0.081 R)
• M14: 8,045,373 km (0.069 R)
• M15: 9,482,710 km (0.095 R)
• M16: 11,480,440 km (0.094 R)
• M17: 12,944,255 km (0.096 R)
• M18: 13,384,372 km (0.083 R)
• M19: 14,481,523 km (0.095 R)
• M20: 15,052,089 km (0.101 R)
• M21: 15,391,826 km (0.097 R)
• M22: 15,885,947 km (0.101 R)
• M23: 16,441,554 km (0.12 R)
• M24: 17,010,175 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.9

Radius: 13.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.12 AU - 3.32 AU

Year: 3988 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,844,200 km

• M1: 174,880 km (0.112 R)
• M2: 649,105 km (0.088 R)
• M3: 1,518,718 km (0.097 R)
• M4: 2,006,706 km (0.102 R)
• M5: 2,508,906 km (0.116 R)
• M6: 3,170,727 km (0.108 R)
• M7: 4,390,847 km (0.062 R)
• M8: 5,974,640 km (0.108 R)
• M9: 6,715,448 km (0.114 R)
• M10: 7,242,781 km (0.12 R)
• M11: 8,962,109 km (0.118 R)
• M12: 10,975,547 km (0.048 R)
• M13: 14,279,416 km (0.085 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 16,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit