🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.1

Radius: 9.8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.7 AU - 0.7 AU

Year: 412 Days

Day: 13.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,621,757 km

• M1: 121,922 km (0.085 R)
• M2: 446,101 km (0.03 R)
• M3: 782,098 km (0.107 R)
• M4: 1,140,983 km (0.094 R)
• M5: 1,689,259 km (0.046 R)
• M6: 2,146,580 km (0.093 R)
• M7: 2,997,941 km (0.086 R)
• M8: 3,346,654 km (0.102 R)
• M9: 3,901,512 km (0.055 R)
• M10: 4,855,348 km (0.107 R)
• M11: 5,242,807 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.4

Radius: 11.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.69 AU - 0.83 AU

Year: 466 Days

Day: 5.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,621,757 km

• M1: 148,251 km (0.119 R)
• M2: 562,787 km (0.108 R)
• M3: 990,488 km (0.103 R)
• M4: 2,204,923 km (0.106 R)
• M5: 2,818,424 km (0.108 R)
• M6: 3,434,019 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.4

Radius: 13.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.77 AU - 0.97 AU

Year: 570 Days

Day: 6.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,621,757 km

• M1: 167,400 km (0.081 R)
• M2: 649,255 km (0.105 R)
• M3: 1,087,128 km (0.094 R)
• M4: 2,290,194 km (0.037 R)
• M5: 2,994,800 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.8

Radius: 12.4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.94 AU - 1.34 AU

Year: 856 Days

Day: 11.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,621,757 km

• M1: 154,235 km (0.12 R)
• M2: 583,880 km (0.072 R)
• M3: 1,177,186 km (0.093 R)
• M4: 1,805,198 km (0.083 R)
• M5: 2,197,892 km (0.117 R)
• M6: 3,121,360 km (0.105 R)
• M7: 3,860,074 km (0.052 R)
• M8: 4,659,974 km (0.117 R)
• M9: 5,508,493 km (0.087 R)
• M10: 7,756,201 km (0.103 R)
• M11: 8,785,733 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.3

Radius: 8

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.53 AU - 2.43 AU

Year: 1958 Days

Day: 13.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,621,757 km

• M1: 99,483 km (0.109 R)
• M2: 377,286 km (0.093 R)
• M3: 802,593 km (0.109 R)
• M4: 1,282,503 km (0.097 R)
• M5: 1,704,069 km (0.096 R)
• M6: 2,026,453 km (0.036 R)
• M7: 3,063,465 km (0.115 R)
• M8: 8,124,511 km (0.091 R)
• M9: 8,542,786 km (0.084 R)
• M10: 9,705,162 km (0.093 R)
• M11: 12,214,816 km (0.051 R)
• M12: 12,850,158 km (0.114 R)
• M13: 13,686,260 km (0.098 R)
• M14: 14,048,886 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 12.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.28 AU - 2.94 AU

Year: 2964 Days

Day: 9.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,621,757 km

• M1: 155,731 km (0.07 R)
• M2: 663,766 km (0.081 R)
• M3: 1,069,475 km (0.105 R)
• M4: 1,580,202 km (0.097 R)
• M5: 2,571,737 km (0.061 R)
• M6: 2,974,454 km (0.098 R)
• M7: 3,404,848 km (0.119 R)
• M8: 4,154,482 km (0.105 R)
• M9: 4,622,873 km (0.063 R)
• M10: 5,441,922 km (0.12 R)
• M11: 6,047,344 km (0.098 R)
• M12: 7,003,424 km (0.041 R)
• M13: 8,057,790 km (0.078 R)
• M14: 9,477,175 km (0.116 R)
• M15: 10,046,544 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.5

Radius: 10.2

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.06 AU - 6.32 AU

Year: 8311 Days

Day: 10.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,621,757 km

• M1: 128,355 km (0.07 R)
• M2: 571,314 km (0.097 R)
• M3: 1,119,142 km (0.118 R)
• M4: 1,449,903 km (0.118 R)
• M5: 1,861,746 km (0.109 R)
• M6: 4,325,473 km (0.073 R)
• M7: 6,230,003 km (0.034 R)
• M8: 6,606,242 km (0.038 R)
• M9: 7,442,494 km (0.117 R)
• M10: 9,062,938 km (0.092 R)
• M11: 10,282,011 km (0.084 R)
• M12: 11,454,559 km (0.071 R)
• M13: 12,551,710 km (0.077 R)
• M14: 14,954,102 km (0.09 R)
• M15: 15,382,401 km (0.09 R)
• M16: 16,327,710 km (0.104 R)
• M17: 22,429,658 km (0.118 R)
• M18: 23,809,698 km (0.11 R)
• M19: 24,902,660 km (0.075 R)
• M20: 25,853,205 km (0.081 R)
• M21: 26,381,734 km (0.113 R)
• M22: 27,643,293 km (0.116 R)
• M23: 28,288,808 km (0.089 R)
• M24: 33,716,368 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 17,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit