🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.6

Radius: 13.8

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.13 AU - 1.19 AU

Year: 794 Days

Day: 7.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 103.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,460,240 km

• M1: 171,888 km (0.114 R)
• M2: 816,206 km (0.049 R)
• M3: 1,262,307 km (0.087 R)
• M4: 1,923,529 km (0.115 R)
• M5: 2,785,064 km (0.104 R)
• M6: 3,507,472 km (0.092 R)
• M7: 5,158,883 km (0.059 R)
• M8: 5,757,573 km (0.071 R)
• M9: 6,252,593 km (0.088 R)
• M10: 9,617,797 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.4

Radius: 11.1

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.64 AU - 1.74 AU

Year: 1397 Days

Day: 9.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,460,240 km

• M1: 138,079 km (0.058 R)
• M2: 555,756 km (0.109 R)
• M3: 1,371,962 km (0.092 R)
• M4: 1,787,695 km (0.094 R)
• M5: 2,494,395 km (0.115 R)
• M6: 2,845,800 km (0.102 R)
• M7: 3,353,685 km (0.061 R)
• M8: 3,811,155 km (0.119 R)
• M9: 4,177,820 km (0.089 R)
• M10: 5,457,031 km (0.085 R)
• M11: 6,696,001 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710

Radius: 8.8

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.35 AU - 2.03 AU

Year: 1397 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 91.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,460,240 km

• M1: 130,749 km (0.102 R)
• M2: 459,116 km (0.112 R)
• M3: 889,509 km (0.089 R)
• M4: 1,337,405 km (0.028 R)
• M5: 1,718,580 km (0.119 R)
• M6: 2,371,575 km (0.08 R)
• M7: 3,048,954 km (0.074 R)
• M8: 3,552,201 km (0.106 R)
• M9: 4,199,362 km (0.089 R)
• M10: 4,589,513 km (0.09 R)
• M11: 4,943,013 km (0.094 R)
• M12: 5,421,277 km (0.07 R)
• M13: 5,884,432 km (0.077 R)
• M14: 7,223,632 km (0.109 R)
• M15: 7,648,790 km (0.041 R)
• M16: 8,520,048 km (0.108 R)
• M17: 9,550,178 km (0.117 R)
• M18: 10,458,986 km (0.116 R)
• M19: 11,892,283 km (0.106 R)
• M20: 12,447,889 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.1

Radius: 12.1

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.67 AU - 1.75 AU

Year: 1422 Days

Day: 8 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,460,240 km

• M1: 150,645 km (0.07 R)
• M2: 646,412 km (0.078 R)
• M3: 1,098,048 km (0.075 R)
• M4: 1,545,795 km (0.056 R)
• M5: 2,434,705 km (0.11 R)
• M6: 3,326,757 km (0.096 R)
• M7: 3,809,211 km (0.103 R)
• M8: 5,068,226 km (0.112 R)
• M9: 5,835,963 km (0.04 R)
• M10: 6,450,211 km (0.094 R)
• M11: 7,106,946 km (0.115 R)
• M12: 7,937,962 km (0.062 R)
• M13: 9,260,856 km (0.106 R)
• M14: 10,190,158 km (0.094 R)
• M15: 10,629,826 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.2

Radius: 8.4

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.86 AU - 2.34 AU

Year: 1935 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,460,240 km

• M1: 105,018 km (0.118 R)
• M2: 933,790 km (0.074 R)
• M3: 1,910,664 km (0.096 R)
• M4: 2,260,424 km (0.12 R)
• M5: 2,873,177 km (0.116 R)
• M6: 3,202,591 km (0.106 R)
• M7: 5,132,105 km (0.059 R)
• M8: 5,763,707 km (0.119 R)
• M9: 9,585,633 km (0.11 R)
• M10: 10,324,497 km (0.075 R)
• M11: 11,796,839 km (0.085 R)
• M12: 14,015,077 km (0.041 R)
• M13: 16,399,068 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 9.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.04 AU - 3.84 AU

Year: 4057 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,460,240 km

• M1: 118,781 km (0.087 R)
• M2: 577,298 km (0.109 R)
• M3: 997,219 km (0.061 R)
• M4: 1,452,745 km (0.09 R)
• M5: 1,984,715 km (0.03 R)
• M6: 2,571,737 km (0.083 R)
• M7: 4,888,559 km (0.08 R)
• M8: 6,185,573 km (0.047 R)
• M9: 6,709,764 km (0.062 R)
• M10: 7,066,255 km (0.094 R)
• M11: 7,698,456 km (0.094 R)
• M12: 9,997,775 km (0.072 R)
• M13: 11,132,475 km (0.091 R)
• M14: 11,555,089 km (0.069 R)
• M15: 14,727,910 km (0.075 R)
• M16: 15,615,475 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.2

Radius: 4

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.71 AU - 7.09 AU

Year: 11524 Days

Day: 17.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,460,240 km

• M1: 66,122 km (0.081 R)
• M2: 253,718 km (0.105 R)
• M3: 707,299 km (0.07 R)
• M4: 1,275,621 km (0.055 R)
• M5: 2,320,562 km (0.069 R)
• M6: 2,646,985 km (0.032 R)
• M7: 2,941,842 km (0.117 R)
• M8: 5,279,608 km (0.11 R)
• M9: 5,556,514 km (0.088 R)
• M10: 6,619,556 km (0.097 R)
• M11: 6,833,032 km (0.069 R)
• M12: 7,348,995 km (0.111 R)
• M13: 9,628,568 km (0.112 R)
• M14: 13,214,279 km (0.067 R)
• M15: 15,706,430 km (0.066 R)
• M16: 17,195,527 km (0.096 R)
• M17: 23,024,459 km (0.067 R)
• M18: 24,011,356 km (0.085 R)
• M19: 30,141,129 km (0.034 R)
• M20: 30,825,688 km (0.114 R)
• M21: 31,721,181 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 15,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit