🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.3

Radius: 12.7

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.68 AU - 0.84 AU

Year: 435 Days

Day: 5.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,730,342 km

• M1: 157,975 km (0.091 R)
• M2: 664,065 km (0.1 R)
• M3: 1,098,198 km (0.072 R)
• M4: 1,788,891 km (0.116 R)
• M5: 2,408,675 km (0.109 R)
• M6: 3,226,078 km (0.103 R)
• M7: 4,041,835 km (0.118 R)
• M8: 4,668,950 km (0.063 R)
• M9: 6,011,291 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.6

Radius: 8

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.93 AU - 2.05 AU

Year: 1842 Days

Day: 9.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,730,342 km

• M1: 99,483 km (0.028 R)
• M2: 363,822 km (0.079 R)
• M3: 685,757 km (0.117 R)
• M4: 1,082,939 km (0.097 R)
• M5: 1,990,400 km (0.053 R)
• M6: 3,442,097 km (0.119 R)
• M7: 3,784,228 km (0.064 R)
• M8: 5,580,898 km (0.066 R)
• M9: 6,218,035 km (0.092 R)
• M10: 6,852,181 km (0.094 R)
• M11: 7,368,742 km (0.031 R)
• M12: 7,636,672 km (0.101 R)
• M13: 9,922,976 km (0.113 R)
• M14: 10,516,730 km (0.103 R)
• M15: 10,788,250 km (0.118 R)
• M16: 11,739,095 km (0.041 R)
• M17: 13,014,716 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.6

Radius: 10.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.73 AU - 3.85 AU

Year: 3915 Days

Day: 14.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,730,342 km

• M1: 130,599 km (0.092 R)
• M2: 536,907 km (0.088 R)
• M3: 1,221,018 km (0.112 R)
• M4: 1,594,713 km (0.118 R)
• M5: 2,032,437 km (0.109 R)
• M6: 2,433,957 km (0.105 R)
• M7: 3,119,564 km (0.119 R)
• M8: 4,009,223 km (0.092 R)
• M9: 4,491,826 km (0.046 R)
• M10: 6,068,288 km (0.109 R)
• M11: 7,085,703 km (0.094 R)
• M12: 8,246,283 km (0.052 R)
• M13: 8,820,141 km (0.078 R)
• M14: 10,275,728 km (0.04 R)
• M15: 16,007,271 km (0.093 R)
• M16: 18,844,694 km (0.039 R)
• M17: 19,485,272 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.3

Radius: 9.6

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.29 AU - 3.63 AU

Year: 4222 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,730,342 km

• M1: 119,379 km (0.088 R)
• M2: 677,379 km (0.043 R)
• M3: 1,012,179 km (0.058 R)
• M4: 1,438,533 km (0.094 R)
• M5: 1,904,530 km (0.052 R)
• M6: 2,274,336 km (0.072 R)
• M7: 2,708,170 km (0.094 R)
• M8: 3,233,857 km (0.111 R)
• M9: 3,847,208 km (0.081 R)
• M10: 5,279,309 km (0.081 R)
• M11: 5,958,483 km (0.034 R)
• M12: 6,603,549 km (0.039 R)
• M13: 7,326,855 km (0.109 R)
• M14: 8,527,677 km (0.056 R)
• M15: 10,841,657 km (0.083 R)
• M16: 11,358,966 km (0.038 R)
• M17: 11,802,524 km (0.108 R)
• M18: 12,303,826 km (0.1 R)
• M19: 12,724,496 km (0.106 R)
• M20: 13,203,209 km (0.071 R)
• M21: 13,743,556 km (0.043 R)
• M22: 14,452,351 km (0.087 R)
• M23: 16,954,076 km (0.096 R)
• M24: 17,947,556 km (0.083 R)
• M25: 19,667,782 km (0.101 R)
• M26: 20,050,303 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.7

Radius: 7.9

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.81 AU - 7.77 AU

Year: 10349 Days

Day: 17.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,730,342 km

• M1: 98,884 km (0.088 R)
• M2: 388,206 km (0.107 R)
• M3: 664,514 km (0.106 R)
• M4: 1,035,666 km (0.089 R)
• M5: 1,324,091 km (0.111 R)
• M6: 1,652,009 km (0.096 R)
• M7: 2,202,529 km (0.092 R)
• M8: 2,588,193 km (0.067 R)
• M9: 2,953,960 km (0.067 R)
• M10: 3,216,803 km (0.119 R)
• M11: 3,789,763 km (0.06 R)
• M12: 4,953,784 km (0.096 R)
• M13: 5,263,003 km (0.038 R)
• M14: 6,779,626 km (0.118 R)
• M15: 7,436,959 km (0.102 R)
• M16: 7,801,828 km (0.056 R)
• M17: 8,436,422 km (0.113 R)
• M18: 12,756,659 km (0.099 R)
• M19: 13,221,161 km (0.082 R)
• M20: 16,383,809 km (0.067 R)
• M21: 17,707,451 km (0.102 R)
• M22: 19,403,293 km (0.071 R)
• M23: 21,447,548 km (0.117 R)
• M24: 22,021,555 km (0.11 R)
• M25: 22,859,303 km (0.101 R)
• M26: 25,591,409 km (0.079 R)
• M27: 30,444,663 km (0.038 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 14,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit