🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.51 AU - 0.83 AU

Year: 360 Days

Day: 35.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768

Radius: 12.2

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.03 AU - 1.09 AU

Year: 716 Days

Day: 5.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,106,186 km

• M1: 151,692 km (0.081 R)
• M2: 555,158 km (0.114 R)
• M3: 967,300 km (0.035 R)
• M4: 1,365,230 km (0.109 R)
• M5: 1,840,203 km (0.095 R)
• M6: 2,457,145 km (0.09 R)
• M7: 3,007,516 km (0.114 R)
• M8: 3,527,967 km (0.108 R)
• M9: 4,231,525 km (0.077 R)
• M10: 4,683,760 km (0.059 R)
• M11: 5,610,219 km (0.112 R)
• M12: 7,825,315 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.7

Radius: 12.2

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.16 AU - 2.62 AU

Year: 2424 Days

Day: 14.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,106,186 km

• M1: 151,842 km (0.098 R)
• M2: 627,862 km (0.055 R)
• M3: 1,125,275 km (0.114 R)
• M4: 1,513,781 km (0.073 R)
• M5: 2,184,877 km (0.085 R)
• M6: 2,650,276 km (0.111 R)
• M7: 3,147,689 km (0.101 R)
• M8: 3,940,857 km (0.056 R)
• M9: 5,265,097 km (0.059 R)
• M10: 6,191,257 km (0.103 R)
• M11: 6,636,311 km (0.091 R)
• M12: 7,653,876 km (0.068 R)
• M13: 8,980,809 km (0.08 R)
• M14: 9,552,422 km (0.071 R)
• M15: 10,072,574 km (0.075 R)
• M16: 11,129,034 km (0.115 R)
• M17: 15,187,625 km (0.112 R)
• M18: 16,628,551 km (0.087 R)
• M19: 18,555,372 km (0.104 R)
• M20: 19,543,167 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.2

Radius: 10.4

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.41 AU - 2.61 AU

Year: 2609 Days

Day: 13.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,106,186 km

• M1: 129,402 km (0.081 R)
• M2: 508,034 km (0.111 R)
• M3: 943,514 km (0.085 R)
• M4: 1,320,201 km (0.046 R)
• M5: 2,507,410 km (0.109 R)
• M6: 3,229,668 km (0.068 R)
• M7: 4,521,147 km (0.101 R)
• M8: 5,109,665 km (0.096 R)
• M9: 5,512,532 km (0.113 R)
• M10: 6,790,846 km (0.06 R)
• M11: 7,185,635 km (0.083 R)
• M12: 8,325,122 km (0.077 R)
• M13: 9,100,637 km (0.074 R)
• M14: 12,465,691 km (0.056 R)
• M15: 16,043,474 km (0.082 R)
• M16: 16,855,192 km (0.114 R)
• M17: 17,299,199 km (0.076 R)
• M18: 18,268,742 km (0.047 R)
• M19: 20,067,358 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.8

Radius: 13.2

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.53 AU - 6.21 AU

Year: 8163 Days

Day: 10.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,106,186 km

• M1: 164,707 km (0.1 R)
• M2: 577,597 km (0.079 R)
• M3: 1,284,597 km (0.101 R)
• M4: 1,875,957 km (0.101 R)
• M5: 2,705,029 km (0.091 R)
• M6: 3,284,421 km (0.044 R)
• M7: 4,267,429 km (0.03 R)
• M8: 5,308,780 km (0.065 R)
• M9: 8,807,275 km (0.115 R)
• M10: 9,314,711 km (0.068 R)
• M11: 11,060,519 km (0.04 R)
• M12: 11,651,879 km (0.109 R)
• M13: 12,722,850 km (0.084 R)
• M14: 13,193,036 km (0.036 R)
• M15: 15,125,691 km (0.118 R)
• M16: 16,816,596 km (0.104 R)
• M17: 18,331,723 km (0.059 R)
• M18: 20,093,687 km (0.039 R)
• M19: 26,338,351 km (0.12 R)
• M20: 29,385,809 km (0.106 R)
• M21: 30,208,896 km (0.092 R)
• M22: 31,153,308 km (0.058 R)
• M23: 32,442,841 km (0.069 R)
• M24: 33,879,729 km (0.099 R)
• M25: 35,473,993 km (0.063 R)
• M26: 37,356,832 km (0.107 R)
• M27: 37,958,665 km (0.105 R)
• M28: 38,444,858 km (0.061 R)
• M29: 40,178,996 km (0.066 R)
• M30: 42,354,149 km (0.042 R)
• M31: 44,203,478 km (0.064 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 15,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit