🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.51 AU - 0.55 AU

Year: 253 Days

Day: 12.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.5

Radius: 10

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.68 AU - 0.68 AU

Year: 368 Days

Day: 8.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,818,613 km

• M1: 124,465 km (0.101 R)
• M2: 455,077 km (0.065 R)
• M3: 852,558 km (0.067 R)
• M4: 1,221,467 km (0.075 R)
• M5: 1,602,642 km (0.094 R)
• M6: 1,960,330 km (0.093 R)
• M7: 2,302,910 km (0.096 R)
• M8: 2,627,088 km (0.102 R)
• M9: 3,398,864 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.1

Radius: 14.5

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.66 AU - 0.88 AU

Year: 443 Days

Day: 10.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,818,613 km

• M1: 180,265 km (0.066 R)
• M2: 636,539 km (0.086 R)
• M3: 1,204,263 km (0.084 R)
• M4: 1,807,441 km (0.068 R)
• M5: 2,266,408 km (0.114 R)
• M6: 3,417,713 km (0.119 R)
• M7: 3,978,705 km (0.088 R)

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.4

Radius: 12.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.07 AU - 1.57 AU

Year: 995 Days

Day: 5.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,818,613 km

• M1: 160,668 km (0.067 R)
• M2: 694,284 km (0.106 R)
• M3: 1,150,258 km (0.044 R)
• M4: 1,905,877 km (0.093 R)
• M5: 3,197,355 km (0.074 R)
• M6: 3,632,236 km (0.089 R)
• M7: 4,417,176 km (0.095 R)
• M8: 5,101,736 km (0.106 R)
• M9: 5,733,937 km (0.065 R)
• M10: 6,232,696 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 14.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.39 AU - 1.87 AU

Year: 1365 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,818,613 km

• M1: 182,809 km (0.116 R)
• M2: 692,040 km (0.077 R)
• M3: 1,198,279 km (0.062 R)
• M4: 1,757,775 km (0.091 R)
• M5: 2,316,373 km (0.096 R)
• M6: 3,720,649 km (0.089 R)
• M7: 4,961,563 km (0.084 R)
• M8: 5,721,221 km (0.092 R)
• M9: 6,533,837 km (0.116 R)
• M10: 7,869,147 km (0.12 R)
• M11: 10,543,658 km (0.051 R)
• M12: 11,766,770 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113

Radius: 10.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.57 AU - 3.29 AU

Year: 3290 Days

Day: 8.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,818,613 km

• M1: 143,614 km (0.109 R)
• M2: 727,195 km (0.067 R)
• M3: 1,106,127 km (0.086 R)
• M4: 1,837,211 km (0.092 R)
• M5: 2,207,616 km (0.1 R)
• M6: 2,811,542 km (0.058 R)
• M7: 3,569,555 km (0.119 R)
• M8: 4,048,717 km (0.093 R)
• M9: 4,818,547 km (0.109 R)
• M10: 6,175,849 km (0.049 R)
• M11: 7,195,658 km (0.112 R)
• M12: 7,665,694 km (0.095 R)
• M13: 8,466,043 km (0.118 R)
• M14: 8,842,431 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.1

Radius: 7.9

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.64 AU - 8.66 AU

Year: 13880 Days

Day: 16.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 124.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,818,613 km

• M1: 98,286 km (0.086 R)
• M2: 422,165 km (0.099 R)
• M3: 734,675 km (0.084 R)
• M4: 1,023,997 km (0.083 R)
• M5: 1,638,845 km (0.072 R)
• M6: 1,980,526 km (0.059 R)
• M7: 2,573,083 km (0.062 R)
• M8: 2,994,800 km (0.105 R)
• M9: 3,508,668 km (0.056 R)
• M10: 3,950,880 km (0.058 R)
• M11: 4,485,243 km (0.054 R)
• M12: 6,032,385 km (0.077 R)
• M13: 7,115,473 km (0.08 R)
• M14: 8,196,318 km (0.104 R)
• M15: 9,475,080 km (0.067 R)
• M16: 9,755,427 km (0.104 R)
• M17: 10,332,875 km (0.117 R)
• M18: 12,534,207 km (0.055 R)
• M19: 13,744,304 km (0.053 R)
• M20: 14,347,034 km (0.072 R)
• M21: 15,093,677 km (0.075 R)
• M22: 17,004,341 km (0.047 R)
• M23: 18,340,250 km (0.103 R)
• M24: 21,299,296 km (0.099 R)
• M25: 21,862,083 km (0.104 R)
• M26: 25,181,062 km (0.058 R)
• M27: 26,727,455 km (0.056 R)
• M28: 27,100,253 km (0.068 R)
• M29: 33,440,210 km (0.066 R)
• M30: 38,057,698 km (0.086 R)
• M31: 38,529,680 km (0.076 R)
• M32: 39,969,260 km (0.116 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: 422 - 12,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit