🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.61 AU - 0.65 AU

Year: 184 Days

Day: 31.3 Hours

Environment

Temp: 134 °C

Axial Tilt: 54.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 78,029,412 km

• M1: 42,037 km (0.107 R)
• M2: 348,114 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.8 AU - 2.02 AU

Year: 974 Days

Day: 29.2 Hours

Environment

Temp: -59 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.26 AU - 3.48 AU

Year: 1794 Days

Day: 46.8 Hours

Environment

Temp: -96 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.05 AU - 3.25 AU

Year: 2063 Days

Day: 28.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.94 AU - 3.4 AU

Year: 2082 Days

Day: 26.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,029,412 km

• M1: 1,186,012 km (0.069 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.55 AU - 4.69 AU

Year: 3085 Days

Day: 35.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.1

Radius: 12.2

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.64 AU - 9.16 AU

Year: 8982 Days

Day: 14 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,029,412 km

• M1: 151,692 km (0.086 R)
• M2: 644,019 km (0.065 R)
• M3: 1,167,761 km (0.045 R)
• M4: 1,956,441 km (0.054 R)
• M5: 2,335,971 km (0.068 R)
• M6: 3,592,443 km (0.106 R)
• M7: 4,634,243 km (0.036 R)
• M8: 6,927,877 km (0.104 R)
• M9: 7,386,245 km (0.104 R)
• M10: 8,752,373 km (0.069 R)
• M11: 12,307,716 km (0.109 R)
• M12: 13,444,959 km (0.099 R)
• M13: 14,099,599 km (0.086 R)
• M14: 14,650,867 km (0.1 R)
• M15: 15,796,638 km (0.075 R)
• M16: 16,458,608 km (0.096 R)
• M17: 20,590,501 km (0.118 R)
• M18: 22,769,993 km (0.104 R)
• M19: 24,131,932 km (0.103 R)
• M20: 25,547,277 km (0.096 R)
• M21: 27,017,375 km (0.103 R)
• M22: 28,835,438 km (0.112 R)
• M23: 30,836,011 km (0.082 R)
• M24: 31,870,181 km (0.064 R)
• M25: 32,501,783 km (0.101 R)
• M26: 33,789,821 km (0.111 R)
• M27: 34,778,064 km (0.103 R)
• M28: 35,335,316 km (0.057 R)
• M29: 36,697,255 km (0.043 R)
• M30: 40,376,764 km (0.103 R)
• M31: 41,990,626 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465

Radius: 9.9

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.45 AU - 12.73 AU

Year: 12715 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,029,412 km

• M1: 123,119 km (0.09 R)
• M2: 472,131 km (0.07 R)
• M3: 822,040 km (0.065 R)
• M4: 3,162,649 km (0.105 R)
• M5: 4,986,546 km (0.045 R)
• M6: 5,714,938 km (0.082 R)
• M7: 6,437,196 km (0.112 R)
• M8: 7,932,427 km (0.119 R)
• M9: 9,160,925 km (0.068 R)
• M10: 13,295,810 km (0.097 R)
• M11: 17,185,055 km (0.045 R)
• M12: 22,116,848 km (0.105 R)
• M13: 23,437,947 km (0.091 R)
• M14: 26,333,564 km (0.076 R)
• M15: 26,920,286 km (0.07 R)
• M16: 29,880,080 km (0.119 R)
• M17: 37,411,585 km (0.056 R)
• M18: 42,141,870 km (0.117 R)
• M19: 44,168,173 km (0.084 R)
• M20: 46,117,284 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.5

Radius: 7.2

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 15.47 AU - 22.41 AU

Year: 30412 Days

Day: 17.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,029,412 km

• M1: 130,898 km (0.039 R)
• M2: 676,332 km (0.073 R)
• M3: 1,050,327 km (0.108 R)
• M4: 1,837,361 km (0.118 R)
• M5: 5,190,747 km (0.051 R)
• M6: 12,568,016 km (0.109 R)
• M7: 14,829,487 km (0.066 R)
• M8: 18,664,728 km (0.069 R)
• M9: 22,906,875 km (0.061 R)
• M10: 29,059,386 km (0.105 R)
• M11: 33,632,444 km (0.084 R)
• M12: 38,956,333 km (0.117 R)
• M13: 41,817,542 km (0.085 R)
• M14: 48,975,201 km (0.107 R)
• M15: 50,884,070 km (0.047 R)
• M16: 64,618,800 km (0.093 R)
• M17: 73,221,575 km (0.034 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 14,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit