🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.6 AU - 0.6 AU

Year: 163 Days

Day: 25.6 Hours

Environment

Temp: 217 °C

Axial Tilt: 177.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.91 AU - 1.19 AU

Year: 376 Days

Day: 13.3 Hours

Environment

Temp: 95 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 69,265,347 km

• M1: 44,431 km (0.069 R)
• M2: 230,231 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.6 AU - 1.62 AU

Year: 715 Days

Day: 29.3 Hours

Environment

Temp: -20 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.98 AU - 3.02 AU

Year: 1818 Days

Day: 16.2 Hours

Environment

Temp: -88 °C

Axial Tilt: 100.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,265,347 km

• M1: 207,343 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.95 AU - 3.15 AU

Year: 1863 Days

Day: 36 Hours

Environment

Temp: -102 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.22 AU - 4.86 AU

Year: 2841 Days

Day: 27.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,265,347 km

• M1: 46,675 km (0.058 R)

Asteroid Belt

Center: 5.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.8

Radius: 9.5

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.61 AU - 8.77 AU

Year: 7460 Days

Day: 8.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,265,347 km

• M1: 118,182 km (0.111 R)
• M2: 564,882 km (0.044 R)
• M3: 1,007,841 km (0.085 R)
• M4: 2,423,934 km (0.048 R)
• M5: 2,979,990 km (0.096 R)
• M6: 3,357,575 km (0.119 R)
• M7: 5,045,039 km (0.055 R)
• M8: 5,453,590 km (0.101 R)
• M9: 7,118,615 km (0.094 R)
• M10: 7,432,621 km (0.09 R)
• M11: 8,387,354 km (0.103 R)
• M12: 9,007,288 km (0.116 R)
• M13: 9,468,648 km (0.045 R)
• M14: 10,793,187 km (0.068 R)
• M15: 11,260,980 km (0.119 R)
• M16: 12,293,055 km (0.117 R)
• M17: 12,688,891 km (0.091 R)
• M18: 13,387,065 km (0.118 R)
• M19: 14,923,734 km (0.083 R)
• M20: 17,058,047 km (0.109 R)
• M21: 17,479,763 km (0.087 R)
• M22: 18,417,443 km (0.085 R)
• M23: 20,002,282 km (0.068 R)
• M24: 23,441,538 km (0.036 R)
• M25: 32,959,403 km (0.106 R)
• M26: 35,515,881 km (0.071 R)
• M27: 37,370,446 km (0.109 R)
• M28: 37,844,073 km (0.12 R)
• M29: 41,904,757 km (0.057 R)
• M30: 43,190,401 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.1

Radius: 9.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 10.42 AU - 15.5 AU

Year: 16322 Days

Day: 11.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,265,347 km

• M1: 123,119 km (0.07 R)
• M2: 488,736 km (0.115 R)
• M3: 1,505,254 km (0.073 R)
• M4: 3,925,747 km (0.09 R)
• M5: 11,542,673 km (0.114 R)
• M6: 14,852,675 km (0.099 R)
• M7: 15,290,847 km (0.076 R)
• M8: 24,122,956 km (0.119 R)
• M9: 25,256,010 km (0.104 R)
• M10: 36,301,419 km (0.03 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726

Radius: 5.1

Gravity: 27.91 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 10.4 AU - 16.1 AU

Year: 16873 Days

Day: 23.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,265,347 km

• M1: 63,878 km (0.086 R)
• M2: 249,230 km (0.098 R)
• M3: 617,091 km (0.047 R)
• M4: 2,373,819 km (0.074 R)
• M5: 2,618,711 km (0.095 R)
• M6: 5,227,099 km (0.056 R)
• M7: 6,285,803 km (0.05 R)
• M8: 6,711,858 km (0.097 R)
• M9: 8,007,226 km (0.08 R)
• M10: 9,135,493 km (0.101 R)
• M11: 11,451,717 km (0.11 R)
• M12: 12,946,649 km (0.063 R)
• M13: 26,325,784 km (0.093 R)
• M14: 26,544,048 km (0.065 R)
• M15: 29,141,366 km (0.117 R)
• M16: 37,113,287 km (0.094 R)
• M17: 42,562,090 km (0.033 R)
• M18: 44,696,702 km (0.106 R)
• M19: 45,948,088 km (0.091 R)
• M20: 54,479,057 km (0.049 R)
• M21: 58,278,394 km (0.074 R)
• M22: 59,208,294 km (0.065 R)
• M23: 60,526,700 km (0.113 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 20,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit