🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.39 AU - 0.61 AU

Year: 129 Days

Day: 31.2 Hours

Environment

Temp: 184 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.49 AU - 0.59 AU

Year: 145 Days

Day: 16.4 Hours

Environment

Temp: 209 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.62 AU - 1 AU

Year: 266 Days

Day: 32.4 Hours

Environment

Temp: 100 °C

Axial Tilt: 151.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.74 AU - 1.16 AU

Year: 338 Days

Day: 42.6 Hours

Environment

Temp: 43 °C

Axial Tilt: 14 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 57,746,204 km

• M1: 92,900 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.89 AU - 1.05 AU

Year: 349 Days

Day: 25.9 Hours

Environment

Temp: 40 °C

Axial Tilt: 25.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.75 AU - 1.19 AU

Year: 349 Days

Day: 40.2 Hours

Environment

Temp: 36 °C

Axial Tilt: 134.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.76 AU - 2.74 AU

Year: 1233 Days

Day: 19.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.6

Radius: 14.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.36 AU - 11.26 AU

Year: 11223 Days

Day: 13.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,746,204 km

• M1: 181,612 km (0.092 R)
• M2: 691,142 km (0.117 R)
• M3: 1,259,614 km (0.059 R)
• M4: 1,995,785 km (0.059 R)
• M5: 2,521,323 km (0.081 R)
• M6: 3,252,258 km (0.05 R)
• M7: 3,858,279 km (0.073 R)
• M8: 4,312,907 km (0.034 R)
• M9: 5,016,465 km (0.109 R)
• M10: 5,761,612 km (0.114 R)
• M11: 6,358,957 km (0.112 R)
• M12: 11,937,162 km (0.038 R)
• M13: 14,888,878 km (0.098 R)
• M14: 15,680,101 km (0.092 R)
• M15: 18,223,115 km (0.105 R)
• M16: 19,906,241 km (0.079 R)
• M17: 22,280,658 km (0.08 R)
• M18: 24,747,078 km (0.113 R)
• M19: 25,391,097 km (0.085 R)
• M20: 27,292,935 km (0.074 R)
• M21: 29,595,545 km (0.044 R)
• M22: 30,321,394 km (0.068 R)
• M23: 36,918,959 km (0.049 R)
• M24: 37,639,273 km (0.104 R)
• M25: 38,246,640 km (0.108 R)
• M26: 40,360,907 km (0.058 R)
• M27: 43,211,345 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.2

Radius: 5.8

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 12.41 AU - 13.37 AU

Year: 16903 Days

Day: 20.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,746,204 km

• M1: 72,705 km (0.101 R)
• M2: 299,645 km (0.084 R)
• M3: 839,842 km (0.104 R)
• M4: 1,121,236 km (0.099 R)
• M5: 1,508,096 km (0.081 R)
• M6: 2,033,783 km (0.095 R)
• M7: 3,626,552 km (0.111 R)
• M8: 3,960,454 km (0.118 R)
• M9: 4,468,339 km (0.094 R)
• M10: 5,327,629 km (0.088 R)
• M11: 5,759,368 km (0.026 R)
• M12: 6,331,580 km (0.074 R)
• M13: 6,815,978 km (0.077 R)
• M14: 7,324,761 km (0.06 R)
• M15: 7,632,932 km (0.113 R)
• M16: 10,200,630 km (0.076 R)
• M17: 11,737,449 km (0.107 R)
• M18: 11,977,554 km (0.105 R)
• M19: 12,529,719 km (0.108 R)
• M20: 13,292,220 km (0.098 R)
• M21: 13,618,941 km (0.05 R)
• M22: 14,839,510 km (0.119 R)
• M23: 16,057,536 km (0.079 R)
• M24: 24,403,452 km (0.037 R)
• M25: 24,794,800 km (0.103 R)
• M26: 25,489,682 km (0.056 R)
• M27: 27,231,450 km (0.071 R)
• M28: 30,270,680 km (0.117 R)
• M29: 31,064,297 km (0.069 R)
• M30: 49,520,486 km (0.094 R)
• M31: 50,463,251 km (0.11 R)
• M32: 52,222,821 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 19,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit