🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.49 AU - 0.53 AU

Year: 137 Days

Day: 17.5 Hours

Environment

Temp: 217 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.57 AU - 0.57 AU

Year: 162 Days

Day: 19.5 Hours

Environment

Temp: 160 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.73 AU - 0.85 AU

Year: 265 Days

Day: 34.5 Hours

Environment

Temp: 123 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.79 AU - 1.09 AU

Year: 343 Days

Day: 18.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.99 AU - 1.37 AU

Year: 483 Days

Day: 22.9 Hours

Environment

Temp: 7 °C

Axial Tilt: 39.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.68 AU - 4.18 AU

Year: 2393 Days

Day: 18.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.2

Radius: 13.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.56 AU - 5.58 AU

Year: 3680 Days

Day: 7.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,059,335 km

• M1: 166,652 km (0.05 R)
• M2: 618,138 km (0.107 R)
• M3: 1,099,694 km (0.112 R)
• M4: 1,582,895 km (0.041 R)
• M5: 2,098,858 km (0.111 R)
• M6: 2,566,651 km (0.104 R)
• M7: 4,525,186 km (0.119 R)
• M8: 5,315,811 km (0.044 R)
• M9: 6,795,483 km (0.1 R)
• M10: 7,833,543 km (0.112 R)
• M11: 8,715,871 km (0.079 R)
• M12: 9,742,262 km (0.054 R)
• M13: 12,310,409 km (0.075 R)
• M14: 14,460,429 km (0.064 R)
• M15: 15,354,576 km (0.115 R)
• M16: 18,380,193 km (0.112 R)
• M17: 19,179,195 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.3

Radius: 13.7

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.54 AU - 8.88 AU

Year: 8862 Days

Day: 5.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,059,335 km

• M1: 170,392 km (0.093 R)
• M2: 734,526 km (0.11 R)
• M3: 1,718,431 km (0.109 R)
• M4: 2,349,135 km (0.088 R)
• M5: 2,974,903 km (0.113 R)
• M6: 3,436,413 km (0.083 R)
• M7: 4,219,258 km (0.113 R)
• M8: 4,744,347 km (0.049 R)
• M9: 6,105,239 km (0.065 R)
• M10: 8,188,239 km (0.104 R)
• M11: 10,551,138 km (0.119 R)
• M12: 11,138,609 km (0.07 R)
• M13: 11,635,423 km (0.064 R)
• M14: 12,673,632 km (0.083 R)
• M15: 14,345,538 km (0.105 R)
• M16: 15,951,322 km (0.111 R)
• M17: 18,734,740 km (0.089 R)
• M18: 20,079,026 km (0.06 R)
• M19: 21,486,742 km (0.098 R)
• M20: 23,675,209 km (0.034 R)
• M21: 25,816,404 km (0.119 R)
• M22: 26,983,417 km (0.116 R)
• M23: 30,803,548 km (0.097 R)
• M24: 32,227,271 km (0.063 R)
• M25: 37,249,571 km (0.077 R)
• M26: 37,865,465 km (0.107 R)
• M27: 40,397,409 km (0.091 R)
• M28: 43,040,205 km (0.114 R)
• M29: 43,855,065 km (0.052 R)
• M30: 44,680,097 km (0.115 R)
• M31: 45,937,018 km (0.115 R)
• M32: 46,645,514 km (0.04 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.7

Radius: 9.1

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.53 AU - 12.05 AU

Year: 11540 Days

Day: 9.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,059,335 km

• M1: 113,545 km (0.116 R)
• M2: 407,953 km (0.08 R)
• M3: 1,149,061 km (0.1 R)
• M4: 1,728,903 km (0.065 R)
• M5: 2,178,295 km (0.096 R)
• M6: 2,882,302 km (0.07 R)
• M7: 3,188,828 km (0.079 R)
• M8: 3,676,368 km (0.094 R)
• M9: 5,619,943 km (0.039 R)
• M10: 7,146,290 km (0.09 R)
• M11: 8,074,096 km (0.03 R)
• M12: 9,587,578 km (0.088 R)
• M13: 14,763,066 km (0.085 R)
• M14: 16,042,576 km (0.1 R)
• M15: 21,015,958 km (0.033 R)
• M16: 21,814,062 km (0.066 R)
• M17: 25,111,199 km (0.044 R)
• M18: 27,660,048 km (0.107 R)
• M19: 35,208,756 km (0.077 R)
• M20: 38,001,599 km (0.095 R)
• M21: 43,594,465 km (0.108 R)
• M22: 48,018,074 km (0.048 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: 458 - 10,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit