🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.61 AU - 0.89 AU

Year: 274 Days

Day: 44.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 25.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.02 AU - 1.54 AU

Year: 611 Days

Day: 12.8 Hours

Environment

Temp: -66 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.62 AU - 1.7 AU

Year: 902 Days

Day: 21.2 Hours

Environment

Temp: -95 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.63 AU - 2.69 AU

Year: 1339 Days

Day: 23.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,419,668 km

• M1: 421,716 km (0.086 R)

Asteroid Belt

Center: 2.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.4

Radius: 9.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.56 AU - 4.06 AU

Year: 2540 Days

Day: 6.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,419,668 km

• M1: 123,119 km (0.099 R)
• M2: 450,290 km (0.083 R)
• M3: 786,885 km (0.085 R)
• M4: 1,179,729 km (0.102 R)
• M5: 2,246,511 km (0.05 R)
• M6: 3,568,508 km (0.107 R)
• M7: 4,333,551 km (0.078 R)
• M8: 4,649,651 km (0.112 R)
• M9: 7,008,660 km (0.1 R)
• M10: 8,289,966 km (0.066 R)
• M11: 8,956,574 km (0.074 R)
• M12: 9,348,820 km (0.105 R)
• M13: 9,974,887 km (0.098 R)
• M14: 10,965,973 km (0.114 R)
• M15: 11,769,164 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.4

Radius: 10.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.59 AU - 5.53 AU

Year: 4800 Days

Day: 10.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,419,668 km

• M1: 130,599 km (0.104 R)
• M2: 458,368 km (0.066 R)
• M3: 956,230 km (0.051 R)
• M4: 1,874,761 km (0.064 R)
• M5: 3,946,093 km (0.115 R)
• M6: 5,507,745 km (0.118 R)
• M7: 6,855,771 km (0.119 R)
• M8: 9,089,118 km (0.053 R)
• M9: 14,232,293 km (0.063 R)
• M10: 15,716,453 km (0.082 R)
• M11: 21,956,031 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.9

Radius: 8.1

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.6 AU - 8.32 AU

Year: 9472 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,419,668 km

• M1: 100,829 km (0.077 R)
• M2: 953,088 km (0.044 R)
• M3: 2,848,942 km (0.077 R)
• M4: 3,809,959 km (0.11 R)
• M5: 4,238,556 km (0.114 R)
• M6: 4,698,869 km (0.079 R)
• M7: 5,385,972 km (0.05 R)
• M8: 7,641,609 km (0.12 R)
• M9: 12,019,142 km (0.059 R)
• M10: 12,648,201 km (0.075 R)
• M11: 14,222,569 km (0.074 R)
• M12: 14,732,099 km (0.103 R)
• M13: 17,177,426 km (0.08 R)
• M14: 20,679,512 km (0.058 R)
• M15: 21,833,211 km (0.045 R)
• M16: 26,975,338 km (0.084 R)
• M17: 29,465,395 km (0.056 R)
• M18: 30,189,150 km (0.082 R)
• M19: 31,243,515 km (0.093 R)
• M20: 38,457,424 km (0.11 R)
• M21: 46,290,069 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.9

Radius: 11.6

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.25 AU - 10.97 AU

Year: 12564 Days

Day: 11 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,419,668 km

• M1: 144,512 km (0.1 R)
• M2: 711,787 km (0.11 R)
• M3: 2,489,458 km (0.077 R)
• M4: 3,248,069 km (0.116 R)
• M5: 6,752,848 km (0.095 R)
• M6: 7,134,771 km (0.062 R)
• M7: 8,368,505 km (0.089 R)
• M8: 10,962,981 km (0.097 R)
• M9: 14,889,626 km (0.086 R)
• M10: 20,361,467 km (0.031 R)
• M11: 20,803,529 km (0.034 R)
• M12: 22,354,559 km (0.101 R)
• M13: 27,684,732 km (0.114 R)
• M14: 31,990,158 km (0.025 R)
• M15: 40,078,317 km (0.115 R)
• M16: 41,194,018 km (0.089 R)
• M17: 42,473,678 km (0.089 R)
• M18: 56,241,768 km (0.074 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 17,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit