🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.4 AU - 0.6 AU

Year: 124 Days

Day: 30.6 Hours

Environment

Temp: 288 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,470,455 km

• M1: 222,751 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.83 AU - 0.85 AU

Year: 269 Days

Day: 36.6 Hours

Environment

Temp: 170 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.43 AU - 1.49 AU

Year: 617 Days

Day: 32.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 42.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.63 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.8

Radius: 13.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.59 AU - 9.01 AU

Year: 7621 Days

Day: 11.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,470,455 km

• M1: 173,534 km (0.081 R)
• M2: 835,355 km (0.064 R)
• M3: 2,014,784 km (0.081 R)
• M4: 2,451,909 km (0.12 R)
• M5: 4,091,053 km (0.105 R)
• M6: 4,971,736 km (0.117 R)
• M7: 8,101,323 km (0.077 R)
• M8: 14,968,314 km (0.093 R)
• M9: 17,855,553 km (0.105 R)
• M10: 18,474,739 km (0.11 R)
• M11: 19,975,355 km (0.107 R)
• M12: 20,868,604 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173

Radius: 12.7

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 11.21 AU - 11.87 AU

Year: 13715 Days

Day: 9.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,470,455 km

• M1: 162,014 km (0.062 R)
• M2: 641,326 km (0.07 R)
• M3: 1,056,909 km (0.075 R)
• M4: 1,583,344 km (0.094 R)
• M5: 2,858,516 km (0.095 R)
• M6: 3,461,994 km (0.029 R)
• M7: 5,860,945 km (0.112 R)
• M8: 6,593,825 km (0.112 R)
• M9: 8,242,543 km (0.106 R)
• M10: 9,120,085 km (0.092 R)
• M11: 12,932,138 km (0.051 R)
• M12: 13,657,089 km (0.113 R)
• M13: 15,188,373 km (0.103 R)
• M14: 16,571,106 km (0.088 R)
• M15: 24,682,153 km (0.107 R)
• M16: 26,501,263 km (0.118 R)
• M17: 29,158,121 km (0.072 R)
• M18: 34,996,028 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.5

Radius: 12.5

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 11.19 AU - 13.05 AU

Year: 14762 Days

Day: 13.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,470,455 km

• M1: 156,779 km (0.104 R)
• M2: 572,062 km (0.109 R)
• M3: 1,403,078 km (0.112 R)
• M4: 1,882,091 km (0.097 R)
• M5: 2,491,253 km (0.112 R)
• M6: 2,889,632 km (0.107 R)
• M7: 3,595,286 km (0.092 R)
• M8: 4,933,887 km (0.069 R)
• M9: 5,495,627 km (0.108 R)
• M10: 7,045,162 km (0.069 R)
• M11: 8,718,265 km (0.118 R)
• M12: 10,247,753 km (0.07 R)
• M13: 12,135,678 km (0.117 R)
• M14: 13,561,496 km (0.109 R)
• M15: 15,980,493 km (0.072 R)
• M16: 17,213,180 km (0.113 R)
• M17: 19,010,149 km (0.116 R)
• M18: 20,929,191 km (0.085 R)
• M19: 21,657,882 km (0.045 R)
• M20: 26,286,440 km (0.062 R)
• M21: 33,842,778 km (0.075 R)
• M22: 35,356,559 km (0.107 R)
• M23: 42,876,545 km (0.117 R)
• M24: 44,052,384 km (0.12 R)
• M25: 45,400,560 km (0.053 R)
• M26: 47,240,913 km (0.078 R)
• M27: 49,450,175 km (0.045 R)
• M28: 53,565,163 km (0.12 R)
• M29: 55,792,675 km (0.092 R)
• M30: 60,431,705 km (0.114 R)

Asteroid Belt

Center: 12.94 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.5

Radius: 5.3

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 11.27 AU - 16.25 AU

Year: 17857 Days

Day: 16.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,470,455 km

• M1: 66,421 km (0.084 R)
• M2: 602,431 km (0.074 R)
• M3: 1,421,778 km (0.104 R)
• M4: 1,587,981 km (0.045 R)
• M5: 2,387,732 km (0.112 R)
• M6: 3,250,911 km (0.119 R)
• M7: 5,445,362 km (0.113 R)
• M8: 5,953,397 km (0.118 R)
• M9: 8,976,919 km (0.037 R)
• M10: 10,621,000 km (0.063 R)
• M11: 12,726,291 km (0.099 R)
• M12: 15,033,539 km (0.111 R)
• M13: 15,464,081 km (0.081 R)
• M14: 16,936,723 km (0.119 R)
• M15: 29,180,710 km (0.098 R)
• M16: 31,021,961 km (0.093 R)
• M17: 32,631,484 km (0.079 R)
• M18: 32,939,357 km (0.057 R)
• M19: 33,769,924 km (0.056 R)
• M20: 37,119,869 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46

Radius: 5.3

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 13.97 AU - 20.07 AU

Year: 24565 Days

Day: 18.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,470,455 km

• M1: 65,973 km (0.107 R)
• M2: 230,830 km (0.063 R)
• M3: 469,139 km (0.115 R)
• M4: 1,183,020 km (0.071 R)
• M5: 2,314,877 km (0.098 R)
• M6: 2,980,139 km (0.112 R)
• M7: 3,908,394 km (0.098 R)
• M8: 4,155,230 km (0.087 R)
• M9: 9,217,024 km (0.119 R)
• M10: 15,854,382 km (0.064 R)
• M11: 16,041,080 km (0.094 R)
• M12: 18,811,783 km (0.056 R)
• M13: 22,742,616 km (0.068 R)
• M14: 24,857,182 km (0.111 R)
• M15: 28,087,000 km (0.107 R)
• M16: 34,107,567 km (0.087 R)
• M17: 34,942,023 km (0.112 R)

Kuiper Belt

Range: 31.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 18,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit