🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.42 AU - 0.64 AU

Year: 141 Days

Day: 20.5 Hours

Environment

Temp: 237 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.44 AU - 0.66 AU

Year: 149 Days

Day: 34 Hours

Environment

Temp: 229 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.91 AU - 1.27 AU

Year: 416 Days

Day: 41.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 42.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.79 AU - 2.83 AU

Year: 1282 Days

Day: 16.3 Hours

Environment

Temp: -70 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.5

Radius: 13.2

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.7 AU - 6.26 AU

Year: 4686 Days

Day: 13.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,308,925 km

• M1: 167,998 km (0.077 R)
• M2: 609,462 km (0.046 R)
• M3: 1,183,319 km (0.079 R)
• M4: 1,714,242 km (0.108 R)
• M5: 2,655,512 km (0.092 R)
• M6: 3,159,357 km (0.095 R)
• M7: 4,941,367 km (0.108 R)
• M8: 11,637,817 km (0.093 R)
• M9: 13,691,796 km (0.108 R)
• M10: 15,315,680 km (0.085 R)
• M11: 18,507,201 km (0.042 R)
• M12: 19,899,658 km (0.117 R)
• M13: 21,909,805 km (0.095 R)
• M14: 23,178,993 km (0.1 R)
• M15: 23,612,678 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391

Radius: 11.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.71 AU - 5.87 AU

Year: 5089 Days

Day: 12.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,308,925 km

• M1: 140,622 km (0.038 R)
• M2: 497,712 km (0.051 R)
• M3: 928,255 km (0.032 R)
• M4: 1,814,772 km (0.1 R)
• M5: 2,287,351 km (0.044 R)
• M6: 2,807,653 km (0.115 R)
• M7: 3,523,179 km (0.117 R)
• M8: 4,614,197 km (0.111 R)
• M9: 5,083,485 km (0.097 R)
• M10: 8,637,781 km (0.104 R)
• M11: 12,008,969 km (0.09 R)
• M12: 14,813,331 km (0.114 R)
• M13: 17,257,162 km (0.108 R)
• M14: 18,209,053 km (0.097 R)
• M15: 22,859,303 km (0.075 R)
• M16: 23,285,208 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257

Radius: 8.1

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.3 AU - 8.48 AU

Year: 7338 Days

Day: 8.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 162 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,308,925 km

• M1: 100,679 km (0.062 R)
• M2: 616,343 km (0.109 R)
• M3: 1,485,956 km (0.096 R)
• M4: 1,976,188 km (0.069 R)
• M5: 2,620,506 km (0.044 R)
• M6: 4,109,753 km (0.057 R)
• M7: 7,041,422 km (0.1 R)
• M8: 7,550,803 km (0.115 R)
• M9: 8,873,547 km (0.091 R)
• M10: 9,754,230 km (0.057 R)
• M11: 10,691,909 km (0.111 R)
• M12: 11,595,331 km (0.088 R)
• M13: 12,844,772 km (0.097 R)
• M14: 14,181,579 km (0.084 R)
• M15: 15,048,947 km (0.115 R)
• M16: 17,008,979 km (0.081 R)
• M17: 18,618,203 km (0.048 R)
• M18: 23,154,758 km (0.117 R)
• M19: 23,750,308 km (0.067 R)
• M20: 26,719,526 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801

Radius: 9

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.99 AU - 10.39 AU

Year: 9357 Days

Day: 8.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,308,925 km

• M1: 111,899 km (0.12 R)
• M2: 660,923 km (0.096 R)
• M3: 1,158,636 km (0.108 R)
• M4: 2,417,352 km (0.072 R)
• M5: 2,927,182 km (0.047 R)
• M6: 4,217,613 km (0.082 R)
• M7: 4,503,943 km (0.093 R)
• M8: 5,020,654 km (0.092 R)
• M9: 5,576,560 km (0.101 R)
• M10: 6,580,810 km (0.116 R)
• M11: 7,006,715 km (0.049 R)
• M12: 7,451,021 km (0.093 R)
• M13: 8,712,879 km (0.035 R)
• M14: 10,264,359 km (0.062 R)
• M15: 13,655,892 km (0.077 R)
• M16: 14,543,007 km (0.09 R)
• M17: 15,671,275 km (0.072 R)
• M18: 16,361,669 km (0.086 R)
• M19: 18,478,778 km (0.114 R)
• M20: 20,041,028 km (0.088 R)
• M21: 24,146,742 km (0.108 R)
• M22: 25,254,365 km (0.102 R)
• M23: 27,870,083 km (0.117 R)
• M24: 28,883,010 km (0.1 R)
• M25: 30,025,489 km (0.061 R)
• M26: 33,746,886 km (0.103 R)
• M27: 37,642,415 km (0.118 R)
• M28: 40,015,934 km (0.102 R)
• M29: 40,399,653 km (0.098 R)
• M30: 44,372,673 km (0.097 R)
• M31: 44,783,768 km (0.066 R)
• M32: 48,020,318 km (0.089 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 17,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit