🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.56 AU - 0.84 AU

Year: 223 Days

Day: 39.4 Hours

Environment

Temp: 92 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.78 AU - 1.02 AU

Year: 325 Days

Day: 30.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 48.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.11 AU - 3.61 AU

Year: 2345 Days

Day: 26.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.3

Radius: 14.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.31 AU - 6.79 AU

Year: 4979 Days

Day: 10.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,349,244 km

• M1: 179,069 km (0.11 R)
• M2: 760,705 km (0.054 R)
• M3: 1,351,318 km (0.11 R)
• M4: 2,618,860 km (0.12 R)
• M5: 3,186,883 km (0.083 R)
• M6: 4,549,122 km (0.03 R)
• M7: 5,236,524 km (0.1 R)
• M8: 6,988,165 km (0.084 R)
• M9: 7,687,087 km (0.118 R)
• M10: 13,163,416 km (0.118 R)
• M11: 14,341,499 km (0.12 R)
• M12: 16,662,061 km (0.042 R)
• M13: 21,022,690 km (0.114 R)
• M14: 25,034,605 km (0.115 R)
• M15: 26,589,376 km (0.104 R)
• M16: 27,775,537 km (0.027 R)
• M17: 30,162,371 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.4

Radius: 8.2

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.1 AU - 11.38 AU

Year: 11575 Days

Day: 9 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,349,244 km

• M1: 112,198 km (0.074 R)
• M2: 485,146 km (0.094 R)
• M3: 838,795 km (0.058 R)
• M4: 1,196,185 km (0.093 R)
• M5: 1,544,149 km (0.093 R)
• M6: 1,875,808 km (0.072 R)
• M7: 2,208,513 km (0.116 R)
• M8: 3,347,402 km (0.034 R)
• M9: 4,355,243 km (0.067 R)
• M10: 6,027,448 km (0.042 R)
• M11: 6,691,064 km (0.114 R)
• M12: 8,051,657 km (0.093 R)
• M13: 10,624,740 km (0.114 R)
• M14: 13,437,030 km (0.117 R)
• M15: 15,412,321 km (0.041 R)
• M16: 15,817,731 km (0.089 R)
• M17: 17,510,880 km (0.044 R)
• M18: 18,401,436 km (0.084 R)
• M19: 20,759,098 km (0.082 R)
• M20: 22,487,702 km (0.096 R)
• M21: 24,623,211 km (0.097 R)
• M22: 26,973,693 km (0.069 R)
• M23: 29,204,796 km (0.108 R)
• M24: 29,736,616 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328

Radius: 5.9

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 12.91 AU - 14.05 AU

Year: 18847 Days

Day: 23.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,349,244 km

• M1: 73,453 km (0.039 R)
• M2: 262,395 km (0.073 R)
• M3: 610,210 km (0.112 R)
• M4: 2,164,532 km (0.099 R)
• M5: 2,399,550 km (0.069 R)
• M6: 3,703,146 km (0.119 R)
• M7: 6,920,397 km (0.098 R)
• M8: 8,154,430 km (0.109 R)
• M9: 14,293,777 km (0.104 R)
• M10: 15,693,714 km (0.108 R)
• M11: 17,491,581 km (0.071 R)
• M12: 18,763,612 km (0.111 R)
• M13: 20,096,230 km (0.086 R)
• M14: 23,322,757 km (0.087 R)
• M15: 26,160,778 km (0.063 R)
• M16: 41,452,972 km (0.092 R)
• M17: 51,903,729 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.6

Radius: 3.6

Gravity: 74.74 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 13.75 AU - 14.61 AU

Year: 20333 Days

Day: 18 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,349,244 km

• M1: 45,179 km (0.06 R)
• M2: 162,762 km (0.081 R)
• M3: 878,738 km (0.049 R)
• M4: 1,081,144 km (0.073 R)
• M5: 1,669,063 km (0.062 R)
• M6: 2,149,721 km (0.076 R)
• M7: 5,283,348 km (0.049 R)
• M8: 5,526,893 km (0.119 R)
• M9: 5,820,554 km (0.04 R)
• M10: 8,067,664 km (0.087 R)
• M11: 9,411,501 km (0.092 R)
• M12: 9,589,373 km (0.05 R)
• M13: 12,391,042 km (0.08 R)
• M14: 15,364,150 km (0.098 R)
• M15: 17,146,459 km (0.069 R)
• M16: 17,769,833 km (0.031 R)
• M17: 18,686,569 km (0.028 R)
• M18: 27,906,286 km (0.045 R)
• M19: 32,526,915 km (0.095 R)
• M20: 33,206,389 km (0.065 R)
• M21: 40,686,432 km (0.109 R)
• M22: 53,046,507 km (0.059 R)
• M23: 53,233,804 km (0.091 R)
• M24: 56,876,512 km (0.079 R)
• M25: 61,297,877 km (0.063 R)
• M26: 61,710,767 km (0.114 R)
• M27: 63,591,960 km (0.098 R)
• M28: 70,590,149 km (0.102 R)
• M29: 75,214,518 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 10,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit