🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.54 AU - 0.86 AU

Year: 221 Days

Day: 20.4 Hours

Environment

Temp: 124 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,057,039 km

• M1: 69,713 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.17 AU - 1.27 AU

Year: 508 Days

Day: 44.3 Hours

Environment

Temp: 1 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,057,039 km

• M1: 438,322 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.56 AU - 1.68 AU

Year: 777 Days

Day: 46.1 Hours

Environment

Temp: -53 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.09 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.4 AU - 2.72 AU

Year: 1543 Days

Day: 43.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,057,039 km

• M1: 90,956 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.7

Radius: 14.7

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.87 AU - 5.65 AU

Year: 4545 Days

Day: 13.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,057,039 km

• M1: 182,809 km (0.114 R)
• M2: 826,379 km (0.089 R)
• M3: 1,383,332 km (0.119 R)
• M4: 1,896,751 km (0.106 R)
• M5: 2,449,216 km (0.107 R)
• M6: 3,057,032 km (0.061 R)
• M7: 4,201,905 km (0.114 R)
• M8: 4,814,059 km (0.078 R)
• M9: 5,642,832 km (0.099 R)
• M10: 6,133,961 km (0.079 R)
• M11: 9,144,918 km (0.064 R)
• M12: 10,138,397 km (0.067 R)
• M13: 10,992,452 km (0.083 R)
• M14: 11,544,916 km (0.116 R)
• M15: 12,798,098 km (0.093 R)
• M16: 13,796,065 km (0.109 R)
• M17: 14,489,751 km (0.119 R)
• M18: 18,254,830 km (0.115 R)
• M19: 19,766,815 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 11.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.99 AU - 6.91 AU

Year: 6171 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,057,039 km

• M1: 154,086 km (0.115 R)
• M2: 946,955 km (0.102 R)
• M3: 3,149,634 km (0.105 R)
• M4: 5,821,003 km (0.051 R)
• M5: 7,938,112 km (0.09 R)
• M6: 9,086,275 km (0.077 R)
• M7: 13,585,880 km (0.07 R)
• M8: 15,798,882 km (0.064 R)
• M9: 17,298,301 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.2

Radius: 9.2

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.4 AU - 12.04 AU

Year: 11416 Days

Day: 12.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,057,039 km

• M1: 118,781 km (0.12 R)
• M2: 688,449 km (0.093 R)
• M3: 1,684,771 km (0.108 R)
• M4: 2,626,490 km (0.103 R)
• M5: 3,370,590 km (0.09 R)
• M6: 3,989,626 km (0.098 R)
• M7: 5,828,333 km (0.058 R)
• M8: 6,902,595 km (0.117 R)
• M9: 7,373,829 km (0.078 R)
• M10: 11,995,356 km (0.077 R)
• M11: 12,355,737 km (0.085 R)
• M12: 13,384,521 km (0.046 R)
• M13: 14,570,683 km (0.071 R)
• M14: 16,204,741 km (0.088 R)
• M15: 20,593,344 km (0.104 R)
• M16: 23,406,532 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.5

Radius: 3.3

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 15.09 AU - 16.99 AU

Year: 24201 Days

Day: 22.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,057,039 km

• M1: 41,439 km (0.091 R)
• M2: 264,639 km (0.071 R)
• M3: 426,354 km (0.049 R)
• M4: 566,527 km (0.102 R)
• M5: 903,422 km (0.065 R)
• M6: 1,555,668 km (0.108 R)
• M7: 2,381,748 km (0.116 R)
• M8: 2,607,491 km (0.069 R)
• M9: 3,487,575 km (0.07 R)
• M10: 4,520,548 km (0.064 R)
• M11: 5,292,025 km (0.115 R)
• M12: 6,392,467 km (0.12 R)
• M13: 6,571,685 km (0.051 R)
• M14: 7,360,514 km (0.085 R)
• M15: 8,637,332 km (0.113 R)
• M16: 11,201,440 km (0.064 R)
• M17: 12,994,819 km (0.059 R)
• M18: 14,970,558 km (0.113 R)
• M19: 15,996,949 km (0.091 R)
• M20: 19,957,852 km (0.077 R)
• M21: 24,788,068 km (0.112 R)
• M22: 28,858,626 km (0.046 R)
• M23: 30,543,696 km (0.114 R)
• M24: 32,503,279 km (0.116 R)
• M25: 33,567,518 km (0.099 R)
• M26: 35,096,259 km (0.044 R)
• M27: 35,429,713 km (0.077 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: 202 - 18,641 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit