🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.01 AU - 1.05 AU

Year: 390 Days

Day: 18.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.65 AU - 1.79 AU

Year: 841 Days

Day: 35.7 Hours

Environment

Temp: -68 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,980,086 km

• M1: 209,886 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.69 AU - 2.29 AU

Year: 1046 Days

Day: 32.4 Hours

Environment

Temp: -66 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.7

Radius: 11.5

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.58 AU - 8.08 AU

Year: 7398 Days

Day: 13.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,980,086 km

• M1: 144,212 km (0.114 R)
• M2: 586,274 km (0.074 R)
• M3: 1,247,796 km (0.117 R)
• M4: 1,763,609 km (0.072 R)
• M5: 2,366,040 km (0.101 R)
• M6: 4,009,672 km (0.102 R)
• M7: 4,430,191 km (0.112 R)
• M8: 5,773,879 km (0.059 R)
• M9: 6,381,546 km (0.067 R)
• M10: 7,645,648 km (0.118 R)
• M11: 8,505,836 km (0.08 R)
• M12: 12,437,118 km (0.076 R)
• M13: 16,032,853 km (0.071 R)
• M14: 21,276,707 km (0.085 R)
• M15: 24,326,708 km (0.113 R)
• M16: 24,934,973 km (0.105 R)
• M17: 26,001,157 km (0.085 R)
• M18: 27,376,261 km (0.065 R)
• M19: 29,480,056 km (0.067 R)
• M20: 32,415,016 km (0.079 R)
• M21: 32,834,638 km (0.035 R)
• M22: 33,791,915 km (0.098 R)
• M23: 35,539,517 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.4

Radius: 9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.83 AU - 10.79 AU

Year: 10590 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,980,086 km

• M1: 114,442 km (0.069 R)
• M2: 420,819 km (0.113 R)
• M3: 774,019 km (0.063 R)
• M4: 1,200,673 km (0.09 R)
• M5: 3,011,704 km (0.048 R)
• M6: 3,428,035 km (0.114 R)
• M7: 4,494,668 km (0.117 R)
• M8: 5,968,357 km (0.101 R)
• M9: 9,556,761 km (0.096 R)
• M10: 11,550,302 km (0.103 R)
• M11: 12,100,673 km (0.069 R)
• M12: 14,796,576 km (0.071 R)
• M13: 15,500,883 km (0.081 R)
• M14: 18,981,127 km (0.112 R)
• M15: 19,489,910 km (0.051 R)
• M16: 20,138,716 km (0.084 R)
• M17: 24,188,779 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.4

Radius: 13.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.53 AU - 11.95 AU

Year: 12215 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,980,086 km

• M1: 172,038 km (0.079 R)
• M2: 675,584 km (0.049 R)
• M3: 1,108,071 km (0.099 R)
• M4: 1,562,101 km (0.071 R)
• M5: 2,016,131 km (0.088 R)
• M6: 2,596,570 km (0.105 R)
• M7: 3,654,078 km (0.079 R)
• M8: 4,922,518 km (0.096 R)
• M9: 8,782,891 km (0.083 R)
• M10: 9,314,562 km (0.089 R)
• M11: 10,248,352 km (0.111 R)
• M12: 11,978,152 km (0.118 R)
• M13: 13,082,633 km (0.106 R)
• M14: 16,205,937 km (0.099 R)
• M15: 18,545,648 km (0.086 R)
• M16: 19,201,036 km (0.116 R)
• M17: 20,098,624 km (0.104 R)
• M18: 27,935,757 km (0.06 R)
• M19: 32,108,939 km (0.072 R)
• M20: 33,266,976 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.4

Radius: 13.9

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 10.69 AU - 12.17 AU

Year: 14405 Days

Day: 14.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,980,086 km

• M1: 172,935 km (0.114 R)
• M2: 816,954 km (0.109 R)
• M3: 1,311,973 km (0.082 R)
• M4: 2,296,477 km (0.103 R)
• M5: 3,324,214 km (0.089 R)
• M6: 4,017,152 km (0.097 R)
• M7: 4,705,152 km (0.112 R)
• M8: 7,162,297 km (0.116 R)
• M9: 7,797,340 km (0.069 R)
• M10: 13,014,716 km (0.069 R)
• M11: 14,955,299 km (0.09 R)
• M12: 15,919,158 km (0.101 R)
• M13: 17,482,157 km (0.098 R)
• M14: 21,462,657 km (0.1 R)
• M15: 22,022,901 km (0.118 R)
• M16: 26,862,542 km (0.087 R)
• M17: 28,959,904 km (0.105 R)
• M18: 31,522,515 km (0.11 R)
• M19: 34,614,105 km (0.061 R)
• M20: 35,644,685 km (0.102 R)
• M21: 45,859,975 km (0.115 R)
• M22: 48,209,111 km (0.109 R)
• M23: 50,637,533 km (0.025 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 15,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit