🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.39 AU - 0.63 AU

Year: 136 Days

Day: 16.7 Hours

Environment

Temp: 227 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.91 AU - 1.21 AU

Year: 407 Days

Day: 22.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 91,875,772 km

• M1: 58,194 km (0.04 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.21 AU - 1.63 AU

Year: 631 Days

Day: 25.3 Hours

Environment

Temp: -31 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,875,772 km

• M1: 127,308 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.47 AU - 1.53 AU

Year: 685 Days

Day: 29.5 Hours

Environment

Temp: -37 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.59 AU - 2.51 AU

Year: 1094 Days

Day: 12.9 Hours

Environment

Temp: -84 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214

Radius: 8.8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.9 AU - 9.46 AU

Year: 9533 Days

Day: 10.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,875,772 km

• M1: 112,348 km (0.09 R)
• M2: 957,127 km (0.099 R)
• M3: 1,598,752 km (0.079 R)
• M4: 3,105,801 km (0.112 R)
• M5: 3,691,028 km (0.028 R)
• M6: 4,730,584 km (0.119 R)
• M7: 6,394,711 km (0.107 R)
• M8: 7,061,618 km (0.03 R)
• M9: 8,811,015 km (0.093 R)
• M10: 12,073,147 km (0.037 R)
• M11: 13,301,046 km (0.118 R)
• M12: 14,893,366 km (0.098 R)
• M13: 15,883,853 km (0.109 R)
• M14: 19,389,530 km (0.086 R)
• M15: 29,477,064 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.3

Radius: 5.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 14.03 AU - 19.21 AU

Year: 25258 Days

Day: 23 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,875,772 km

• M1: 65,524 km (0.109 R)
• M2: 316,399 km (0.042 R)
• M3: 1,202,168 km (0.075 R)
• M4: 2,236,339 km (0.109 R)
• M5: 3,387,793 km (0.094 R)
• M6: 3,709,279 km (0.116 R)
• M7: 4,243,044 km (0.094 R)
• M8: 7,661,206 km (0.114 R)
• M9: 11,119,311 km (0.116 R)
• M10: 11,334,283 km (0.044 R)
• M11: 11,552,097 km (0.095 R)
• M12: 16,726,089 km (0.094 R)
• M13: 17,948,304 km (0.111 R)
• M14: 21,138,478 km (0.102 R)
• M15: 27,718,391 km (0.104 R)
• M16: 28,113,928 km (0.083 R)
• M17: 31,414,655 km (0.09 R)
• M18: 34,506,993 km (0.108 R)
• M19: 37,917,525 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.1

Radius: 5.8

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 17.21 AU - 21.41 AU

Year: 31632 Days

Day: 22.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,875,772 km

• M1: 73,752 km (0.107 R)
• M2: 634,744 km (0.081 R)
• M3: 1,010,234 km (0.114 R)
• M4: 1,218,475 km (0.063 R)
• M5: 1,667,119 km (0.045 R)
• M6: 4,179,316 km (0.059 R)
• M7: 6,080,705 km (0.044 R)
• M8: 10,740,978 km (0.04 R)
• M9: 11,755,401 km (0.079 R)
• M10: 13,585,431 km (0.117 R)
• M11: 18,170,008 km (0.066 R)
• M12: 19,507,712 km (0.12 R)
• M13: 30,361,785 km (0.072 R)
• M14: 32,790,956 km (0.115 R)
• M15: 33,628,704 km (0.065 R)
• M16: 40,690,770 km (0.046 R)
• M17: 43,470,448 km (0.117 R)
• M18: 52,944,631 km (0.083 R)
• M19: 53,518,638 km (0.06 R)
• M20: 60,733,744 km (0.107 R)
• M21: 64,572,874 km (0.105 R)
• M22: 65,228,112 km (0.074 R)
• M23: 74,871,939 km (0.08 R)
• M24: 76,322,739 km (0.065 R)
• M25: 77,546,001 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 19,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit