🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.4 AU - 0.62 AU

Year: 140 Days

Day: 29.1 Hours

Environment

Temp: 137 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.7 AU - 1.08 AU

Year: 323 Days

Day: 45.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.02 AU - 1.12 AU

Year: 426 Days

Day: 24.3 Hours

Environment

Temp: 9 °C

Axial Tilt: 40 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.89 AU - 1.37 AU

Year: 462 Days

Day: 33.2 Hours

Environment

Temp: -8 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 61,773,698 km

• M1: 59,091 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.21 AU - 1.85 AU

Year: 729 Days

Day: 39.6 Hours

Environment

Temp: -56 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,773,698 km

• M1: 41,439 km (0.044 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.34 AU - 2.04 AU

Year: 846 Days

Day: 12.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,773,698 km

• M1: 796,908 km (0.062 R)

Asteroid Belt

Center: 3.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.5

Radius: 8.7

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.47 AU - 6.01 AU

Year: 4618 Days

Day: 6.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,773,698 km

• M1: 109,805 km (0.084 R)
• M2: 388,805 km (0.113 R)
• M3: 720,015 km (0.044 R)
• M4: 1,283,101 km (0.056 R)
• M5: 1,608,776 km (0.114 R)
• M6: 2,101,252 km (0.03 R)
• M7: 2,542,117 km (0.115 R)
• M8: 3,347,701 km (0.114 R)
• M9: 3,799,188 km (0.04 R)
• M10: 5,455,535 km (0.102 R)
• M11: 5,935,296 km (0.105 R)
• M12: 6,473,848 km (0.073 R)
• M13: 6,947,176 km (0.071 R)
• M14: 7,342,263 km (0.075 R)
• M15: 7,998,400 km (0.047 R)
• M16: 8,395,881 km (0.058 R)
• M17: 8,693,132 km (0.094 R)
• M18: 11,879,417 km (0.11 R)
• M19: 13,681,174 km (0.101 R)
• M20: 14,997,187 km (0.073 R)
• M21: 15,270,203 km (0.103 R)
• M22: 16,166,294 km (0.063 R)
• M23: 17,879,040 km (0.038 R)
• M24: 19,449,967 km (0.083 R)
• M25: 20,302,077 km (0.113 R)
• M26: 21,110,653 km (0.119 R)
• M27: 23,591,734 km (0.117 R)
• M28: 25,170,141 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.1

Radius: 14.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.65 AU - 12.75 AU

Year: 12542 Days

Day: 9.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,773,698 km

• M1: 177,872 km (0.045 R)
• M2: 879,486 km (0.114 R)
• M3: 1,376,749 km (0.057 R)
• M4: 2,177,397 km (0.105 R)
• M5: 3,478,300 km (0.067 R)
• M6: 4,548,523 km (0.112 R)
• M7: 6,018,322 km (0.098 R)
• M8: 6,779,177 km (0.077 R)
• M9: 8,396,779 km (0.115 R)
• M10: 12,892,793 km (0.111 R)
• M11: 14,090,324 km (0.086 R)
• M12: 18,129,018 km (0.118 R)
• M13: 19,290,346 km (0.082 R)
• M14: 19,975,953 km (0.06 R)
• M15: 20,677,717 km (0.114 R)
• M16: 22,223,661 km (0.063 R)
• M17: 25,647,358 km (0.077 R)
• M18: 29,974,028 km (0.119 R)
• M19: 31,714,898 km (0.086 R)
• M20: 32,190,320 km (0.111 R)
• M21: 38,139,080 km (0.103 R)
• M22: 43,747,504 km (0.073 R)
• M23: 44,336,919 km (0.096 R)
• M24: 48,298,421 km (0.092 R)
• M25: 48,928,078 km (0.104 R)
• M26: 50,043,181 km (0.081 R)
• M27: 57,444,386 km (0.113 R)
• M28: 58,864,219 km (0.088 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 16,553 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit