🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.51 AU - 0.69 AU

Year: 163 Days

Day: 37.4 Hours

Environment

Temp: 204 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.76 AU - 0.8 AU

Year: 241 Days

Day: 21 Hours

Environment

Temp: 201 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 25,505,451 km

• M1: 227,090 km (0.039 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.93 AU - 1.29 AU

Year: 409 Days

Day: 26.3 Hours

Environment

Temp: 47 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 25,505,451 km

• M1: 680,371 km (0.028 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.27 AU - 1.73 AU

Year: 643 Days

Day: 12.1 Hours

Environment

Temp: 9 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 25,505,451 km

• M1: 34,108 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.88 AU - 2.04 AU

Year: 960 Days

Day: 43.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.86 AU - 5.3 AU

Year: 4006 Days

Day: 19.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 101.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43

Radius: 13.5

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.71 AU - 7.61 AU

Year: 6703 Days

Day: 13.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,505,451 km

• M1: 168,746 km (0.048 R)
• M2: 2,714,304 km (0.101 R)
• M3: 3,655,274 km (0.098 R)
• M4: 6,155,354 km (0.106 R)
• M5: 8,178,067 km (0.103 R)
• M6: 8,654,985 km (0.117 R)
• M7: 10,542,162 km (0.077 R)
• M8: 11,252,453 km (0.093 R)
• M9: 14,546,897 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.8

Radius: 11.3

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 11.12 AU - 13.76 AU

Year: 15350 Days

Day: 10.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,505,451 km

• M1: 140,622 km (0.081 R)
• M2: 504,444 km (0.107 R)
• M3: 5,349,919 km (0.106 R)
• M4: 11,231,210 km (0.05 R)
• M5: 16,843,374 km (0.092 R)
• M6: 19,635,319 km (0.115 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 15,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit