🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.13 AU - 1.63 AU

Year: 589 Days

Day: 22.8 Hours

Environment

Temp: -6 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.3 AU - 1.62 AU

Year: 641 Days

Day: 41.5 Hours

Environment

Temp: -26 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.69 AU - 2.01 AU

Year: 915 Days

Day: 47.3 Hours

Environment

Temp: -57 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.92 AU - 2.4 AU

Year: 1154 Days

Day: 38.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.64 AU - 3.24 AU

Year: 1832 Days

Day: 12.2 Hours

Environment

Temp: -106 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.37 AU - 3.79 AU

Year: 1965 Days

Day: 35.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.82 AU - 4.26 AU

Year: 2421 Days

Day: 24 Hours

Environment

Temp: -105 °C

Axial Tilt: 61.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 14,892,336 km

• M1: 37,399 km (0.099 R)
• M2: 2,404,337 km (0.099 R)

Asteroid Belt

Center: 4.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.1

Radius: 8.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.55 AU - 5.93 AU

Year: 4359 Days

Day: 14.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,892,336 km

• M1: 105,766 km (0.113 R)
• M2: 707,598 km (0.112 R)
• M3: 1,080,695 km (0.107 R)
• M4: 1,391,260 km (0.059 R)
• M5: 2,486,167 km (0.083 R)
• M6: 3,445,538 km (0.111 R)
• M7: 5,112,657 km (0.068 R)
• M8: 5,420,380 km (0.073 R)
• M9: 6,146,378 km (0.096 R)
• M10: 8,110,299 km (0.119 R)
• M11: 9,609,569 km (0.08 R)
• M12: 10,320,458 km (0.116 R)
• M13: 10,849,286 km (0.113 R)
• M14: 11,507,667 km (0.088 R)
• M15: 13,311,069 km (0.104 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 13,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit