🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.62 AU - 0.64 AU

Year: 184 Days

Day: 23.3 Hours

Environment

Temp: 178 °C

Axial Tilt: 21.9 °

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: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.74 AU - 0.82 AU

Year: 253 Days

Day: 32.6 Hours

Environment

Temp: 188 °C

Axial Tilt: 45.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.81 AU - 1.21 AU

Year: 373 Days

Day: 15.5 Hours

Environment

Temp: 25 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.97 AU - 1.47 AU

Year: 495 Days

Day: 38 Hours

Environment

Temp: 3 °C

Axial Tilt: 49.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 29,673,014 km

• M1: 29,172 km (0.03 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.12 AU - 1.36 AU

Year: 507 Days

Day: 41.8 Hours

Environment

Temp: -5 °C

Axial Tilt: 18.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 29,673,014 km

• M1: 21,991 km (0.115 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.01 AU - 3.15 AU

Year: 1521 Days

Day: 22.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.89 AU - 5.19 AU

Year: 3551 Days

Day: 21.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.48 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.9

Radius: 13.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.56 AU - 12.26 AU

Year: 12330 Days

Day: 5.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,673,014 km

• M1: 166,502 km (0.059 R)
• M2: 647,759 km (0.084 R)
• M3: 1,518,119 km (0.114 R)
• M4: 1,982,770 km (0.109 R)
• M5: 2,980,588 km (0.107 R)
• M6: 4,148,050 km (0.076 R)
• M7: 5,291,127 km (0.108 R)
• M8: 5,774,029 km (0.086 R)
• M9: 8,045,673 km (0.114 R)
• M10: 9,159,130 km (0.057 R)
• M11: 9,648,913 km (0.106 R)
• M12: 14,221,522 km (0.055 R)
• M13: 17,591,812 km (0.096 R)
• M14: 20,410,984 km (0.045 R)
• M15: 22,036,664 km (0.09 R)
• M16: 23,142,342 km (0.111 R)
• M17: 26,108,868 km (0.102 R)
• M18: 27,514,788 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 18,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit