🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.59 AU - 0.83 AU

Year: 223 Days

Day: 33.5 Hours

Environment

Temp: 165 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.71 AU - 0.87 AU

Year: 262 Days

Day: 38.5 Hours

Environment

Temp: 82 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 20,687,300 km

• M1: 14,661 km (0.115 R)
• M2: 94,396 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.8 AU - 1.28 AU

Year: 395 Days

Day: 28.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.92 AU - 1.18 AU

Year: 401 Days

Day: 40.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 18.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.15 AU - 1.31 AU

Year: 509 Days

Day: 33.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.06 AU - 3 AU

Year: 1500 Days

Day: 20.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.7 AU - 3.66 AU

Year: 2114 Days

Day: 42.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 139.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,687,300 km

• M1: 122,221 km (0.092 R)

Asteroid Belt

Center: 4.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 14.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.12 AU - 5.98 AU

Year: 4874 Days

Day: 13.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,687,300 km

• M1: 183,706 km (0.104 R)
• M2: 892,501 km (0.076 R)
• M3: 1,898,995 km (0.119 R)
• M4: 2,603,302 km (0.057 R)
• M5: 3,495,803 km (0.118 R)
• M6: 4,452,631 km (0.049 R)
• M7: 6,180,337 km (0.092 R)
• M8: 7,120,859 km (0.071 R)
• M9: 8,656,930 km (0.105 R)
• M10: 9,430,650 km (0.106 R)
• M11: 11,609,543 km (0.105 R)
• M12: 12,074,194 km (0.073 R)
• M13: 13,963,914 km (0.082 R)
• M14: 14,684,377 km (0.078 R)
• M15: 18,323,046 km (0.105 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 13,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit