🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.49 AU - 0.73 AU

Year: 177 Days

Day: 45.1 Hours

Environment

Temp: 208 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.92 AU - 1 AU

Year: 349 Days

Day: 30.2 Hours

Environment

Temp: 40 °C

Axial Tilt: 0.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.81 AU - 1.29 AU

Year: 399 Days

Day: 17.9 Hours

Environment

Temp: 7 °C

Axial Tilt: 2.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 68,178,191 km

• M1: 60,288 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.17 AU - 1.91 AU

Year: 709 Days

Day: 19.5 Hours

Environment

Temp: -44 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.16 AU - 2.46 AU

Year: 1302 Days

Day: 24.8 Hours

Environment

Temp: -91 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.39 AU - 5.25 AU

Year: 3330 Days

Day: 13.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,178,191 km

• M1: 222,153 km (0.097 R)
• M2: 889,659 km (0.073 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.32 AU - 5.44 AU

Year: 3400 Days

Day: 40.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.21 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 16.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.3

Radius: 4.2

Gravity: 19.69 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 14.28 AU - 17.8 AU

Year: 23824 Days

Day: 18.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,178,191 km

• M1: 60,737 km (0.108 R)
• M2: 277,654 km (0.107 R)
• M3: 701,315 km (0.113 R)
• M4: 1,041,949 km (0.041 R)
• M5: 1,320,052 km (0.119 R)
• M6: 2,222,426 km (0.098 R)
• M7: 3,023,523 km (0.091 R)
• M8: 5,737,527 km (0.116 R)
• M9: 7,307,407 km (0.056 R)
• M10: 8,774,065 km (0.105 R)
• M11: 10,194,646 km (0.097 R)
• M12: 10,959,390 km (0.08 R)
• M13: 22,725,413 km (0.096 R)
• M14: 23,519,777 km (0.106 R)
• M15: 27,546,802 km (0.079 R)
• M16: 29,023,483 km (0.114 R)
• M17: 34,153,792 km (0.083 R)
• M18: 47,114,054 km (0.111 R)
• M19: 52,412,212 km (0.103 R)
• M20: 60,892,616 km (0.098 R)
• M21: 62,228,974 km (0.072 R)
• M22: 62,614,338 km (0.05 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: 246 - 14,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit