🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.49 AU - 0.61 AU

Year: 148 Days

Day: 19.3 Hours

Environment

Temp: 204 °C

Axial Tilt: 8.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.2 AU - 1.24 AU

Year: 487 Days

Day: 18.8 Hours

Environment

Temp: 2 °C

Axial Tilt: 46.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.31 AU - 1.63 AU

Year: 645 Days

Day: 17.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.98 AU - 3.12 AU

Year: 1473 Days

Day: 39.4 Hours

Environment

Temp: -80 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,818,208 km

• M1: 60,438 km (0.09 R)
• M2: 141,370 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.52 AU - 3.94 AU

Year: 2605 Days

Day: 19.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.85 AU - 5.69 AU

Year: 3768 Days

Day: 12.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 16.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.1

Radius: 3.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 12.87 AU - 20.09 AU

Year: 24195 Days

Day: 20.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,818,208 km

• M1: 104,419 km (0.105 R)
• M2: 240,254 km (0.059 R)
• M3: 468,541 km (0.101 R)
• M4: 1,205,310 km (0.114 R)
• M5: 1,684,173 km (0.061 R)
• M6: 5,481,116 km (0.074 R)
• M7: 5,807,090 km (0.108 R)
• M8: 5,959,381 km (0.12 R)
• M9: 8,266,778 km (0.111 R)
• M10: 9,220,315 km (0.099 R)
• M11: 10,467,363 km (0.072 R)
• M12: 11,677,460 km (0.081 R)
• M13: 13,133,646 km (0.117 R)
• M14: 13,290,873 km (0.115 R)
• M15: 16,705,445 km (0.064 R)
• M16: 18,285,797 km (0.112 R)
• M17: 18,547,593 km (0.09 R)
• M18: 25,038,644 km (0.075 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 12,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit