🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.58 AU - 0.92 AU

Year: 246 Days

Day: 12.8 Hours

Environment

Temp: 142 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.62 AU - 0.92 AU

Year: 256 Days

Day: 42.3 Hours

Environment

Temp: 113 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.82 AU - 1.14 AU

Year: 367 Days

Day: 37.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 56,609,988 km

• M1: 73,602 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.93 AU - 2.09 AU

Year: 1079 Days

Day: 43.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.78 AU - 3.62 AU

Year: 2168 Days

Day: 18.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.7 AU - 3.82 AU

Year: 2229 Days

Day: 47.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,609,988 km

• M1: 90,357 km (0.11 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.62 AU - 4.34 AU

Year: 2459 Days

Day: 15.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,609,988 km

• M1: 1,456,784 km (0.093 R)

Asteroid Belt

Center: 10.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 17.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.9

Radius: 6.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 15.58 AU - 19.9 AU

Year: 28300 Days

Day: 17.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,609,988 km

• M1: 87,066 km (0.084 R)
• M2: 315,502 km (0.111 R)
• M3: 1,530,835 km (0.113 R)
• M4: 1,984,565 km (0.107 R)
• M5: 2,761,277 km (0.094 R)
• M6: 3,060,623 km (0.091 R)
• M7: 4,090,903 km (0.095 R)
• M8: 4,542,839 km (0.073 R)
• M9: 6,176,447 km (0.104 R)
• M10: 6,528,750 km (0.117 R)
• M11: 8,687,597 km (0.095 R)
• M12: 11,397,114 km (0.04 R)
• M13: 16,480,001 km (0.04 R)
• M14: 21,980,565 km (0.051 R)
• M15: 31,591,929 km (0.1 R)
• M16: 38,080,587 km (0.062 R)
• M17: 43,527,445 km (0.032 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: 312 - 16,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit