🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.5 AU - 0.56 AU

Year: 142 Days

Day: 18.9 Hours

Environment

Temp: 225 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.55 AU - 0.85 AU

Year: 216 Days

Day: 19.2 Hours

Environment

Temp: 169 °C

Axial Tilt: 0.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.76 AU - 1 AU

Year: 305 Days

Day: 35.9 Hours

Environment

Temp: 76 °C

Axial Tilt: 48.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,919,257 km

• M1: 225,743 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.01 AU - 1.17 AU

Year: 420 Days

Day: 12.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 47,919,257 km

• M1: 91,255 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.12 AU - 1.52 AU

Year: 560 Days

Day: 20.4 Hours

Environment

Temp: -4 °C

Axial Tilt: 49.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 47,919,257 km

• M1: 38,297 km (0.072 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2 AU - 2.22 AU

Year: 1131 Days

Day: 26.3 Hours

Environment

Temp: -66 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.38 AU - 3.42 AU

Year: 1822 Days

Day: 32.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 14.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.6

Radius: 7.9

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 12.47 AU - 16.49 AU

Year: 20330 Days

Day: 15 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,919,257 km

• M1: 110,852 km (0.098 R)
• M2: 372,499 km (0.032 R)
• M3: 1,148,014 km (0.106 R)
• M4: 2,366,788 km (0.037 R)
• M5: 2,934,961 km (0.109 R)
• M6: 3,228,172 km (0.115 R)
• M7: 3,540,982 km (0.088 R)
• M8: 4,283,885 km (0.062 R)
• M9: 11,829,452 km (0.116 R)
• M10: 12,400,616 km (0.095 R)
• M11: 16,360,622 km (0.101 R)
• M12: 16,926,251 km (0.058 R)
• M13: 18,096,555 km (0.109 R)
• M14: 21,845,179 km (0.072 R)
• M15: 24,951,728 km (0.12 R)
• M16: 26,272,827 km (0.101 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 16,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit