🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.6 AU - 0.98 AU

Year: 260 Days

Day: 36.4 Hours

Environment

Temp: 179 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.73 AU - 1.17 AU

Year: 343 Days

Day: 15.4 Hours

Environment

Temp: 25 °C

Axial Tilt: 36.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 65,511,269 km

• M1: 48,470 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.82 AU - 1.28 AU

Year: 399 Days

Day: 19.3 Hours

Environment

Temp: 23 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 65,511,269 km

• M1: 132,394 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.1 AU - 1.46 AU

Year: 537 Days

Day: 27.9 Hours

Environment

Temp: -24 °C

Axial Tilt: 23.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 65,511,269 km

• M1: 108,458 km (0.114 R)
• M2: 722,408 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.18 AU - 1.48 AU

Year: 569 Days

Day: 31.2 Hours

Environment

Temp: -28 °C

Axial Tilt: 64.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.41 AU - 1.53 AU

Year: 661 Days

Day: 14.2 Hours

Environment

Temp: -48 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.1

Radius: 13.3

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.98 AU - 11.36 AU

Year: 12028 Days

Day: 14.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,511,269 km

• M1: 304,132 km (0.111 R)
• M2: 5,888,621 km (0.101 R)
• M3: 6,761,375 km (0.118 R)
• M4: 8,259,448 km (0.087 R)
• M5: 9,227,346 km (0.082 R)
• M6: 11,244,524 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.6

Radius: 7.6

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 12.62 AU - 12.92 AU

Year: 16924 Days

Day: 15.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,511,269 km

• M1: 108,608 km (0.103 R)
• M2: 352,602 km (0.116 R)
• M3: 819,946 km (0.072 R)
• M4: 1,515,277 km (0.103 R)
• M5: 2,972,061 km (0.104 R)
• M6: 4,249,926 km (0.096 R)
• M7: 6,175,699 km (0.11 R)
• M8: 6,587,243 km (0.113 R)
• M9: 8,271,565 km (0.098 R)
• M10: 8,772,120 km (0.043 R)
• M11: 14,942,883 km (0.038 R)
• M12: 16,451,727 km (0.111 R)
• M13: 22,919,291 km (0.039 R)
• M14: 28,472,215 km (0.054 R)
• M15: 29,727,341 km (0.077 R)
• M16: 32,225,177 km (0.116 R)
• M17: 35,768,851 km (0.12 R)
• M18: 38,042,290 km (0.081 R)
• M19: 38,316,054 km (0.105 R)
• M20: 61,664,242 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 11,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit