🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.58 AU - 0.92 AU

Year: 235 Days

Day: 37.8 Hours

Environment

Temp: 121 °C

Axial Tilt: 17.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,404,989 km

• M1: 455,974 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.76 AU - 0.82 AU

Year: 254 Days

Day: 30.5 Hours

Environment

Temp: 148 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.12 AU - 1.28 AU

Year: 475 Days

Day: 46.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.12 AU - 1.28 AU

Year: 475 Days

Day: 25.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 64,404,989 km

• M1: 319,990 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.03 AU - 1.43 AU

Year: 493 Days

Day: 15.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.23 AU - 1.67 AU

Year: 631 Days

Day: 18.9 Hours

Environment

Temp: -29 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,404,989 km

• M1: 943,364 km (0.058 R)
• M2: 998,566 km (0.034 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.54 AU - 1.84 AU

Year: 795 Days

Day: 33.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.5

Radius: 11.2

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 11.95 AU - 11.95 AU

Year: 14940 Days

Day: 11 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,404,989 km

• M1: 140,622 km (0.078 R)
• M2: 489,634 km (0.117 R)
• M3: 1,143,377 km (0.055 R)
• M4: 3,528,266 km (0.042 R)
• M5: 6,517,830 km (0.076 R)
• M6: 9,925,220 km (0.101 R)
• M7: 10,948,619 km (0.112 R)
• M8: 11,364,950 km (0.086 R)
• M9: 12,808,420 km (0.113 R)
• M10: 16,516,802 km (0.054 R)
• M11: 21,806,732 km (0.045 R)
• M12: 22,277,068 km (0.038 R)
• M13: 26,712,794 km (0.032 R)
• M14: 28,017,587 km (0.027 R)
• M15: 28,798,189 km (0.073 R)
• M16: 33,414,928 km (0.1 R)
• M17: 48,249,502 km (0.066 R)
• M18: 51,333,163 km (0.099 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 18,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit