🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.55 AU - 0.71 AU

Year: 188 Days

Day: 37.5 Hours

Environment

Temp: 173 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.81 AU - 0.89 AU

Year: 295 Days

Day: 12.6 Hours

Environment

Temp: 90 °C

Axial Tilt: 37 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.99 AU - 1.09 AU

Year: 400 Days

Day: 12.3 Hours

Environment

Temp: 9 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.55 AU - 2.43 AU

Year: 1058 Days

Day: 24.1 Hours

Environment

Temp: -73 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.91 AU - 2.75 AU

Year: 1340 Days

Day: 29.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,703,948 km

• M1: 212,429 km (0.074 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.5 AU - 3.42 AU

Year: 1919 Days

Day: 21.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.83 AU - 3.47 AU

Year: 2106 Days

Day: 30.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,703,948 km

• M1: 33,061 km (0.09 R)
• M2: 262,544 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.1

Radius: 11

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.56 AU - 11.52 AU

Year: 11985 Days

Day: 11.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,703,948 km

• M1: 136,732 km (0.09 R)
• M2: 549,922 km (0.055 R)
• M3: 973,284 km (0.116 R)
• M4: 1,603,540 km (0.12 R)
• M5: 1,949,709 km (0.094 R)
• M6: 2,328,790 km (0.092 R)
• M7: 2,817,078 km (0.091 R)
• M8: 3,305,215 km (0.111 R)
• M9: 3,949,982 km (0.1 R)
• M10: 5,490,092 km (0.115 R)
• M11: 6,682,088 km (0.107 R)
• M12: 8,587,367 km (0.089 R)
• M13: 9,341,639 km (0.118 R)
• M14: 13,322,438 km (0.096 R)
• M15: 18,025,945 km (0.073 R)
• M16: 18,673,405 km (0.106 R)
• M17: 19,786,862 km (0.087 R)
• M18: 20,553,251 km (0.084 R)
• M19: 25,305,527 km (0.114 R)
• M20: 30,037,008 km (0.116 R)
• M21: 41,330,900 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 12,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit